{"id":68351,"date":"2024-05-15T08:46:36","date_gmt":"2024-05-15T01:46:36","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=68351"},"modified":"2024-05-15T08:46:36","modified_gmt":"2024-05-15T01:46:36","slug":"golang-co-ban","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/golang-co-ban\/","title":{"rendered":"10+ kh\u00e1i ni\u1ec7m v\u00e0 c\u00fa ph\u00e1p Golang c\u01a1 b\u1ea3n"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung b\u00e0i vi\u1ebft<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/itviec.com\/blog\/golang-co-ban\/#Golang_co_ban_la_gi\" >Golang c\u01a1 b\u1ea3n l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/itviec.com\/blog\/golang-co-ban\/#Cac_khai_niem_Golang_co_ban\" >C\u00e1c kh\u00e1i ni\u1ec7m Golang c\u01a1 b\u1ea3n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/itviec.com\/blog\/golang-co-ban\/#Cac_cau_hoi_thuong_gap_ve_Golang_co_ban\" >C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Golang c\u01a1 b\u1ea3n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/itviec.com\/blog\/golang-co-ban\/#Ket_luan_Golang_co_ban\" >K\u1ebft lu\u1eadn Golang c\u01a1 b\u1ea3n<\/a><\/li><\/ul><\/nav><\/div>\n<p><em><strong>Golang l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef m\u1edbi m\u1ebb, hi\u1ec7u qu\u1ea3 m\u00e0 \u0111\u01a1n gi\u1ea3n, sau khi h\u1ecdc c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c thu nh\u1eadp r\u1ea5t cao so v\u1edbi th\u1ecb tr\u01b0\u1eddng c\u00f4ng ngh\u1ec7 th\u00f4ng tin. Golang \u0111\u1eb7c bi\u1ec7t m\u1ea1nh m\u1ebd trong l\u0129nh v\u1ef1c ph\u00e1t tri\u1ec3n web v\u00e0 v\u1eadn h\u00e0nh c\u00e1c \u1ee9ng d\u1ee5ng ph\u00eda m\u00e1y ch\u1ee7 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, nh\u1eefng y\u1ebfu t\u1ed1 \u0111ang \u0111\u01b0\u1ee3c s\u0103n t\u00ecm b\u1edfi c\u00e1c d\u1ef1 \u00e1n &#8220;tri\u1ec7u \u0111\u00f4&#8221;. Ngo\u00e0i ra, Go c\u0169ng \u0111ang \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng trong l\u0129nh v\u1ef1c blockchain, m\u1ed9t l\u0129nh v\u1ef1c \u0111ang t\u1eebng ng\u00e0y thay \u0111\u1ed5i c\u1ea3 ng\u00e0nh t\u00e0i ch\u00ednh th\u1ebf gi\u1edbi. <\/strong><\/em><em><strong>B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn cho nh\u1eefng b\u1ea1n ho\u00e0n to\u00e0n m\u1edbi v\u1edbi ng\u00e0nh c\u00f4ng ngh\u1ec7 th\u00f4ng tin v\u00e0 ch\u01b0a c\u00f3 nhi\u1ec1u ki\u1ebfn th\u1ee9c v\u1ec1 l\u1eadp tr\u00ecnh mu\u1ed1n h\u1ecdc Golang c\u01a1 b\u1ea3n.\u00a0<\/strong><\/em><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u0110\u1ecdc b\u00e0i vi\u1ebft \u0111\u1ec3 hi\u1ec3u r\u00f5:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Golang c\u01a1 b\u1ea3n l\u00e0 g\u00ec?\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c thu\u1eadt ng\u1eef Golang c\u01a1 b\u1ea3n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00fa ph\u00e1p c\u01a1 b\u1ea3n c\u1ee7a Golang<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Golang<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Golang_co_ban_la_gi\"><\/span><b>Golang c\u01a1 b\u1ea3n l\u00e0 g\u00ec?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Tr\u01b0\u1edbc khi hi\u1ec3u \u0111\u01b0\u1ee3c Golang c\u01a1 b\u1ea3n l\u00e0 g\u00ec, h\u00e3y c\u00f9ng xem qua kh\u00e1i ni\u1ec7m v\u1ec1 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh:\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c ch\u1ec9 th\u1ecb nh\u1eb1m t\u1ea1o ra c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh cho ph\u00e9p m\u00e1y t\u00ednh th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 c\u1ee5 th\u1ec3. Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh g\u1ed3m hai lo\u1ea1i, m\u1ed7i ng\u00f4n ng\u1eef c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c lo\u1ea1i t\u00e1c v\u1ee5 v\u00e0 ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ng\u00f4n ng\u1eef c\u1ea5p cao, g\u1ea7n v\u1edbi ng\u00f4n ng\u1eef con ng\u01b0\u1eddi, v\u00ed d\u1ee5: Python, <a href=\"https:\/\/itviec.com\/blog\/javascript-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>JavaScript<\/strong><\/a>.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ng\u00f4n ng\u1eef c\u1ea5p th\u1ea5p, g\u1ea7n v\u1edbi ng\u00f4n ng\u1eef m\u00e1y, v\u00ed d\u1ee5: Golang, <a href=\"https:\/\/itviec.com\/blog\/cpp-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>C++<\/strong><\/a>.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Golang (hay Go) l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi c\u00e1c k\u1ef9 s\u01b0 c\u1ee7a Google, nh\u1eb1m \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a vi\u1ec7c ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m hi\u1ec7n \u0111\u1ea1i. Golang nh\u1ea5n m\u1ea1nh s\u1ef1 \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3, tr\u1edf th\u00e0nh s\u1ef1 l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi cho m\u1ecdi th\u1ee9 t\u1eeb l\u1eadp tr\u00ecnh microservices \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n quy m\u00f4 l\u1edbn.<\/span><\/p>\n<blockquote><p><em>\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/itviec.com\/blog\/golang-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>Golang l\u00e0 g\u00ec? T\u1ea1i sao n\u00ean h\u1ecdc Golang 2024?<\/strong><\/a><\/em><\/p><\/blockquote>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 Golang, b\u1ea1n h\u00e3y d\u00f9ng <\/span><a href=\"https:\/\/www.w3schools.com\/go\/go_getting_started.php\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">c\u00f4ng c\u1ee5 ch\u1ea1y Golang<\/span><\/a><span style=\"font-weight: 400;\"> \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t s\u1eb5n c\u1ee7a w3schools. <\/span><span style=\"font-weight: 400;\">Sau khi \u0111\u00e3 n\u1eafm r\u00f5 Golang c\u01a1 b\u1ea3n l\u00e0 g\u00ec, b\u1ea1n c\u00f3 th\u1ec3 xem ti\u1ebfp c\u00e1c n\u1ed9i dung d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 t\u00ecm hi\u1ec3u chi ti\u1ebft v\u1ec1 Golang.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac_khai_niem_Golang_co_ban\"><\/span><b>C\u00e1c kh\u00e1i ni\u1ec7m Golang c\u01a1 b\u1ea3n<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b>Hello World<\/b><\/h3>\n<p>&#8220;Hello world&#8221; l\u00e0 c\u00e1ch ch\u1ea1y 1 \u0111o\u1ea1n ch\u01b0\u01a1ng tr\u00ecnh \u0111\u1ec3 in ra t\u1eeb &#8220;Hello World&#8221; tr\u00ean m\u00e0n h\u00ecnh. Khi b\u1eaft \u0111\u1ea7u v\u1edbi b\u1ea5t c\u1ee9 ng\u00f4n ng\u1eef m\u1edbi n\u00e0o, ng\u01b0\u1eddi h\u1ecdc \u0111\u1ec1u th\u1ef1c h\u00e0nh v\u1edbi thao t\u00e1c n\u00e0y. <span style=\"font-weight: 400;\">H\u00e3y xem x\u00e9t \u0111o\u1ea1n m\u00e3 sau:<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">package main<\/span>\r\n<span style=\"font-weight: 400;\">import<\/span><span style=\"font-weight: 400;\"> (<\/span><span style=\"font-weight: 400;\">\"fmt\"<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n\r\n<span style=\"font-weight: 400;\">func main() {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(<\/span><span style=\"font-weight: 400;\">\"Hello World!\"<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span><\/pre>\n<p><span style=\"font-weight: 400;\">Theo v\u00ed d\u1ee5 tr\u00ean, m\u1ed9t t\u1ec7p Go bao g\u1ed3m c\u00e1c ph\u1ea7n c\u01a1 b\u1ea3n sau:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Khai b\u00e1o package<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Import package v\u00e0o t\u1ec7p<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c h\u00e0m (func)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c c\u00e2u l\u1ec7nh v\u00e0 bi\u1ec3u th\u1ee9c<\/span><\/li>\n<\/ul>\n<h3><b>Ch\u00fa th\u00edch<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Ch\u00fa th\u00edch m\u1ed9t d\u00f2ng trong Go:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u00fa th\u00edch m\u1ed9t d\u00f2ng b\u1eaft \u0111\u1ea7u v\u1edbi hai d\u1ea5u g\u1ea1ch ch\u00e9o (\/\/).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u1ea5t k\u1ef3 v\u0103n b\u1ea3n n\u00e0o n\u1eb1m gi\u1eefa \/\/ v\u00e0 cu\u1ed1i d\u00f2ng s\u1ebd b\u1ecb tr\u00ecnh bi\u00ean d\u1ecbch b\u1ecf qua (kh\u00f4ng \u0111\u01b0\u1ee3c th\u1ef1c thi).<\/span><\/li>\n<\/ul>\n<pre><span style=\"font-weight: 400;\">\/\/ \u0110\u00e2y l\u00e0 m\u1ed9t comment<\/span>\r\n<span style=\"font-weight: 400;\">package main<\/span>\r\n<span style=\"font-weight: 400;\">import<\/span><span style=\"font-weight: 400;\"> (<\/span><span style=\"font-weight: 400;\">\"fmt\"<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n\r\n<span style=\"font-weight: 400;\">func main() {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \/\/ day la 1 comment<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(<\/span><span style=\"font-weight: 400;\">\"Hello World!\"<\/span><span style=\"font-weight: 400;\">)\u00a0 \/\/ \u0110\u00e2y l\u00e0 m\u1ed9t comment<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span><\/pre>\n<p><span style=\"font-weight: 400;\">Ch\u00fa th\u00edch nhi\u1ec1u d\u00f2ng trong Go:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u00fa th\u00edch nhi\u1ec1u d\u00f2ng b\u1eaft \u0111\u1ea7u v\u1edbi \/* v\u00e0 k\u1ebft th\u00fac v\u1edbi *\/.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u1ea5t k\u1ef3 v\u0103n b\u1ea3n n\u00e0o n\u1eb1m gi\u1eefa \/* v\u00e0 *\/ s\u1ebd b\u1ecb tr\u00ecnh bi\u00ean d\u1ecbch b\u1ecf qua.<\/span><\/li>\n<\/ul>\n<pre><span style=\"font-weight: 400;\">package main<\/span>\r\n<span style=\"font-weight: 400;\">import<\/span><span style=\"font-weight: 400;\"> (<\/span><span style=\"font-weight: 400;\">\"fmt\"<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n\r\n<span style=\"font-weight: 400;\">func main() {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \/* The code below will <\/span><span style=\"font-weight: 400;\">print<\/span><span style=\"font-weight: 400;\"> Hello World<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 to the screen, <\/span><span style=\"font-weight: 400;\">and<\/span><span style=\"font-weight: 400;\"> it <\/span><span style=\"font-weight: 400;\">is<\/span><span style=\"font-weight: 400;\"> amazing *\/<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(<\/span><span style=\"font-weight: 400;\">\"Hello World!\"<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span><\/pre>\n<h3><b>Bi\u1ebfn<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Trong Go, c\u00f3 nhi\u1ec1u lo\u1ea1i bi\u1ebfn kh\u00e1c nhau, v\u00ed d\u1ee5:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>int<\/strong> &#8211; l\u01b0u tr\u1eef s\u1ed1 nguy\u00ean (s\u1ed1 to\u00e0n ph\u1ea7n), nh\u01b0 123 ho\u1eb7c -123<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>float32<\/strong> &#8211; l\u01b0u tr\u1eef s\u1ed1 th\u1ef1c v\u1edbi ph\u1ea7n th\u1eadp ph\u00e2n, nh\u01b0 19.99 ho\u1eb7c -19.99<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>string<\/strong> &#8211; l\u01b0u tr\u1eef v\u0103n b\u1ea3n, nh\u01b0 &#8220;Hello World&#8221;. Gi\u00e1 tr\u1ecb chu\u1ed7i \u0111\u01b0\u1ee3c bao quanh b\u1edfi d\u1ea5u ngo\u1eb7c k\u00e9p<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>bool<\/strong> &#8211; l\u01b0u tr\u1eef gi\u00e1 tr\u1ecb v\u1edbi hai tr\u1ea1ng th\u00e1i: true ho\u1eb7c false<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Trong Go, c\u00f3 hai c\u00e1ch \u0111\u1ec3 khai b\u00e1o bi\u1ebfn:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1eeb kh\u00f3a <strong>var<\/strong><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u1edbi d\u1ea5u<strong> :=<\/strong><\/span><\/li>\n<\/ul>\n<pre><span style=\"font-weight: 400;\">package main<\/span>\r\n<span style=\"font-weight: 400;\">import<\/span><span style=\"font-weight: 400;\"> (<\/span><span style=\"font-weight: 400;\">\"fmt\"<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n\r\n<span style=\"font-weight: 400;\">func main() {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 var student1 string = <\/span><span style=\"font-weight: 400;\">\"John\"<\/span><span style=\"font-weight: 400;\"> \/\/type <\/span><span style=\"font-weight: 400;\">is<\/span><span style=\"font-weight: 400;\"> string<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 var student2 = <\/span><span style=\"font-weight: 400;\">\"Jane\"<\/span><span style=\"font-weight: 400;\"> \/\/type <\/span><span style=\"font-weight: 400;\">is<\/span><span style=\"font-weight: 400;\"> inferred<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 x := <\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\"> \/\/type <\/span><span style=\"font-weight: 400;\">is<\/span><span style=\"font-weight: 400;\"> inferred<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(student1)<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(student2)<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(x)<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span><\/pre>\n<h3><b>H\u1eb1ng s\u1ed1<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">N\u1ebfu m\u1ed9t bi\u1ebfn c\u1ea7n c\u00f3 gi\u00e1 tr\u1ecb c\u1ed1 \u0111\u1ecbnh kh\u00f4ng thay \u0111\u1ed5i \u0111\u01b0\u1ee3c, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng t\u1eeb kh\u00f3a <strong>const<\/strong> \u0111\u1ec3 khai b\u00e1o.<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">package main<\/span>\r\n<span style=\"font-weight: 400;\">import<\/span><span style=\"font-weight: 400;\"> (<\/span><span style=\"font-weight: 400;\">\"fmt\"<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n\r\n<span style=\"font-weight: 400;\">const PI = <\/span><span style=\"font-weight: 400;\">3.14<\/span>\r\n\r\n<span style=\"font-weight: 400;\">func main() {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(PI)<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span><\/pre>\n<h3><b>M\u1ea3ng (Array)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">M\u1ea3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0u tr\u1eef nhi\u1ec1u gi\u00e1 tr\u1ecb c\u00f9ng m\u1ed9t ki\u1ec3u trong m\u1ed9t bi\u1ebfn duy nh\u1ea5t, thay v\u00ec khai b\u00e1o ri\u00eang l\u1ebb c\u00e1c bi\u1ebfn cho m\u1ed7i gi\u00e1 tr\u1ecb.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Trong Golang, c\u00f3 hai c\u00e1ch \u0111\u1ec3 khai b\u00e1o M\u1ea3ng gi\u1ed1ng v\u1edbi khai b\u00e1o bi\u1ebfn:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1eeb kh\u00f3a <strong>var<\/strong><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u1edbi d\u1ea5u <strong>:=<\/strong><\/span><\/li>\n<\/ul>\n<pre><span style=\"font-weight: 400;\">package main<\/span>\r\n<span style=\"font-weight: 400;\">import<\/span><span style=\"font-weight: 400;\"> (<\/span><span style=\"font-weight: 400;\">\"fmt\"<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n\r\n<span style=\"font-weight: 400;\">func main() {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 var arr1 = [<\/span><span style=\"font-weight: 400;\">3<\/span><span style=\"font-weight: 400;\">]int{<\/span><span style=\"font-weight: 400;\">1<\/span><span style=\"font-weight: 400;\">,<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">,<\/span><span style=\"font-weight: 400;\">3<\/span><span style=\"font-weight: 400;\">}<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 arr2 := [<\/span><span style=\"font-weight: 400;\">5<\/span><span style=\"font-weight: 400;\">]int{<\/span><span style=\"font-weight: 400;\">4<\/span><span style=\"font-weight: 400;\">,<\/span><span style=\"font-weight: 400;\">5<\/span><span style=\"font-weight: 400;\">,<\/span><span style=\"font-weight: 400;\">6<\/span><span style=\"font-weight: 400;\">,<\/span><span style=\"font-weight: 400;\">7<\/span><span style=\"font-weight: 400;\">,<\/span><span style=\"font-weight: 400;\">8<\/span><span style=\"font-weight: 400;\">}<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(arr1)<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(arr2)<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span><\/pre>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c<span style=\"font-weight: 400;\">\u00e1c thao t\u00e1c c\u01a1 b\u1ea3n v\u1edbi M\u1ea3ng:\u00a0<\/span><\/p>\n<ul>\n<li aria-level=\"1\"><b>Truy c\u1eadp ph\u1ea7n t\u1eed<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">B\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp m\u1ed9t ph\u1ea7n t\u1eed m\u1ea3ng c\u1ee5 th\u1ec3 b\u1eb1ng c\u00e1ch tham chi\u1ebfu \u0111\u1ebfn s\u1ed1 ch\u1ec9 m\u1ee5c. Trong Go, ch\u1ec9 m\u1ee5c m\u1ea3ng b\u1eaft \u0111\u1ea7u t\u1eeb 0. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 [0] l\u00e0 ph\u1ea7n t\u1eed \u0111\u1ea7u ti\u00ean, [1] l\u00e0 ph\u1ea7n t\u1eed th\u1ee9 hai, v.v.<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">package main<\/span>\r\n<span style=\"font-weight: 400;\">import<\/span><span style=\"font-weight: 400;\"> (<\/span><span style=\"font-weight: 400;\">\"fmt\"<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n\r\n<span style=\"font-weight: 400;\">func main() {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 prices := [<\/span><span style=\"font-weight: 400;\">3<\/span><span style=\"font-weight: 400;\">]int{<\/span><span style=\"font-weight: 400;\">10<\/span><span style=\"font-weight: 400;\">,<\/span><span style=\"font-weight: 400;\">20<\/span><span style=\"font-weight: 400;\">,<\/span><span style=\"font-weight: 400;\">30<\/span><span style=\"font-weight: 400;\">}<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(prices[<\/span><span style=\"font-weight: 400;\">0<\/span><span style=\"font-weight: 400;\">])<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(prices[<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">])<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span><\/pre>\n<ul>\n<li><b>Thay \u0111\u1ed5i ph\u1ea7n t\u1eed c\u1ee7a M\u1ea3ng<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i gi\u00e1 tr\u1ecb c\u1ee7a m\u1ed9t ph\u1ea7n t\u1eed m\u1ea3ng c\u1ee5 th\u1ec3 b\u1eb1ng c\u00e1ch tham chi\u1ebfu \u0111\u1ebfn s\u1ed1 ch\u1ec9 m\u1ee5c.<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">package main<\/span>\r\n<span style=\"font-weight: 400;\">import<\/span><span style=\"font-weight: 400;\"> (<\/span><span style=\"font-weight: 400;\">\"fmt\"<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n\r\n<span style=\"font-weight: 400;\">func main() {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 prices := [<\/span><span style=\"font-weight: 400;\">3<\/span><span style=\"font-weight: 400;\">]int{<\/span><span style=\"font-weight: 400;\">10<\/span><span style=\"font-weight: 400;\">,<\/span><span style=\"font-weight: 400;\">20<\/span><span style=\"font-weight: 400;\">,<\/span><span style=\"font-weight: 400;\">30<\/span><span style=\"font-weight: 400;\">}<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\u00a0 prices[<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">] = <\/span><span style=\"font-weight: 400;\">50<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(prices)<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span><\/pre>\n<ul>\n<li><b>Kh\u1edfi t\u1ea1o M\u1ea3ng<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">N\u1ebfu m\u1ed9t m\u1ea3ng ho\u1eb7c m\u1ed9t trong c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a n\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c kh\u1edfi t\u1ea1o trong code, n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c g\u00e1n gi\u00e1 tr\u1ecb m\u1eb7c \u0111\u1ecbnh c\u1ee7a ki\u1ec3u d\u1eef li\u1ec7u \u0111\u00f3. M\u1eb9o nh\u1ecf: Gi\u00e1 tr\u1ecb m\u1eb7c \u0111\u1ecbnh cho ki\u1ec3u <strong>int<\/strong> l\u00e0 0, v\u00e0 gi\u00e1 tr\u1ecb m\u1eb7c \u0111\u1ecbnh cho ki\u1ec3u <strong>string<\/strong> l\u00e0 &#8220;&#8221;.<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">package main<\/span>\r\n<span style=\"font-weight: 400;\">import<\/span><span style=\"font-weight: 400;\"> (<\/span><span style=\"font-weight: 400;\">\"fmt\"<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n\r\n<span style=\"font-weight: 400;\">func main() {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 arr1 := [<\/span><span style=\"font-weight: 400;\">5<\/span><span style=\"font-weight: 400;\">]int{} \/\/<\/span><span style=\"font-weight: 400;\">not<\/span><span style=\"font-weight: 400;\"> initialized<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 arr2 := [<\/span><span style=\"font-weight: 400;\">5<\/span><span style=\"font-weight: 400;\">]int{<\/span><span style=\"font-weight: 400;\">1<\/span><span style=\"font-weight: 400;\">,<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">} \/\/partially initialized<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 arr3 := [<\/span><span style=\"font-weight: 400;\">5<\/span><span style=\"font-weight: 400;\">]int{<\/span><span style=\"font-weight: 400;\">1<\/span><span style=\"font-weight: 400;\">,<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">,<\/span><span style=\"font-weight: 400;\">3<\/span><span style=\"font-weight: 400;\">,<\/span><span style=\"font-weight: 400;\">4<\/span><span style=\"font-weight: 400;\">,<\/span><span style=\"font-weight: 400;\">5<\/span><span style=\"font-weight: 400;\">} \/\/fully initialized<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(arr1)<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(arr2)<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(arr3)<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span><\/pre>\n<h3><b>M\u1ea3ng \u0111\u1ed9ng (Slice)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">M\u1ea3ng \u0111\u1ed9ng trong Go r\u1ea5t gi\u1ed1ng v\u1edbi m\u1ea3ng nh\u01b0ng ch\u00fang linh ho\u1ea1t v\u00e0 m\u1ea1nh m\u1ebd h\u01a1n. Gi\u1ed1ng nh\u01b0 m\u1ea3ng, m\u1ea3ng \u0111\u1ed9ng c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0u tr\u1eef nhi\u1ec1u gi\u00e1 tr\u1ecb c\u00f9ng m\u1ed9t ki\u1ec3u trong m\u1ed9t bi\u1ebfn \u0111\u01a1n l\u1ebb. Tuy nhi\u00ean, kh\u00e1c v\u1edbi m\u1ea3ng, chi\u1ec1u d\u00e0i c\u1ee7a m\u1ea3ng \u0111\u1ed9ng c\u00f3 th\u1ec3 t\u0103ng ho\u1eb7c gi\u1ea3m t\u00f9y \u00fd.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Trong Go, c\u00f3 m\u1ed9t s\u1ed1 c\u00e1ch \u0111\u1ec3 t\u1ea1o m\u1ed9t m\u1ea3ng \u0111\u1ed9ng:<\/span><\/p>\n<h4><strong>C\u00e1ch 1: S\u1eed d\u1ee5ng \u0111\u1ecbnh d\u1ea1ng []kieu_du_lieu{gia_tri}<\/strong><\/h4>\n<p><span style=\"font-weight: 400;\">B\u1ea1n c\u00f3 th\u1ec3 tr\u1ef1c ti\u1ebfp kh\u1edfi t\u1ea1o m\u1ea3ng \u0111\u1ed9ng v\u1edbi c\u00e1c gi\u00e1 tr\u1ecb c\u1ee5 th\u1ec3, m\u00e0 kh\u00f4ng c\u1ea7n x\u00e1c \u0111\u1ecbnh chi\u1ec1u d\u00e0i, v\u00ec chi\u1ec1u d\u00e0i s\u1ebd \u0111\u01b0\u1ee3c suy lu\u1eadn t\u1eeb c\u00e1c gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c cung c\u1ea5p.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5:<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">package main<\/span>\r\n<span style=\"font-weight: 400;\">import<\/span><span style=\"font-weight: 400;\"> (<\/span><span style=\"font-weight: 400;\">\"fmt\"<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n\r\n<span style=\"font-weight: 400;\">func main() {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 myslice1 := []int{}<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(len(myslice1))<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(cap(myslice1))<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(myslice1)<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\u00a0 myslice2 := []string{<\/span><span style=\"font-weight: 400;\">\"Go\"<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">\"Slices\"<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">\"Are\"<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">\"Powerful\"<\/span><span style=\"font-weight: 400;\">}<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(len(myslice2))<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(cap(myslice2))<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(myslice2)<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span><\/pre>\n<h4><strong>C\u00e1ch 2: T\u1ea1o m\u1ea3ng \u0111\u1ed9ng t\u1eeb m\u1ed9t m\u1ea3ng<\/strong><\/h4>\n<p><span style=\"font-weight: 400;\">B\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o m\u1ed9t m\u1ea3ng \u0111\u1ed9ng t\u1eeb m\u1ed9t m\u1ea3ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00fa ph\u00e1p c\u1eaft. C\u00fa ph\u00e1p n\u00e0y cho ph\u00e9p b\u1ea1n ch\u1ec9 \u0111\u1ecbnh kho\u1ea3ng c\u1ee7a m\u1ea3ng m\u00e0 b\u1ea1n mu\u1ed1n t\u1ea1o th\u00e0nh m\u1ea3ng \u0111\u1ed9ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5:<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">package main<\/span>\r\n<span style=\"font-weight: 400;\">import<\/span><span style=\"font-weight: 400;\"> (<\/span><span style=\"font-weight: 400;\">\"fmt\"<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n\r\n<span style=\"font-weight: 400;\">func main() {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 arr1 := [<\/span><span style=\"font-weight: 400;\">6<\/span><span style=\"font-weight: 400;\">]int{<\/span><span style=\"font-weight: 400;\">10<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">11<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">12<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">13<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">14<\/span><span style=\"font-weight: 400;\">,<\/span><span style=\"font-weight: 400;\">15<\/span><span style=\"font-weight: 400;\">}<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 myslice := arr1[<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">:<\/span><span style=\"font-weight: 400;\">4<\/span><span style=\"font-weight: 400;\">]<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Printf(<\/span><span style=\"font-weight: 400;\">\"myslice = %v\\n\"<\/span><span style=\"font-weight: 400;\">, myslice)<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Printf(<\/span><span style=\"font-weight: 400;\">\"length = %d\\n\"<\/span><span style=\"font-weight: 400;\">, len(myslice))<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Printf(<\/span><span style=\"font-weight: 400;\">\"capacity = %d\\n\"<\/span><span style=\"font-weight: 400;\">, cap(myslice))<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span><\/pre>\n<h4><strong>C\u00e1ch 3: S\u1eed d\u1ee5ng h\u00e0m make()<\/strong><\/h4>\n<p><span style=\"font-weight: 400;\">H\u00e0m make() \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 kh\u1edfi t\u1ea1o m\u1ea3ng \u0111\u1ed9ng, n\u01a1i b\u1ea1n c\u00f3 th\u1ec3 ch\u1ec9 \u0111\u1ecbnh ki\u1ec3u d\u1eef li\u1ec7u, chi\u1ec1u d\u00e0i ban \u0111\u1ea7u, v\u00e0 dung l\u01b0\u1ee3ng t\u1ed1i \u0111a (kh\u00f4ng b\u1eaft bu\u1ed9c).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5:<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">package main<\/span>\r\n<span style=\"font-weight: 400;\">import<\/span><span style=\"font-weight: 400;\"> (<\/span><span style=\"font-weight: 400;\">\"fmt\"<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n\r\n<span style=\"font-weight: 400;\">func main() {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 myslice1 := make([]int, <\/span><span style=\"font-weight: 400;\">5<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">10<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Printf(<\/span><span style=\"font-weight: 400;\">\"myslice1 = %v\\n\"<\/span><span style=\"font-weight: 400;\">, myslice1)<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Printf(<\/span><span style=\"font-weight: 400;\">\"length = %d\\n\"<\/span><span style=\"font-weight: 400;\">, len(myslice1))<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Printf(<\/span><span style=\"font-weight: 400;\">\"capacity = %d\\n\"<\/span><span style=\"font-weight: 400;\">, cap(myslice1))<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\u00a0 \/\/ <\/span><span style=\"font-weight: 400;\">with<\/span><span style=\"font-weight: 400;\"> omitted capacity<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 myslice2 := make([]int, <\/span><span style=\"font-weight: 400;\">5<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Printf(<\/span><span style=\"font-weight: 400;\">\"myslice2 = %v\\n\"<\/span><span style=\"font-weight: 400;\">, myslice2)<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Printf(<\/span><span style=\"font-weight: 400;\">\"length = %d\\n\"<\/span><span style=\"font-weight: 400;\">, len(myslice2))<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Printf(<\/span><span style=\"font-weight: 400;\">\"capacity = %d\\n\"<\/span><span style=\"font-weight: 400;\">, cap(myslice2))<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span><\/pre>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra c\u00f2n c\u00f3 c\u00e1c thao t\u00e1c sau \u0111\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u1ea3ng \u0111\u1ed9ng (t\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1edbi m\u1ea3ng) m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u th\u00eam:\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Truy c\u1eadp ph\u1ea7n t\u1eed\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thay \u0111\u1ed5i ph\u1ea7n t\u1eed<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u00eam ph\u1ea7n t\u1eed<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u00eam m\u1ea3ng \u0111\u1ed9ng v\u00e0o m\u1ea3ng \u0111\u1ed9ng\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thay \u0111\u1ed5i chi\u1ec1u d\u00e0i c\u1ee7a m\u1ea3ng \u0111\u1ed9ng<\/span><\/li>\n<\/ul>\n<h3><b>To\u00e1n t\u1eed<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c lo\u1ea1i to\u00e1n t\u1eed trong Golang c\u01a1 b\u1ea3n:<\/span><\/p>\n<ul>\n<li><b>To\u00e1n t\u1eed s\u1ed1 h\u1ecdc<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00e1c to\u00e1n t\u1eed s\u1ed1 h\u1ecdc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p to\u00e1n to\u00e1n h\u1ecdc ph\u1ed5 bi\u1ebfn.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p style=\"text-align: left;\"><strong>To\u00e1n t\u1eed<\/strong><\/p>\n<\/td>\n<td style=\"text-align: left;\"><strong>T\u00ean<\/strong><\/td>\n<td style=\"text-align: left;\"><strong>M\u00f4 t\u1ea3<\/strong><\/td>\n<td style=\"text-align: left;\"><strong>V\u00ed d\u1ee5<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">+<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">C\u1ed9ng<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">C\u1ed9ng hai gi\u00e1 tr\u1ecb l\u1ea1i v\u1edbi nhau<\/span><\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">x + y<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211;<\/span><\/p>\n<\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Tr\u1eeb<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Tr\u1eeb m\u1ed9t gi\u00e1 tr\u1ecb kh\u1ecfi gi\u00e1 tr\u1ecb kh\u00e1c<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x &#8211; y<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">*<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Nh\u00e2n<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Nh\u00e2n hai gi\u00e1 tr\u1ecb v\u1edbi nhau<\/span><\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">x * y<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">\/<\/span><\/p>\n<\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Chia<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Chia m\u1ed9t gi\u00e1 tr\u1ecb cho gi\u00e1 tr\u1ecb kh\u00e1c<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x \/ y<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">%<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Chia l\u1ea5y d\u01b0<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Tr\u1ea3 v\u1ec1 ph\u1ea7n d\u01b0 c\u1ee7a ph\u00e9p chia<\/span><\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">x % y<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">++<\/span><\/p>\n<\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">T\u0103ng m\u1ed9t \u0111\u01a1n v\u1ecb<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">T\u0103ng gi\u00e1 tr\u1ecb c\u1ee7a m\u1ed9t bi\u1ebfn l\u00ean 1<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x++<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8212;<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Gi\u1ea3m m\u1ed9t \u0111\u01a1n v\u1ecb<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Gi\u1ea3m gi\u00e1 tr\u1ecb c\u1ee7a m\u1ed9t bi\u1ebfn \u0111i 1<\/span><\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">x&#8211;<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li><b>To\u00e1n t\u1eed g\u00e1n<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00e1c to\u00e1n t\u1eed g\u00e1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 so s\u00e1nh hai gi\u00e1 tr\u1ecb, th\u01b0\u1eddng l\u00e0 trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n logic \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh d\u00f2ng ch\u1ea3y c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p style=\"text-align: left;\"><strong>To\u00e1n t\u1eed<\/strong><\/p>\n<\/td>\n<td style=\"text-align: left;\"><strong>V\u00ed d\u1ee5<\/strong><\/td>\n<td>\n<p style=\"text-align: left;\"><strong>T\u01b0\u01a1ng \u0111\u01b0\u01a1ng<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">=<\/span><\/p>\n<\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x = 5<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x = 5<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">+=<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x += 3<\/span><\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">x = x + 3<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">-=<\/span><\/p>\n<\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x -= 3<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x = x &#8211; 3<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">*=<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x *= 3<\/span><\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">x = x * 3<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">\/=<\/span><\/p>\n<\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x \/= 3<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x = x \/ 3<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">%=<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x %= 3<\/span><\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">x = x % 3<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&amp;=<\/span><\/p>\n<\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x &amp;= 3<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x = x &amp; 3<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">|=<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x |= 3<\/span><\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">x = x | 3<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">^=<\/span><\/p>\n<\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x ^= 3<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x = x ^ 3<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">&gt;&gt;=<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x &gt;&gt;= 3<\/span><\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">x = x &gt;&gt; 3<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&lt;&lt;=<\/span><\/p>\n<\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x &lt;&lt;= 3<\/span><\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">x = x &lt;&lt; 3<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li><b>To\u00e1n t\u1eed so s\u00e1nh\u00a0<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00e1c to\u00e1n t\u1eed so s\u00e1nh d\u00f9ng \u0111\u1ec3 so s\u00e1nh hai gi\u00e1 tr\u1ecb.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p style=\"text-align: left;\"><strong>To\u00e1n t\u1eed<\/strong><\/p>\n<\/td>\n<td style=\"text-align: left;\"><strong>T\u00ean<\/strong><\/td>\n<td style=\"text-align: left;\"><strong>V\u00ed d\u1ee5<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">==<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">B\u1eb1ng v\u1edbi<\/span><\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">x == y<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">!=<\/span><\/p>\n<\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Kh\u00f4ng b\u1eb1ng<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x != y<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">&gt;<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">L\u1edbn h\u01a1n<\/span><\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">x &gt; y<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&lt;<\/span><\/p>\n<\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Nh\u1ecf h\u01a1n<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x &lt; y<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">&gt;=<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">L\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng<\/span><\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">x &gt;= y<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&lt;=<\/span><\/p>\n<\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x &lt;= y<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li><b>To\u00e1n t\u1eed logic<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00e1c to\u00e1n t\u1eed logic \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft h\u1ee3p c\u00e1c bi\u1ec3u th\u1ee9c Boolean. Ch\u00fang r\u1ea5t h\u1eefu \u00edch trong vi\u1ec7c x\u00e2y d\u1ef1ng c\u00e1c \u0111i\u1ec1u ki\u1ec7n ph\u1ee9c t\u1ea1p trong l\u1eadp tr\u00ecnh.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p style=\"text-align: left;\"><strong>To\u00e1n t\u1eed<\/strong><\/p>\n<\/td>\n<td style=\"text-align: left;\"><strong>T\u00ean<\/strong><\/td>\n<td style=\"text-align: left;\"><strong>M\u00f4 t\u1ea3<\/strong><\/td>\n<td style=\"text-align: left;\"><strong>V\u00ed d\u1ee5<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">&amp;&amp;<\/td>\n<td style=\"text-align: left;\">Logical AND<\/td>\n<td style=\"text-align: left;\">Tr\u1ea3 v\u1ec1 true n\u1ebfu c\u1ea3 hai bi\u1ec3u th\u1ee9c \u0111\u1ec1u \u0111\u00fang<\/td>\n<td>\n<p style=\"text-align: left;\">x &lt; 5 &amp;&amp; x &lt; 10<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: left;\">||<\/p>\n<\/td>\n<td style=\"text-align: left;\">Logical OR<\/td>\n<td style=\"text-align: left;\">Tr\u1ea3 v\u1ec1 true n\u1ebfu m\u1ed9t trong hai bi\u1ec3u th\u1ee9c \u0111\u00fang<\/td>\n<td style=\"text-align: left;\">x &lt; 5 || x &lt; 4<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">!<\/td>\n<td style=\"text-align: left;\">Logical NOT<\/td>\n<td style=\"text-align: left;\">\u0110\u1ea3o ng\u01b0\u1ee3c k\u1ebft qu\u1ea3, tr\u1ea3 v\u1ec1 false n\u1ebfu k\u1ebft qu\u1ea3 l\u00e0 true<\/td>\n<td>\n<p style=\"text-align: left;\">!(x &lt; 5 &amp;&amp; x &lt; 10)<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li><b>To\u00e1n T\u1eed Bitwise\u00a0<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00e1c to\u00e1n t\u1eed bitwise th\u1ef1c hi\u1ec7n thao t\u00e1c tr\u00ean c\u00e1c bits v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u1eadp tr\u00ecnh h\u1ec7 th\u1ed1ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u n\u0103ng.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p style=\"text-align: left;\"><strong>To\u00e1n t\u1eed<\/strong><\/p>\n<\/td>\n<td style=\"text-align: left;\"><strong>T\u00ean<\/strong><\/td>\n<td style=\"text-align: left;\"><strong>M\u00f4 t\u1ea3<\/strong><\/td>\n<td>\n<p style=\"text-align: left;\"><strong>V\u00ed d\u1ee5<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&amp;<\/span><\/p>\n<\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">AND<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Thi\u1ebft l\u1eadp t\u1eebng bit th\u00e0nh 1 n\u1ebfu c\u1ea3 hai bit t\u01b0\u01a1ng \u1ee9ng l\u00e0 1<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x &amp; y<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">|<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">OR<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Thi\u1ebft l\u1eadp t\u1eebng bit th\u00e0nh 1 n\u1ebfu m\u1ed9t trong hai bit l\u00e0 1<\/span><\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">x | y<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">^<\/span><\/p>\n<\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">XOR<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Thi\u1ebft l\u1eadp t\u1eebng bit th\u00e0nh 1 n\u1ebfu ch\u1ec9 m\u1ed9t trong hai bit l\u00e0 1<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x ^ y<\/span><\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&lt;&lt;<\/span><\/p>\n<\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Zero fill left shift<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">D\u1ecbch tr\u00e1i v\u00e0 \u0111i\u1ec1n 0 v\u00e0o ph\u00eda b\u00ean ph\u1ea3i<\/span><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">x &lt;&lt; 2<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">&gt;&gt;<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Signed right shift<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ecbch ph\u1ea3i v\u00e0 sao ch\u00e9p bit c\u1ef1c tr\u00e1i v\u00e0o t\u1eeb ph\u00eda b\u00ean tr\u00e1i, v\u00e0 \u0111\u1ec3 c\u00e1c bit c\u1ef1c ph\u1ea3i r\u01a1i ra<\/span><\/td>\n<td><span style=\"font-weight: 400;\">x &gt;&gt; 2<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><b>C\u00e2u l\u1ec7nh if &#8211; else<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng c\u00e2u l\u1ec7nh <strong>if<\/strong> \u0111\u1ec3 ch\u1ec9 \u0111\u1ecbnh m\u1ed9t kh\u1ed1i m\u00e3 Go \u0111\u01b0\u1ee3c th\u1ef1c thi n\u1ebfu \u0111i\u1ec1u ki\u1ec7n l\u00e0 \u0111\u00fang.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng c\u00e2u l\u1ec7nh <strong>else<\/strong> \u0111\u1ec3 ch\u1ec9 \u0111\u1ecbnh m\u1ed9t kh\u1ed1i m\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c thi n\u1ebfu \u0111i\u1ec1u ki\u1ec7n l\u00e0 sai.<\/span><\/li>\n<\/ul>\n<pre><span style=\"font-weight: 400;\">package main<\/span>\r\n<span style=\"font-weight: 400;\">import<\/span><span style=\"font-weight: 400;\"> (<\/span><span style=\"font-weight: 400;\">\"fmt\"<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n\r\n<span style=\"font-weight: 400;\">func main() {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 time := <\/span><span style=\"font-weight: 400;\">20<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 <\/span><span style=\"font-weight: 400;\">if<\/span><span style=\"font-weight: 400;\"> (time &lt; <\/span><span style=\"font-weight: 400;\">18<\/span><span style=\"font-weight: 400;\">) {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 fmt.Println(<\/span><span style=\"font-weight: 400;\">\"Good day.\"<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 } <\/span><span style=\"font-weight: 400;\">else<\/span><span style=\"font-weight: 400;\"> {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 fmt.Println(<\/span><span style=\"font-weight: 400;\">\"Good evening.\"<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 }<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span><\/pre>\n<h3><b>V\u00f2ng l\u1eb7p<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">V\u00f2ng l\u1eb7p th\u1ef1c thi m\u1ed9t kh\u1ed1i m\u00e3 m\u1ed9t s\u1ed1 l\u1ea7n \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh tr\u01b0\u1edbc. Ch\u1ec9 c\u00f3 m\u1ed9t lo\u1ea1i v\u00f2ng l\u1eb7p duy nh\u1ea5t c\u00f3 s\u1eb5n trong Go. T\u00ednh n\u0103ng n\u00e0y r\u1ea5t h\u1eefu \u00edch n\u1ebfu b\u1ea1n mu\u1ed1n ch\u1ea1y c\u00f9ng m\u1ed9t \u0111o\u1ea1n m\u00e3 \u0111i \u0111i l\u1ea1i l\u1ea1i, m\u1ed7i l\u1ea7n v\u1edbi m\u1ed9t gi\u00e1 tr\u1ecb kh\u00e1c nhau. M\u1ed7i l\u1ea7n th\u1ef1c thi c\u1ee7a v\u00f2ng l\u1eb7p \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ed9t l\u1ea7n l\u1eb7p.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00f2ng l\u1eb7p for c\u00f3 th\u1ec3 nh\u1eadn t\u1ed1i \u0111a ba c\u00e2u l\u1ec7nh:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e2u l\u1ec7nh 1: Kh\u1edfi t\u1ea1o gi\u00e1 tr\u1ecb \u0111\u1ebfm c\u1ee7a v\u00f2ng l\u1eb7p.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e2u l\u1ec7nh 2: \u0110\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cho m\u1ed7i l\u1ea7n l\u1eb7p. N\u1ebfu \u0111\u00e1nh gi\u00e1 l\u00e0 TRUE, v\u00f2ng l\u1eb7p ti\u1ebfp t\u1ee5c. N\u1ebfu \u0111\u00e1nh gi\u00e1 l\u00e0 FALSE, v\u00f2ng l\u1eb7p k\u1ebft th\u00fac.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e2u l\u1ec7nh 3: T\u0103ng gi\u00e1 tr\u1ecb b\u1ed9 \u0111\u1ebfm c\u1ee7a v\u00f2ng l\u1eb7p.<\/span><\/li>\n<\/ul>\n<pre><span style=\"font-weight: 400;\">package main<\/span>\r\n<span style=\"font-weight: 400;\">import<\/span><span style=\"font-weight: 400;\"> (<\/span><span style=\"font-weight: 400;\">\"fmt\"<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n\r\n<span style=\"font-weight: 400;\">func main() {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 <\/span><span style=\"font-weight: 400;\">for<\/span><span style=\"font-weight: 400;\"> i:=<\/span><span style=\"font-weight: 400;\">0<\/span><span style=\"font-weight: 400;\">; i &lt; <\/span><span style=\"font-weight: 400;\">5<\/span><span style=\"font-weight: 400;\">; i++ {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 fmt.Println(i)<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 }<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span><\/pre>\n<h3><b>H\u00e0m<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">M\u1ed9t h\u00e0m l\u00e0 m\u1ed9t kh\u1ed1i c\u00e1c c\u00e2u l\u1ec7nh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111i s\u1eed d\u1ee5ng l\u1ea1i nhi\u1ec1u l\u1ea7n trong m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh. H\u00e0m s\u1ebd kh\u00f4ng t\u1ef1 \u0111\u1ed9ng th\u1ef1c thi khi m\u1ed9t trang t\u1ea3i. H\u00e0m s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c thi th\u00f4ng qua m\u1ed9t l\u1eddi g\u1ecdi \u0111\u1ebfn h\u00e0m \u0111\u00f3.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 t\u1ea1o (hay khai b\u00e1o) m\u1ed9t h\u00e0m, ta l\u00e0m nh\u01b0 sau:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng t\u1eeb kh\u00f3a <strong>func<\/strong>.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh m\u1ed9t t\u00ean cho h\u00e0m, theo sau l\u00e0 c\u1eb7p d\u1ea5u ngo\u1eb7c \u0111\u01a1n ().<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cu\u1ed1i c\u00f9ng, th\u00eam m\u00e3 \u0111\u1ecbnh ngh\u0129a h\u00e0m s\u1ebd l\u00e0m g\u00ec, b\u00ean trong c\u1eb7p ngo\u1eb7c nh\u1ecdn {}.<\/span><\/li>\n<\/ul>\n<p>V\u00ed d\u1ee5 khai b\u00e1o h\u00e0m:<\/p>\n<pre><span style=\"font-weight: 400;\">package main<\/span>\r\n<span style=\"font-weight: 400;\">import<\/span><span style=\"font-weight: 400;\"> (<\/span><span style=\"font-weight: 400;\">\"fmt\"<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n\r\n<span style=\"font-weight: 400;\">func myMessage() {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(<\/span><span style=\"font-weight: 400;\">\"I just got executed!\"<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span>\r\n\r\n<span style=\"font-weight: 400;\">func main() {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 myMessage() \/\/ call the function<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span><\/pre>\n<h3><b>C\u1ea5u tr\u00fac (Struct)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">M\u1ed9t struct (vi\u1ebft t\u1eaft c\u1ee7a structure &#8211; c\u1ea5u tr\u00fac) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c th\u00e0nh ph\u1ea7n thu\u1ed9c nhi\u1ec1u ki\u1ec3u d\u1eef li\u1ec7u kh\u00e1c nhau trong m\u1ed9t bi\u1ebfn \u0111\u01a1n. C\u1ea5u tr\u00fac c\u00f3 th\u1ec3 h\u1eefu \u00edch cho vi\u1ec7c nh\u00f3m d\u1eef li\u1ec7u l\u1ea1i v\u1edbi nhau \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c b\u1ea3n ghi.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Trong khi m\u1ea3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0u tr\u1eef nhi\u1ec1u gi\u00e1 tr\u1ecb c\u1ee7a c\u00f9ng m\u1ed9t ki\u1ec3u d\u1eef li\u1ec7u trong m\u1ed9t bi\u1ebfn \u0111\u01a1n, c\u00e1c c\u1ea5u tr\u00fac \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0u tr\u1eef nhi\u1ec1u gi\u00e1 tr\u1ecb c\u1ee7a nhi\u1ec1u ki\u1ec3u d\u1eef li\u1ec7u kh\u00e1c nhau trong m\u1ed9t bi\u1ebfn \u0111\u01a1n. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 khai b\u00e1o m\u1ed9t c\u1ea5u tr\u00fac trong Go, s\u1eed d\u1ee5ng c\u00e1c t\u1eeb kh\u00f3a <strong>type<\/strong> v\u00e0 <strong>struct<\/strong>:<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">package main<\/span>\r\n<span style=\"font-weight: 400;\">import<\/span><span style=\"font-weight: 400;\"> (<\/span><span style=\"font-weight: 400;\">\"fmt\"<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n\r\n<span style=\"font-weight: 400;\">type Person struct {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 name string<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 age int<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 job string<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 salary int<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span>\r\n\r\n<span style=\"font-weight: 400;\">func main() {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 var pers1 Person<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 var pers2 Person<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\u00a0 \/\/ Pers1 specification<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 pers1.name = <\/span><span style=\"font-weight: 400;\">\"Hege\"<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 pers1.age = <\/span><span style=\"font-weight: 400;\">45<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 pers1.job = <\/span><span style=\"font-weight: 400;\">\"Teacher\"<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 pers1.salary = <\/span><span style=\"font-weight: 400;\">6000<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\u00a0 \/\/ Pers2 specification<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 pers2.name = <\/span><span style=\"font-weight: 400;\">\"Cecilie\"<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 pers2.age = <\/span><span style=\"font-weight: 400;\">24<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 pers2.job = <\/span><span style=\"font-weight: 400;\">\"Marketing\"<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 pers2.salary = <\/span><span style=\"font-weight: 400;\">4500<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\u00a0 \/\/ Access <\/span><span style=\"font-weight: 400;\">and<\/span> <span style=\"font-weight: 400;\">print<\/span><span style=\"font-weight: 400;\"> Pers1 info<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(<\/span><span style=\"font-weight: 400;\">\"Name: \"<\/span><span style=\"font-weight: 400;\">, pers1.name)<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(<\/span><span style=\"font-weight: 400;\">\"Age: \"<\/span><span style=\"font-weight: 400;\">, pers1.age)<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(<\/span><span style=\"font-weight: 400;\">\"Job: \"<\/span><span style=\"font-weight: 400;\">, pers1.job)<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(<\/span><span style=\"font-weight: 400;\">\"Salary: \"<\/span><span style=\"font-weight: 400;\">, pers1.salary)<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\u00a0 \/\/ Access <\/span><span style=\"font-weight: 400;\">and<\/span> <span style=\"font-weight: 400;\">print<\/span><span style=\"font-weight: 400;\"> Pers2 info<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(<\/span><span style=\"font-weight: 400;\">\"Name: \"<\/span><span style=\"font-weight: 400;\">, pers2.name)<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(<\/span><span style=\"font-weight: 400;\">\"Age: \"<\/span><span style=\"font-weight: 400;\">, pers2.age)<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(<\/span><span style=\"font-weight: 400;\">\"Job: \"<\/span><span style=\"font-weight: 400;\">, pers2.job)<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Println(<\/span><span style=\"font-weight: 400;\">\"Salary: \"<\/span><span style=\"font-weight: 400;\">, pers2.salary)<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span><\/pre>\n<h3><b>B\u1ea3n \u0110\u1ed3 (Map)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">M\u1ed9t b\u1ea3n \u0111\u1ed3 l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p kh\u00f4ng c\u00f3 th\u1ee9 t\u1ef1 v\u00e0 c\u00f3 th\u1ec3 thay \u0111\u1ed5i, kh\u00f4ng cho ph\u00e9p c\u00e1c ph\u1ea7n t\u1eed tr\u00f9ng l\u1eb7p. M\u1ed7i ph\u1ea7n t\u1eed trong m\u1ed9t b\u1ea3n \u0111\u1ed3 l\u00e0 m\u1ed9t c\u1eb7p kh\u00f3a:gi\u00e1 tr\u1ecb (key:value). \u0110\u1ed9 d\u00e0i c\u1ee7a m\u1ed9t b\u1ea3n \u0111\u1ed3 l\u00e0 s\u1ed1 l\u01b0\u1ee3ng c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a n\u00f3, b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng h\u00e0m len(). Gi\u00e1 tr\u1ecb m\u1eb7c \u0111\u1ecbnh c\u1ee7a m\u1ed9t b\u1ea3n \u0111\u1ed3 l\u00e0 <strong>nil<\/strong>.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 v\u00ed d\u1ee5 c\u00e1ch t\u1ea1o b\u1ea3n \u0111\u1ed3 s\u1eed d\u1ee5ng <strong>var<\/strong> v\u00e0 <strong>:=<\/strong><\/span><\/p>\n<pre><span style=\"font-weight: 400;\">package main<\/span>\r\n<span style=\"font-weight: 400;\">import<\/span><span style=\"font-weight: 400;\"> (<\/span><span style=\"font-weight: 400;\">\"fmt\"<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n\r\n<span style=\"font-weight: 400;\">func main() {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 var a = map[string]string{<\/span><span style=\"font-weight: 400;\">\"brand\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"Ford\"<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">\"model\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"Mustang\"<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">\"year\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"1964\"<\/span><span style=\"font-weight: 400;\">}<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 b := map[string]int{<\/span><span style=\"font-weight: 400;\">\"Oslo\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">1<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">\"Bergen\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">\"Trondheim\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">3<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">\"Stavanger\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">4<\/span><span style=\"font-weight: 400;\">}<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Printf(<\/span><span style=\"font-weight: 400;\">\"a\\t%v\\n\"<\/span><span style=\"font-weight: 400;\">, a)<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 fmt.Printf(<\/span><span style=\"font-weight: 400;\">\"b\\t%v\\n\"<\/span><span style=\"font-weight: 400;\">, b)<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span><\/pre>\n<h2><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_thuong_gap_ve_Golang_co_ban\"><\/span><strong>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Golang c\u01a1 b\u1ea3n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><strong>C\u00fa ph\u00e1p Go c\u00f3 gi\u1ed1ng C++ kh\u00f4ng?<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">C\u00fa ph\u00e1p: C\u00fa ph\u00e1p c\u1ee7a Go \u0111\u01a1n gi\u1ea3n h\u01a1n nhi\u1ec1u so v\u1edbi C++. m\u1ed9t v\u00ed d\u1ee5 nh\u01b0 khi mu\u1ed1n \u0111\u1ea3m b\u1ea3o an to\u00e0n B\u1ed9 nh\u1edb: Go t\u1ef1 \u0111\u1ed9ng h\u00f3a qu\u00e1 tr\u00ecnh d\u1ecdn d\u1eb9p d\u1eef li\u1ec7u kh\u00f4ng c\u1ea7n thi\u1ebft. Trong khi \u0111\u00f3, b\u1ea1n ph\u1ea3i ho\u00e0n to\u00e0n l\u00e0m th\u1ee7 c\u00f4ng c\u00e1c qu\u00e1 tr\u00ecnh n\u00e0y b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng con tr\u1ecf trong C++.\u00a0<\/span><\/p>\n<h3><strong>C\u00fa ph\u00e1p Go c\u00f3 gi\u1ed1ng Python kh\u00f4ng?<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">Python d\u1ec5 \u0111\u1ecdc h\u01a1n nh\u01b0ng s\u1ebd kh\u00e1 d\u00e0i d\u00f2ng so v\u1edbi Go. Go s\u1ebd d\u1ec5 h\u1ecdc d\u1ec5 b\u1eaft \u0111\u1ea7u khi m\u1edbi t\u00ecm hi\u1ec3u, nh\u01b0ng s\u1ebd\u00a0 c\u00e0ng kh\u00f3 d\u1ea7n khi c\u00e0ng \u0111\u00e0o s\u00e2u v\u00e0o ph\u00e1t tri\u1ec3n c\u00e1c t\u00ednh n\u0103ng v\u00e0 vi\u1ebft c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh ph\u1ee9c t\u1ea1p so v\u1edbi Python c\u00f3 m\u1ee9c \u0111\u1ed9 d\u1ec5 trung b\u00ecnh v\u00e0 duy tr\u00ec d\u1ea7n v\u1ec1 sau. Go bi\u1ebft \u0111i\u1ec1u \u0111\u00f3 n\u00ean n\u00f3 c\u0169ng cung c\u1ea5p th\u00eam m\u1ed9t v\u00e0i t\u00ednh n\u0103ng c\u00fa ph\u00e1p \u0111\u1ec3 l\u00e0m cho vi\u1ec7c g\u1ee1 l\u1ed7i code d\u1ec5 d\u00e0ng cho c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh ph\u1ee9c t\u1ea1p.<\/span><\/p>\n<h3><strong>C\u00fa ph\u00e1p Golang gi\u1ed1ng v\u1edbi ng\u00f4n ng\u1eef n\u00e0o?<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">C\u00fa ph\u00e1p c\u1ee7a Go gi\u1ed1ng v\u1edbi Java v\u00e0 C++. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 Java, Golang l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh \u0111a m\u00f4 h\u00ecnh, \u0111\u01b0\u1ee3c bi\u00ean d\u1ecbch, c\u00f3 ki\u1ec3u t\u0129nh v\u00e0 \u0111a d\u1ee5ng. C\u00fa ph\u00e1p c\u1ee7a Go g\u1ea7n gi\u1ed1ng v\u1edbi &#8216;C&#8217; v\u00ec tr\u00ecnh bi\u00ean d\u1ecbch c\u1ee7a ng\u00f4n ng\u1eef \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng trong C.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ket_luan_Golang_co_ban\"><\/span><strong>K\u1ebft lu\u1eadn Golang c\u01a1 b\u1ea3n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng Go m\u01b0\u1ee3n c\u00e1c y\u1ebfu t\u1ed1 quen thu\u1ed9c t\u1eeb c\u00e1c ng\u00f4n ng\u1eef nh\u01b0 C v\u00e0 Python, Go c\u0169ng gi\u1edbi thi\u1ec7u nh\u1eefng c\u1ea3i ti\u1ebfn gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a v\u00e0 t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c l\u1eadp tr\u00ecnh v\u00e0 n\u00e2ng cao \u0111\u1ed9 tin c\u1eady c\u1ee7a code. C\u00fa ph\u00e1p c\u1ee7a Go nh\u1ea5n m\u1ea1nh s\u1ef1 r\u00f5 r\u00e0ng v\u00e0 hi\u1ec7u qu\u1ea3, gi\u00fap gi\u1ea3m thi\u1ec3u l\u1ed7i l\u1eadp tr\u00ecnh v\u00e0 l\u00e0m cho ng\u00f4n ng\u1eef n\u00e0y d\u1ec5 ti\u1ebfp c\u1eadn h\u01a1n v\u1edbi ng\u01b0\u1eddi m\u1edbi.<\/span><\/p>\n<blockquote><p><em>\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/itviec.com\/blog\/hoc-golang\/\" target=\"_blank\" rel=\"noopener\"><strong>H\u1ecdc Golang \u0111\u1ea7y \u0111\u1ee7 ch\u1ec9 v\u1edbi 9 b\u01b0\u1edbc<\/strong><\/a><\/em><\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Golang l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef m\u1edbi m\u1ebb, hi\u1ec7u qu\u1ea3 m\u00e0 \u0111\u01a1n gi\u1ea3n, sau khi h\u1ecdc c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c thu nh\u1eadp r\u1ea5t cao so v\u1edbi th\u1ecb tr\u01b0\u1eddng c\u00f4ng ngh\u1ec7 th\u00f4ng tin. Golang \u0111\u1eb7c bi\u1ec7t m\u1ea1nh m\u1ebd trong l\u0129nh v\u1ef1c ph\u00e1t tri\u1ec3n web v\u00e0 v\u1eadn h\u00e0nh c\u00e1c \u1ee9ng d\u1ee5ng ph\u00eda m\u00e1y ch\u1ee7 m\u1ed9t c\u00e1ch hi\u1ec7u [&hellip;]<\/p>\n","protected":false},"author":222,"featured_media":68458,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[109],"tags":[],"class_list":["post-68351","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chuyen-mon-it"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>10+ kh\u00e1i ni\u1ec7m v\u00e0 c\u00fa ph\u00e1p Golang c\u01a1 b\u1ea3n - ITviec Blog<\/title>\n<meta name=\"description\" content=\"B\u00e0i vi\u1ebft t\u1ed5ng h\u1ee3p c\u00e1c \u0111\u1ecbnh ngh\u0129a, thu\u1eadt ng\u1eef, c\u00fa ph\u00e1p Golang c\u01a1 b\u1ea3n d\u00e0nh cho nh\u1eefng ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u l\u1eadp tr\u00ecnh v\u00e0 mu\u1ed1n h\u1ecdc Golang c\u01a1 b\u1ea3n.\u00a0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/itviec.com\/blog\/golang-co-ban\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"10+ kh\u00e1i ni\u1ec7m v\u00e0 c\u00fa ph\u00e1p Golang c\u01a1 b\u1ea3n\" \/>\n<meta property=\"og:description\" content=\"Golang l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef m\u1edbi m\u1ebb, hi\u1ec7u qu\u1ea3 m\u00e0 \u0111\u01a1n gi\u1ea3n, sau khi h\u1ecdc c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c thu nh\u1eadp r\u1ea5t cao so v\u1edbi th\u1ecb tr\u01b0\u1eddng c\u00f4ng ngh\u1ec7 th\u00f4ng tin. Golang \u0111\u1eb7c\" \/>\n<meta property=\"og:url\" content=\"https:\/\/itviec.com\/blog\/golang-co-ban\/\" \/>\n<meta property=\"og:site_name\" content=\"ITviec Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ITviec\" \/>\n<meta property=\"article:published_time\" content=\"2024-05-15T01:46:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/Thumbnail-golang-co-ban-vippro.png\" \/>\n\t<meta property=\"og:image:width\" content=\"3959\" \/>\n\t<meta property=\"og:image:height\" content=\"2084\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Nguy\u1ec5n H\u1eefu V\u0103n\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@ITviec\" \/>\n<meta name=\"twitter:site\" content=\"@ITviec\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nguy\u1ec5n H\u1eefu V\u0103n\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"14 ph\u00fat\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"10+ kh\u00e1i ni\u1ec7m v\u00e0 c\u00fa ph\u00e1p Golang c\u01a1 b\u1ea3n - ITviec Blog","description":"B\u00e0i vi\u1ebft t\u1ed5ng h\u1ee3p c\u00e1c \u0111\u1ecbnh ngh\u0129a, thu\u1eadt ng\u1eef, c\u00fa ph\u00e1p Golang c\u01a1 b\u1ea3n d\u00e0nh cho nh\u1eefng ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u l\u1eadp tr\u00ecnh v\u00e0 mu\u1ed1n h\u1ecdc Golang c\u01a1 b\u1ea3n.\u00a0","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/itviec.com\/blog\/golang-co-ban\/","og_locale":"vi_VN","og_type":"article","og_title":"10+ kh\u00e1i ni\u1ec7m v\u00e0 c\u00fa ph\u00e1p Golang c\u01a1 b\u1ea3n","og_description":"Golang l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef m\u1edbi m\u1ebb, hi\u1ec7u qu\u1ea3 m\u00e0 \u0111\u01a1n gi\u1ea3n, sau khi h\u1ecdc c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c thu nh\u1eadp r\u1ea5t cao so v\u1edbi th\u1ecb tr\u01b0\u1eddng c\u00f4ng ngh\u1ec7 th\u00f4ng tin. Golang \u0111\u1eb7c","og_url":"https:\/\/itviec.com\/blog\/golang-co-ban\/","og_site_name":"ITviec Blog","article_publisher":"https:\/\/www.facebook.com\/ITviec","article_published_time":"2024-05-15T01:46:36+00:00","og_image":[{"width":3959,"height":2084,"url":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/Thumbnail-golang-co-ban-vippro.png","type":"image\/png"}],"author":"Nguy\u1ec5n H\u1eefu V\u0103n","twitter_card":"summary_large_image","twitter_creator":"@ITviec","twitter_site":"@ITviec","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"Nguy\u1ec5n H\u1eefu V\u0103n","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"14 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/itviec.com\/blog\/golang-co-ban\/#article","isPartOf":{"@id":"https:\/\/itviec.com\/blog\/golang-co-ban\/"},"author":{"name":"Nguy\u1ec5n H\u1eefu V\u0103n","@id":"https:\/\/itviec.com\/blog\/#\/schema\/person\/a77cc13f89eaa58f59d8772448febe5f"},"headline":"10+ kh\u00e1i ni\u1ec7m v\u00e0 c\u00fa ph\u00e1p Golang c\u01a1 b\u1ea3n","datePublished":"2024-05-15T01:46:36+00:00","mainEntityOfPage":{"@id":"https:\/\/itviec.com\/blog\/golang-co-ban\/"},"wordCount":3538,"publisher":{"@id":"https:\/\/itviec.com\/blog\/#organization"},"image":{"@id":"https:\/\/itviec.com\/blog\/golang-co-ban\/#primaryimage"},"thumbnailUrl":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/Thumbnail-golang-co-ban-vippro.png","articleSection":["Chuy\u00ean m\u00f4n IT"],"inLanguage":"vi"},{"@type":"WebPage","@id":"https:\/\/itviec.com\/blog\/golang-co-ban\/","url":"https:\/\/itviec.com\/blog\/golang-co-ban\/","name":"10+ kh\u00e1i ni\u1ec7m v\u00e0 c\u00fa ph\u00e1p Golang c\u01a1 b\u1ea3n - ITviec Blog","isPartOf":{"@id":"https:\/\/itviec.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/itviec.com\/blog\/golang-co-ban\/#primaryimage"},"image":{"@id":"https:\/\/itviec.com\/blog\/golang-co-ban\/#primaryimage"},"thumbnailUrl":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/Thumbnail-golang-co-ban-vippro.png","datePublished":"2024-05-15T01:46:36+00:00","description":"B\u00e0i vi\u1ebft t\u1ed5ng h\u1ee3p c\u00e1c \u0111\u1ecbnh ngh\u0129a, thu\u1eadt ng\u1eef, c\u00fa ph\u00e1p Golang c\u01a1 b\u1ea3n d\u00e0nh cho nh\u1eefng ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u l\u1eadp tr\u00ecnh v\u00e0 mu\u1ed1n h\u1ecdc Golang c\u01a1 b\u1ea3n.\u00a0","breadcrumb":{"@id":"https:\/\/itviec.com\/blog\/golang-co-ban\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/itviec.com\/blog\/golang-co-ban\/"]}]},{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/itviec.com\/blog\/golang-co-ban\/#primaryimage","url":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/Thumbnail-golang-co-ban-vippro.png","contentUrl":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/Thumbnail-golang-co-ban-vippro.png","width":3959,"height":2084,"caption":"golang c\u01a1 b\u1ea3n"},{"@type":"BreadcrumbList","@id":"https:\/\/itviec.com\/blog\/golang-co-ban\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Chuy\u00ean m\u00f4n IT","item":"https:\/\/itviec.com\/blog\/chuyen-mon-it\/"},{"@type":"ListItem","position":2,"name":"10+ kh\u00e1i ni\u1ec7m v\u00e0 c\u00fa ph\u00e1p Golang c\u01a1 b\u1ea3n"}]},{"@type":"WebSite","@id":"https:\/\/itviec.com\/blog\/#website","url":"https:\/\/itviec.com\/blog\/","name":"ITviec Blog","description":"IT Jobs &amp; People in Vietnam","publisher":{"@id":"https:\/\/itviec.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/itviec.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"vi"},{"@type":"Organization","@id":"https:\/\/itviec.com\/blog\/#organization","name":"ITviec","url":"https:\/\/itviec.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/itviec.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2018\/12\/itviec-black-square-facebook.png","contentUrl":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2018\/12\/itviec-black-square-facebook.png","width":1800,"height":1800,"caption":"ITviec"},"image":{"@id":"https:\/\/itviec.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/ITviec","https:\/\/x.com\/ITviec","https:\/\/www.linkedin.com\/company\/itviec","https:\/\/www.youtube.com\/channel\/UCYthAQ3bcGr57M_ag5gHDvQ"]},{"@type":"Person","@id":"https:\/\/itviec.com\/blog\/#\/schema\/person\/a77cc13f89eaa58f59d8772448febe5f","name":"Nguy\u1ec5n H\u1eefu V\u0103n","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/TR-Nguyen-Huu-Van-vippro-e1712136004193-100x100.jpg","url":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/TR-Nguyen-Huu-Van-vippro-e1712136004193-100x100.jpg","contentUrl":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/TR-Nguyen-Huu-Van-vippro-e1712136004193-100x100.jpg","caption":"Nguy\u1ec5n H\u1eefu V\u0103n"},"url":"https:\/\/itviec.com\/blog\/author\/nguyen-huu-van-2\/"}]}},"_links":{"self":[{"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/posts\/68351","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/users\/222"}],"replies":[{"embeddable":true,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/comments?post=68351"}],"version-history":[{"count":0,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/posts\/68351\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/media\/68458"}],"wp:attachment":[{"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/media?parent=68351"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/categories?post=68351"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/tags?post=68351"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}