{"id":64107,"date":"2024-03-18T09:15:11","date_gmt":"2024-03-18T02:15:11","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=64107"},"modified":"2024-03-18T09:15:11","modified_gmt":"2024-03-18T02:15:11","slug":"java-la-gi","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/java-la-gi\/","title":{"rendered":"Java l\u00e0 g\u00ec? T\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 ng\u00f4n ng\u1eef Java"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 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\/java-la-gi\/#Java_la_gi\" >Java 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\/java-la-gi\/#Cu_phap_co_ban_cua_Java\" >C\u00fa ph\u00e1p c\u01a1 b\u1ea3n c\u1ee7a Java<\/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\/java-la-gi\/#Cac_cong_cu_Java_pho_bien\" >C\u00e1c c\u00f4ng c\u1ee5 Java ph\u1ed5 bi\u1ebfn\u00a0<\/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\/java-la-gi\/#Cac_thuat_ngu_co_ban_can_biet_ve_Java\" >C\u00e1c thu\u1eadt ng\u1eef c\u01a1 b\u1ea3n c\u1ea7n bi\u1ebft v\u1ec1 Java<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/itviec.com\/blog\/java-la-gi\/#Ngon_ngu_lap_trinh_Java_duoc_dung_de_lam_gi\" >Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Java \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/itviec.com\/blog\/java-la-gi\/#Vi_sao_Java_la_mot_ngon_ngu_lap_trinh_pho_bien\" >V\u00ec sao Java l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ph\u1ed5 bi\u1ebfn?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/itviec.com\/blog\/java-la-gi\/#Han_che_cua_Java\" >H\u1ea1n ch\u1ebf c\u1ee7a Java<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/itviec.com\/blog\/java-la-gi\/#Cac_cau_hoi_thuong_gap_ve_Java_la_gi\" >C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Java 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-9\" href=\"https:\/\/itviec.com\/blog\/java-la-gi\/#Tong_ket_Java_la_gi\" >T\u1ed5ng k\u1ebft Java l\u00e0 g\u00ec<\/a><\/li><\/ul><\/nav><\/div>\n<p><em><strong>Java l\u00e0 m\u1ed9t trong nh\u1eefng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay. L\u00fd do \u0111\u1eb1ng sau s\u1ef1 ph\u1ed5 bi\u1ebfn c\u1ee7a Java l\u00e0 g\u00ec? \u0110\u00e2y c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh d\u1ec5 h\u1ecdc v\u00e0 n\u00ean h\u1ecdc kh\u00f4ng? C\u00f2n th\u00eam nh\u1eefng \u0111i\u1ec1u g\u00ec n\u1eefa m\u00e0 b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 Java? B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n tr\u1ea3 l\u1eddi t\u1ea5t c\u1ea3 nh\u1eefng c\u00e2u h\u1ecfi tr\u00ean.<\/strong><\/em><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ecdc b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 hi\u1ec3u r\u00f5:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Java l\u00e0 g\u00ec?<\/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 Java<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thu\u1eadt ng\u1eef Java c\u01a1 b\u1ea3n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u1ea1n ch\u1ebf c\u1ee7a Java<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Java_la_gi\"><\/span><strong>Java l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><strong>S\u01a1 l\u01b0\u1ee3c v\u1ec1 l\u1ecbch s\u1eed Java<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">V\u00e0o n\u0103m 1991, m\u1ed9t nh\u00f3m c\u00e1c k\u1ef9 s\u01b0 bao g\u1ed3m James Gosling, Mike Sherdan, v\u00e0 Patrick Naughton t\u1ea1i Sun Microsystems \u0111\u00e3 b\u1eaft tay c\u00f9ng nhau t\u1ea1o ra m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh cho c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n gia d\u1ee5ng. Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh n\u00e0y ban \u0111\u1ea7u \u0111\u01b0\u1ee3c g\u1ecdi b\u1eb1ng c\u00e1i t\u00ean Greentalk, sau \u0111\u00f3 l\u00e0 Oak, v\u00e0 sau c\u00f9ng l\u00e0 t\u00ean Java m\u00e0 ch\u00fang ta bi\u1ebft ng\u00e0y nay.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ng\u00f4n ng\u1eef Java \u0111\u01b0\u1ee3c James Gosling ph\u00e1t tri\u1ec3n v\u00e0 \u0111\u01b0\u1ee3c Sun Microsystems cho ra m\u1eaft Java v\u00e0o 1995. Hi\u1ec7n nay, b\u1ea3n quy\u1ec1n Java \u0111\u00e3 thu\u1ed9c v\u1ec1 Oracle.<\/span><\/p>\n<blockquote><p><em>\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/itviec.com\/blog\/oracle-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>Oracle l\u00e0 g\u00ec? 5 gi\u1ea3i ph\u00e1p ph\u1ea7n m\u1ec1m Oracle m\u00e0 developer c\u1ea7n bi\u1ebft<\/strong><\/a><\/em><\/p><\/blockquote>\n<h3><strong>\u0110\u1ecbnh ngh\u0129a Java l\u00e0 g\u00ec<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">V\u1eady Java l\u00e0 g\u00ec? Java l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 bao g\u1ed3m ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh v\u00e0 n\u1ec1n t\u1ea3ng \u0111i\u1ec7n to\u00e1n (computing platforms) \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c d\u1ecbch v\u1ee5 v\u00e0 \u1ee9ng d\u1ee5ng. Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Java l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh d\u1ef1a tr\u00ean l\u1edbp (class-based) v\u00e0 h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng (<\/span><a href=\"https:\/\/itviec.com\/blog\/oop-la-gi\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">object-oriented programming hay OOP<\/span><\/a><span style=\"font-weight: 400;\">). Java \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi \u00edt s\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o n\u1ec1n t\u1ea3ng nh\u1ea5t c\u00f3 th\u1ec3.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u1ee5 th\u1ec3 h\u01a1n, Java \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi ph\u01b0\u01a1ng ch\u00e2m WORA &#8211; Write Once, Run Anytime (Code m\u1ed9t l\u1ea7n, ch\u1ea1y \u1edf b\u1ea5t c\u1ee9 \u0111\u00e2u). Ph\u01b0\u01a1ng ch\u00e2m n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch k\u0129 h\u01a1n trong ph\u1ea7n sau c\u1ee7a b\u00e0i vi\u1ebft.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Java c\u00f2n \u0111\u01b0\u1ee3c t\u1ea1o ra d\u1ef1a tr\u00ean c\u00e1c nguy\u00ean t\u1eafc nh\u01b0: Robust (m\u1ea1nh m\u1ebd), Portable (di \u0111\u1ed9ng), Platform Independent (\u0111\u1ed9c l\u1eadp v\u1edbi n\u1ec1n t\u1ea3ng), High Performance (Hi\u1ec7u su\u1ea5t cao), Multithread (\u0111a lu\u1ed3ng),&#8230;<\/span><\/p>\n<p><span style=\"font-weight: 400;\">D\u00f9 \u0111\u00e3 ra m\u1eaft t\u1eeb g\u1ea7n 30 n\u0103m v\u1ec1 tr\u01b0\u1edbc, \u0111\u1ebfn nay, Java v\u1eabn l\u00e0 m\u1ed9t trong nh\u1eefng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ph\u1ed5 bi\u1ebfn nh\u1ea5t khi n\u1eb1m trong top <\/span><a href=\"https:\/\/survey.stackoverflow.co\/2023\/#most-popular-technologies-language-prof\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Nh\u1eefng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t 2024<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cu_phap_co_ban_cua_Java\"><\/span><strong>C\u00fa ph\u00e1p c\u01a1 b\u1ea3n c\u1ee7a Java<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Gi\u1ea3 s\u1eed ch\u00fang ta c\u00f3 m\u1ed9t t\u1ec7p t\u00ean l\u00e0 Main.java, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 v\u00ed d\u1ee5 v\u1ec1 c\u00e1c c\u00fa ph\u00e1p Java c\u01a1 b\u1ea3n \u0111\u1ec3 in ra m\u00e0n h\u00ecnh d\u00f2ng ch\u1eef \u201cITviec\u201d:<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">Main.java<\/span>\r\n\r\n<span style=\"font-weight: 400;\">public class Main {<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\u00a0\u00a0public static void main(String[] args) {<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0System.out.println(\"ITviec\");<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\u00a0\u00a0}<\/span>\r\n\r\n<span style=\"font-weight: 400;\">}<\/span><\/pre>\n<p><strong>Gi\u1ea3i th\u00edch:<\/strong><\/p>\n<p><strong>Ph\u01b0\u01a1ng th\u1ee9c Main<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">T\u1ea5t c\u1ea3 m\u1ecdi d\u00f9ng code b\u00ean trong ph\u01b0\u01a1ng th\u1ee9c main () \u0111\u1ec1u s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c thi.\u00a0<\/span><\/p>\n<pre><strong>System.out.println()<\/strong><\/pre>\n<p><span style=\"font-weight: 400;\">Trong ph\u01b0\u01a1ng th\u1ee9c main (), ch\u00fang ta c\u00f3 th\u1ec3 d\u00f9ng ph\u01b0\u01a1ng th\u1ee9c println () \u0111\u1ec3 in d\u00f2ng k\u00ed t\u1ef1 l\u00ean m\u00e0n h\u00ecnh. Println vi\u1ebft t\u1eaft cho print line v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 xu\u1ea5t gi\u00e1 tr\u1ecb ra m\u00e0n h\u00ecnh.<\/span><\/p>\n<h3><strong>M\u1ed9t s\u1ed1 l\u01b0u \u00fd v\u1ec1 c\u00fa ph\u00e1p Java<\/strong><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c d\u1ea5u ngo\u1eb7c {} \u0111\u00e1nh d\u1ea5u \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u v\u00e0 k\u1ebft th\u00fac c\u1ee7a code<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">System l\u00e0 l\u1edbp Java c\u00f3 s\u1eb5n bao g\u1ed3m \u0111\u1ed1i t\u01b0\u1ee3ng out (vi\u1ebft t\u1eaft cho output). System, out v\u00e0 println() \u0111\u1ec1u l\u00e0 nh\u1eefng th\u00e0nh ph\u1ea7n c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 xu\u1ea5t c\u00e1c gi\u00e1 tr\u1ecb l\u00ean m\u00e0n h\u00ecnh<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1ed7i d\u00f2ng code c\u1ea7n \u0111\u01b0\u1ee3c k\u1ebft th\u00fac b\u1eb1ng d\u1ea5u ch\u1ea5m ph\u1ea9y <\/span><b>;<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1ecdi d\u00f2ng code trong Java \u0111\u1ec1u c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u1eb7t trong m\u1ed9t l\u1edbp (class). M\u1ed7i class \u0111\u1ec1u c\u1ea7n \u0111\u01b0\u1ee3c b\u1eaft \u0111\u1ea7u v\u1edbi ch\u1eef vi\u1ebft hoa, v\u00ec Java ph\u00e2n bi\u1ec7t ch\u1eef vi\u1ebft hoa v\u00e0 vi\u1ebft th\u01b0\u1eddng. V\u00ed d\u1ee5, \u201cMyFirstJavaProgram\u201d kh\u00e1c v\u1edbi \u201cmyfirstjavaprogram\u201d<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ea7n nh\u1edb t\u1eadp tin Java v\u00e0 l\u1edbp Java c\u1ea7n c\u00f3 c\u00f9ng m\u1ed9t c\u00e1i t\u00ean. B\u1ea1n c\u00f3 th\u1ec3 l\u01b0u t\u00ean file b\u1eb1ng t\u00ean class v\u1edbi \u0111u\u00f4i \u201c.java\u201d<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cac_cong_cu_Java_pho_bien\"><\/span><strong>C\u00e1c c\u00f4ng c\u1ee5 Java ph\u1ed5 bi\u1ebfn\u00a0<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Khi ph\u00e1t tri\u1ec3n c\u00e1c \u1ee9ng d\u1ee5ng Java, nh\u1eefng c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 b\u1ea1n g\u1ed3m c\u00f3:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Phi\u00ean b\u1ea3n Java ph\u1ed5 bi\u1ebfn nh\u1ea5t:<\/strong> Java 8 v\u00e0 <\/span><span style=\"font-weight: 400;\">Java 11. Ngo\u00e0i ra, Java 21 (ph\u00e1t h\u00e0nh v\u00e0o th\u00e1ng 9 n\u0103m 2021) ch\u00ednh l\u00e0 phi\u00ean b\u1ea3n Java LTS m\u1edbi nh\u1ea5t. LTS vi\u1ebft t\u1eaft cho long term support &#8211; h\u1ed7 tr\u1ee3 d\u00e0i h\u1ea1n. Java LTS ch\u1ec9 c\u00e1c phi\u00ean b\u1ea3n Java \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean v\u00e0 l\u00e0 phi\u00ean b\u1ea3n ti\u00eau chu\u1ea9n c\u1ee7a ng\u00e0nh trong m\u1ed9t th\u1eddi gian d\u00e0i v\u00ec t\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ee7a n\u00f3. M\u1ed9t s\u1ed1 phi\u00ean b\u1ea3n Java LTS l\u00e0 Java 11, Java 17, v\u00e0 m\u1edbi nh\u1ea5t l\u00e0 Java 21.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>IDE:<\/strong>\u00a0 Eclipse, IntelliJ IDEAn Netbeans,&#8230;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Framework:<\/strong> AngularJS, Spring MVC, Java Server Faces,&#8230;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Server:<\/strong> SpringBoot, Tomcat v\u00e0 Wildfly,&#8230;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><strong><a href=\"https:\/\/itviec.com\/blog\/java-framework\/\" target=\"_blank\" rel=\"noopener\">Framework<\/a><\/strong><span style=\"font-weight: 400;\"><strong> ki\u1ec3m th\u1eed:<\/strong> JUnit, Mockito, Selenium,&#8230;<\/span><\/li>\n<\/ul>\n<blockquote><p><em>\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/itviec.com\/blog\/framework-la-gi-top-framework-pho-bien-nhat\/\" target=\"_blank\" rel=\"noopener\"><strong>Top 15+ framework back-end, front-end v\u00e0 mobile ph\u1ed5 bi\u1ebfn nh\u1ea5t 2024<\/strong><\/a><\/em><\/p><\/blockquote>\n<h2><span class=\"ez-toc-section\" id=\"Cac_thuat_ngu_co_ban_can_biet_ve_Java\"><\/span><strong>C\u00e1c thu\u1eadt ng\u1eef c\u01a1 b\u1ea3n c\u1ea7n bi\u1ebft v\u1ec1 Java<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 c\u00f3 th\u1ec3 hi\u1ec3u bi\u1ebft m\u1ed9t c\u00e1ch \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 Java, ch\u00fang ta c\u1ea7n hi\u1ec3u \u0111\u01b0\u1ee3c ba thu\u1eadt ng\u1eef c\u01a1 b\u1ea3n g\u1eafn li\u1ec1n v\u1edbi ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh n\u00e0y, bao g\u1ed3m Java virtual machine (JVM), Java Runtime Environment (JRE), v\u00e0 Java Development Kit (JDK).<\/span><\/p>\n<h3><strong>Java Development Kit (JDK)\u00a0<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">Java development kit (JDK) l\u00e0 m\u1ed9t b\u1ed9 c\u00f4ng c\u1ee5 \u0111a n\u1ec1n t\u1ea3ng cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 th\u01b0 vi\u1ec7n (libraries) c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e1t tri\u1ec3n v\u00e0 tri\u1ec3n khai c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 ch\u01b0\u01a1ng tr\u00ecnh Java. JDK l\u00e0 m\u1ed9t g\u00f3i (package) ho\u1eb7c kit (b\u1ed9 c\u00f4ng c\u1ee5) quan tr\u1ecdng c\u1ee7a Java. JDK bao g\u1ed3m hai th\u00e0nh ph\u1ea7n quan tr\u1ecdng:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00f4ng c\u1ee5 l\u1eadp tr\u00ecnh \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh Java:<\/span><span style=\"font-weight: 400;\"> tr\u00ecnh di\u1ec5n gi\u1ea3i (compiler) Javac, tr\u00ecnh bi\u00ean d\u1ecbch (interperter) Java, tr\u00ecnh l\u01b0u tr\u1eef (archiver) jar v\u00e0 nhi\u1ec1u c\u00f4ng c\u1ee5 kh\u00e1c<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Java Runtime Environment, t\u1ee9c m\u00f4i tr\u01b0\u1eddng \u0111\u1ec3 tri\u1ec3n khai v\u00e0 test ch\u01b0\u01a1ng tr\u00ecnh<\/span><\/li>\n<\/ul>\n<h3><strong>Java Runtime Environment (JRE)<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">Nh\u1eefng ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u l\u00e0m quen v\u1edbi Java th\u01b0\u1eddng nh\u1ea7m l\u1eabn Java Runtime Environemt (JRE) v\u1edbi JDK. C\u00f3 m\u1ed9t s\u1ef1 th\u1eadt l\u00e0 n\u1ebfu ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 quan t\u00e2m \u0111\u1ebfn vi\u1ec7c ch\u1ea1y ch\u01b0\u01a1ng tr\u00ecnh Java tr\u00ean m\u00e1y th\u00ec ki\u1ebfn th\u1ee9c v\u1ec1 JRE l\u00e0 g\u00ec l\u00e0 \u0111\u1ee7. Tuy nhi\u00ean, n\u1ebfu ng\u01b0\u1eddi d\u00f9ng mu\u1ed1n vi\u1ebft c\u00e1c ph\u1ea7n m\u1ec1m s\u1eed d\u1ee5ng Java th\u00ec c\u1ea7n hi\u1ec3u \u0111\u01b0\u1ee3c c\u1ea3 JRE v\u00e0 JDK.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">T\u00f3m l\u1ea1i, trong khi JDK l\u00e0 m\u1ed9t b\u1ed9 c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng\/ ch\u01b0\u01a1ng tr\u00ecnh th\u00ec JRE ch\u1ec9 cung c\u1ea5p m\u00f4i tr\u01b0\u1eddng \u0111\u1ec3 ch\u1ea1y ch\u00fang tr\u00ean m\u00e1y.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">JRE bao g\u1ed3m:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Java Virtual Machine (JVM)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c th\u01b0 vi\u1ec7n class c\u00f3 trong m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c th\u01b0 vi\u1ec7n b\u1ed5 sung cho developer, v\u00ed d\u1ee5: th\u01b0 vi\u1ec7n qu\u1ed1c t\u1ebf h\u00f3a v\u00e0 th\u01b0 vi\u1ec7n IDL<\/span><\/li>\n<\/ul>\n<h3><strong>Java Virtual Machine (JVM)<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">Java Virutal Machine l\u00e0 m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh c\u00f3 s\u1eb5n trong JDK v\u00e0 JRE. JVM th\u1ef1c t\u1ebf l\u00e0 m\u1ed9t tr\u00ecnh d\u1ecbch (interpreter) gi\u00fap ng\u01b0\u1eddi d\u00f9ng ch\u1ea1y \u1ee9ng d\u1ee5ng Java tr\u00ean c\u00e1c n\u1ec1n t\u1ea3ng \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Nguy\u00ean nh\u00e2n \u0111\u1eb1ng sau t\u00ean g\u1ecdi n\u00e0y l\u00e0 do JVM l\u00e0 m\u1ed9t m\u00e1y \u1ea3o cho ph\u00e9p ch\u1ea1y c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh Java ngay c\u1ea3 tr\u00ean c\u00e1c ph\u1ea7n c\u1ee9ng hay h\u1ec7 \u0111i\u1ec1u h\u00e0nh kh\u00e1c nhau m\u00e0 kh\u00f4ng c\u1ea7n bi\u00ean d\u1ecbch sang code bytecode c\u1ee7a Java. \u0110\u00e2y c\u0169ng ch\u00ednh l\u00e0 \u0111\u1eb7c \u0111i\u1ec3m t\u1ea1o n\u00ean ph\u01b0\u01a1ng ch\u00e2m WORA c\u1ee7a Java &#8211; Code m\u1ed9t l\u1ea7n, ch\u1ea1y \u1edf b\u1ea5t c\u1ee9 \u0111\u00e2u (Write Once, Run Anytime).\u00a0<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ngon_ngu_lap_trinh_Java_duoc_dung_de_lam_gi\"><\/span><strong>Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Java \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Java l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c trang web l\u1edbn v\u00e0 uy t\u00edn nh\u01b0 Microsoft, Samsung, Tesla, hay Harvard. <\/span><span style=\"font-weight: 400;\">V\u1edbi t\u00ednh ch\u1ea5t \u0111a n\u1ec1n t\u1ea3ng n\u1ed5i b\u1eadt c\u1ee7a m\u00ecnh, c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean c\u00f3 th\u1ec3 t\u1ea1o n\u00ean nh\u1eefng s\u1ea3n ph\u1ea9m g\u00ec b\u1eb1ng ng\u00f4n ng\u1eef Java?<\/span><\/p>\n<ul>\n<li><strong>\u1ee8ng d\u1ee5ng web: <\/strong><span style=\"font-weight: 400;\">Twitter v\u00e0 LinkedIn l\u00e0 2 \u1ee9ng d\u1ee5ng web ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh b\u1eb1ng Java.<\/span><\/li>\n<li><strong>\u1ee8ng d\u1ee5ng \u0111i\u1ec7n tho\u1ea1i: <\/strong><span style=\"font-weight: 400;\">L\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng \u1ed5n \u0111\u1ecbnh nh\u01b0ng kh\u00f4ng k\u00e9m ph\u1ea7n linh ho\u1ea1t, Java l\u00e0 ng\u00f4n ng\u1eef \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u l\u1eadp tr\u00ecnh vi\u00ean app \u0111i\u1ec7n tho\u1ea1i \u01b0a chu\u1ed9ng. Spotify, Uber hay Google Earth ch\u00ednh l\u00e0 m\u1ed9t v\u00e0i v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh cho c\u00e1c app \u0111i\u1ec7n tho\u1ea1i s\u1eed d\u1ee5ng Java.<\/span><\/li>\n<li><strong>Ph\u1ea7n m\u1ec1m doanh nghi\u1ec7p: <\/strong><span style=\"font-weight: 400;\">C\u00e1c ph\u1ea7n m\u1ec1m doanh nghi\u1ec7p c\u00f3 l\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng r\u1ea5t l\u1edbn v\u00ec m\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a ch\u00fang l\u00e0 ph\u1ee5c v\u1ee5 c\u1ea3 m\u1ed9t t\u1eadp \u0111o\u00e0n ho\u1eb7c t\u1ed5 ch\u1ee9c. C\u00e1c ph\u1ea7n m\u1ec1m qu\u1ea3n l\u00fd chu\u1ed7i cung \u1ee9ng hay t\u00e0i ch\u00ednh c\u1ea7n c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng (scalability) v\u00e0 Java ch\u00ednh l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nhu c\u1ea7u n\u00e0y.<\/span><\/li>\n<li><strong>Tr\u00f2 ch\u01a1i: <\/strong><span style=\"font-weight: 400;\">Flappy Bird, Minecraft hay Asphalt 6 \u0111\u1ec1u l\u00e0 nh\u1eefng t\u1ef1a game n\u1ed5i ti\u1ebfng \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh b\u1eb1ng ng\u00f4n ng\u1eef Java. D\u00f9 kh\u00f4ng \u00edt game n\u1ed5i ti\u1ebfng \u0111\u01b0\u1ee3c vi\u1ebft b\u1eb1ng Java, \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c \u01b0u ti\u00ean cho m\u1ee5c \u0111\u00edch n\u00e0y v\u00ec m\u1ed9t s\u1ed1 <\/span><span style=\"font-weight: 400;\">nguy\u00ean t\u1eafc<\/span><span style=\"font-weight: 400;\"> v\u00e0 h\u1ea1n ch\u1ebf nh\u1ea5t \u0111\u1ecbnh c\u1ee7a ng\u00f4n ng\u1eef n\u00e0y.<\/span><\/li>\n<li><strong>\u1ee8ng d\u1ee5ng Internet v\u1ea1n v\u1eadt (IoT): <\/strong><a href=\"https:\/\/itviec.com\/blog\/iot-la-gi\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">IoT<\/span><\/a><span style=\"font-weight: 400;\"> kh\u00f4ng c\u00f2n qu\u00e1 xa l\u1ea1 khi m\u00e0 \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh hay tivi th\u00f4ng minh \u0111\u00e3 tr\u1edf n\u00ean r\u1ea5t ph\u1ed5 bi\u1ebfn trong \u0111\u1eddi s\u1ed1ng h\u1eb1ng ng\u00e0y. V\u00ec t\u00ednh \u0111a n\u1ec1n t\u1ea3ng m\u00e0 Java th\u01b0\u1eddng l\u00e0 m\u1ed9t trong nh\u1eefng l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho IoT.\u00a0<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Vi_sao_Java_la_mot_ngon_ngu_lap_trinh_pho_bien\"><\/span><strong>V\u00ec sao Java l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ph\u1ed5 bi\u1ebfn?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">C\u00f3 2 l\u00fd do ch\u00ednh khi\u1ebfn Java tr\u1edf th\u00e0nh ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c nhi\u1ec1u t\u1eadp \u0111o\u00e0n v\u00e0 t\u1ed5 ch\u1ee9c l\u1edbn \u01b0a chu\u1ed9ng c\u0169ng nh\u01b0 \u1ee9ng d\u1ee5ng.<\/span><\/p>\n<ul>\n<li><strong>T\u00ednh \u0111\u1ed9c l\u1eadp v\u1edbi n\u1ec1n t\u1ea3ng:<\/strong><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp trong c\u00e1c ph\u1ea7n tr\u01b0\u1edbc, v\u00ec Java \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u1edbi m\u1ee5c \u0111\u00edch \u201cvi\u1ebft ch\u1ec9 m\u1ed9t l\u1ea7n nh\u01b0ng ch\u1ea1y \u1edf b\u1ea5t c\u1ee9 \u0111\u00e2u\u201d t\u1eeb t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y t\u00ednh x\u00e1ch tay, m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n \u0111\u1ebfn c\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh kh\u00e1c nhau nh\u01b0 <\/span><a href=\"https:\/\/itviec.com\/blog\/linux\/\"><span style=\"font-weight: 400;\">Linux<\/span><\/a><span style=\"font-weight: 400;\">, Windows, hay MacOS. Ch\u00ednh \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y khi\u1ebfn Java r\u1ea5t \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng.<\/span><\/p>\n<ul>\n<li><strong>Li\u00ean t\u1ee5c ti\u1ebfn h\u00f3a:<\/strong><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Java li\u00ean t\u1ee5c \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0 ho\u00e0n thi\u1ec7n. \u0110i \u0111\u00f4i v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n ho\u00e0n thi\u1ec7n \u0111\u00f3 l\u00e0 s\u1ef1 th\u00edch \u1ee9ng v\u1edbi th\u1eddi \u0111\u1ea1i &#8211; ch\u1eb3ng h\u1ea1n, Java l\u00e0 m\u1ed9t trong nh\u1eefng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh g\u00e2y d\u1ef1ng n\u00ean ti\u1ebfng vang v\u00e0 s\u1ef1 uy t\u00edn cho c\u00f4ng ngh\u1ec7 IoT v\u00e0 \u0111\u00e1m m\u00e2y.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea5t k\u1ec3 s\u1ef1 ti\u1ebfn ho\u00e1 hay ph\u00e1t tri\u1ec3n n\u00e0o, Java v\u1eabn duy tr\u00ec \u0111\u01b0\u1ee3c s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u1ed1n c\u00f3, n\u00ean c\u00e0ng kh\u1eb3ng \u0111\u1ecbnh \u0111\u01b0\u1ee3c v\u1ecb th\u1ebf v\u1ed1n c\u00f3.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Han_che_cua_Java\"><\/span><strong>H\u1ea1n ch\u1ebf c\u1ee7a Java<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">B\u1ea5t c\u1ee9 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh n\u00e0o c\u0169ng c\u00f3 \u0111i\u1ec3m y\u1ebfu m\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u1ea7n l\u01b0u \u00fd. Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf c\u1ee7a Java:\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nh\u01b0\u1ee3c \u0111i\u1ec3m l\u1edbn nh\u1ea5t c\u1ee7a Java c\u00f3 l\u1ebd l\u00e0 t\u1ed1c \u0111\u1ed9 v\u00e0 hi\u1ec7u su\u1ea5t. Nh\u00ecn chung Java chi\u1ebfm nhi\u1ec1u b\u1ed9 nh\u1edb h\u01a1n so v\u1edbi c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh kh\u00e1c n\u00ean c\u00f3 th\u1ec3 khi\u1ebfn t\u1ed1c \u0111\u1ed9 c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh tr\u1edf n\u00ean ch\u1eadm h\u01a1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u00f9 Java kh\u00f4ng qu\u00e1 kh\u00f3 h\u1ecdc, c\u00e1c d\u00f2ng code c\u1ee7a ng\u00f4n ng\u1eef n\u00e0y c\u00f3 th\u1ec3 tr\u1edf n\u00ean d\u00e0i d\u00f2ng v\u00e0 ph\u1ee9c t\u1ea1p m\u1ed9t c\u00e1ch kh\u00f4ng c\u1ea7n thi\u1ebft.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tr\u00ecnh t\u1ea1o <\/span><span style=\"font-weight: 400;\">Giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng (GUI)<\/span><span style=\"font-weight: 400;\"> c\u1ee7a Java kh\u00e1 \u00edt.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_thuong_gap_ve_Java_la_gi\"><\/span><strong>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Java l\u00e0 g\u00ec<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><strong>Java l\u00e0 g\u00ec?<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">Java l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng (OOP), d\u1ef1a tr\u00ean l\u1edbp (class-based) v\u00e0 \u0111\u1ed9c l\u1eadp v\u1edbi n\u1ec1n t\u1ea3ng.<\/span><\/p>\n<h3><strong>\u1ee8ng d\u1ee5ng c\u1ee7a Java l\u00e0 g\u00ec?<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">Java \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u1eadp tr\u00ecnh c\u00e1c \u1ee9ng d\u1ee5ng web, \u0111i\u1ec7n tho\u1ea1i, game, v\u00e0 c\u00e1c thi\u1ec7t b\u1ecb IoT. Nhi\u1ec1u t\u1eadp \u0111o\u00e0n l\u1edbn tin t\u01b0\u1edfng v\u00e0 s\u1eed d\u1ee5ng Java nh\u01b0 Microsoft hay Tesla.<\/span><\/p>\n<h3><strong>H\u1ecdc Java c\u00f3 th\u1ec3 l\u00e0m nh\u1eefng v\u1ecb tr\u00ed n\u00e0o?<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">L\u00e0 m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh linh ho\u1ea1t v\u00e0 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i, ng\u01b0\u1eddi h\u1ecdc Java c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh l\u1eadp tr\u00ecnh vi\u00ean c\u00e1c trang web, \u1ee9ng d\u1ee5ng \u0111i\u1ec7n tho\u1ea1i. \u0110\u1ed3ng th\u1eddi, c\u00f3 h\u1ed9i cho m\u1ed9t l\u1eadp tr\u00ecnh vi\u00ean Java EE c\u0169ng r\u1ea5t r\u1ed9ng m\u1edf v\u00ec \u0111\u00e2y l\u00e0 v\u1ecb tr\u00ed ph\u1ee5 tr\u00e1ch cho c\u00e1c ph\u1ea7n m\u1ec1m doanh nghi\u1ec7p.\u00a0<\/span><\/p>\n<h3><strong>Java v\u00e0 JavaScript c\u00f3 kh\u00e1c nhau kh\u00f4ng? N\u1ebfu c\u00f3 th\u00ec hai ng\u00f4n ng\u1eef n\u00e0y kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">Trong th\u1ebf gi\u1edbi c\u1ee7a c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh, c\u00f3 2 c\u00e1i t\u00ean d\u1ec5 khi\u1ebfn nh\u1eefng l\u1eadp tr\u00ecnh vi\u00ean m\u1edbi v\u00e0o ngh\u1ec1 b\u1ed1i r\u1ed1i, \u0111\u00f3 ch\u00ednh l\u00e0 Java v\u00e0 JavaScript. T\u00ean g\u1ecdi gi\u1ed1ng nhau l\u00e0 v\u1eady, nh\u01b0ng \u0111i\u1ec3m chung duy nh\u1ea5t gi\u1eefa ch\u00fang c\u00f3 l\u1ebd ch\u1ec9 l\u00e0 c\u1ee5m t\u00ean \u201cJava\u201d.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u1ed9t c\u00e1ch ng\u1eafn g\u1ecdn nh\u1ea5t, Java l\u00e0 ng\u00f4n ng\u1eef bi\u00ean d\u1ecbch v\u00e0 c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng code. Trong khi \u0111\u00f3, JavaScript ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 ng\u00f4n ng\u1eef th\u00f4ng d\u1ecbch v\u00e0 kh\u00f4ng th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng code.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n, b\u1ea1n c\u00f3 th\u1ec3 t\u00ecm \u0111\u1ecdc b\u00e0i vi\u1ebft c\u1ee7a ITviec v\u1ec1 <a href=\"https:\/\/itviec.com\/blog\/javascript-la-gi\/\" target=\"_blank\" rel=\"noopener\">JavaScript<\/a>.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tong_ket_Java_la_gi\"><\/span><strong>T\u1ed5ng k\u1ebft Java l\u00e0 g\u00ec<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Qua b\u00e0i vi\u1ebft tr\u00ean, ITviec \u0111\u00e3 gi\u00fap ng\u01b0\u1eddi \u0111\u1ecdc hi\u1ec3u th\u00eam v\u1ec1 Java l\u00e0 g\u00ec, c\u0169ng nh\u01b0 gi\u1ea3i \u0111\u00e1p c\u00e1c th\u1eafc m\u1eafc li\u00ean quan \u0111\u1ebfn c\u00fa ph\u00e1p Java c\u01a1 b\u1ea3n, c\u00f4ng c\u1ee5 l\u1eadp tr\u00ecnh Java, v\u00e0 ph\u00e2n t\u00edch c\u00e1c m\u1eb7t \u01b0u &#8211; nh\u01b0\u1ee3c c\u1ee7a ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Java.<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" class=\"sp-no-webp wp-image-5668 aligncenter sp-no-webp entered lazyloaded\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2.png\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2-200x200.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2-60x60.png 60w\" alt=\"robby-2\" width=\"300\" height=\"300\" data-lazy-src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2.png\" data-lazy-sizes=\"(max-width: 300px) 100vw, 300px\" data-lazy-srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2-200x200.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2-60x60.png 60w\" data-ll-status=\"loaded\" \/><\/figure>\n<\/div>\n<p id=\"block-bdf220a1-3635-4794-9101-81d879939b92\" class=\"has-text-align-center\" style=\"text-align: center;\"><strong>B\u1ea1n th\u1ea5y b\u00e0i vi\u1ebft hay v\u00e0 h\u1eefu \u00edch? \u0110\u1eebng ng\u1ea1i Share v\u1edbi b\u1ea1n b\u00e8 v\u00e0 \u0111\u1ed3ng nghi\u1ec7p nh\u00e9.<\/strong><\/p>\n<p id=\"block-a1315aab-406f-48df-97fc-6b9584e6e134\" class=\"has-text-align-center\" style=\"text-align: center;\"><strong>V\u00e0 nhanh tay tham kh\u1ea3o\u00a0<a href=\"http:\/\/itviec.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">vi\u1ec7c l\u00e0m IT<\/a>\u00a0\u201cch\u1ea5t\u201d tr\u00ean ITviec<\/strong>!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java l\u00e0 m\u1ed9t trong nh\u1eefng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay. L\u00fd do \u0111\u1eb1ng sau s\u1ef1 ph\u1ed5 bi\u1ebfn c\u1ee7a Java l\u00e0 g\u00ec? \u0110\u00e2y c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh d\u1ec5 h\u1ecdc v\u00e0 n\u00ean h\u1ecdc kh\u00f4ng? C\u00f2n th\u00eam nh\u1eefng \u0111i\u1ec1u g\u00ec n\u1eefa m\u00e0 b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 Java? B\u00e0i vi\u1ebft n\u00e0y [&hellip;]<\/p>\n","protected":false},"author":210,"featured_media":64545,"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-64107","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 v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Java l\u00e0 g\u00ec? T\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 ng\u00f4n ng\u1eef Java - ITviec Blog<\/title>\n<meta name=\"description\" content=\"Java l\u00e0 g\u00ec? Hi\u1ec3u r\u00f5 v\u1ec1 Java - m\u1ed9t trong nh\u1eefng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u1ec3 trau d\u1ed3i ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng v\u00e0 m\u1edf r\u1ed9ng c\u01a1 h\u1ed9i vi\u1ec7c l\u00e0m.\" \/>\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\/java-la-gi\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java l\u00e0 g\u00ec? T\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 ng\u00f4n ng\u1eef Java\" \/>\n<meta property=\"og:description\" content=\"Java l\u00e0 m\u1ed9t trong nh\u1eefng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay. L\u00fd do \u0111\u1eb1ng sau s\u1ef1 ph\u1ed5 bi\u1ebfn c\u1ee7a Java l\u00e0 g\u00ec? \u0110\u00e2y c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh d\u1ec5 h\u1ecdc\" \/>\n<meta property=\"og:url\" content=\"https:\/\/itviec.com\/blog\/java-la-gi\/\" \/>\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=\"2024-03-18T02:15:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/Thumbnail-Java-vippro.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"790\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Qu\u1ef3nh Ph\u1ea1m\" \/>\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=\"Qu\u1ef3nh Ph\u1ea1m\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"12 ph\u00fat\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Java l\u00e0 g\u00ec? T\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 ng\u00f4n ng\u1eef Java - ITviec Blog","description":"Java l\u00e0 g\u00ec? Hi\u1ec3u r\u00f5 v\u1ec1 Java - m\u1ed9t trong nh\u1eefng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u1ec3 trau d\u1ed3i ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng v\u00e0 m\u1edf r\u1ed9ng c\u01a1 h\u1ed9i vi\u1ec7c l\u00e0m.","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\/java-la-gi\/","og_locale":"vi_VN","og_type":"article","og_title":"Java l\u00e0 g\u00ec? T\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 ng\u00f4n ng\u1eef Java","og_description":"Java l\u00e0 m\u1ed9t trong nh\u1eefng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay. L\u00fd do \u0111\u1eb1ng sau s\u1ef1 ph\u1ed5 bi\u1ebfn c\u1ee7a Java l\u00e0 g\u00ec? \u0110\u00e2y c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh d\u1ec5 h\u1ecdc","og_url":"https:\/\/itviec.com\/blog\/java-la-gi\/","og_site_name":"ITviec Blog","article_publisher":"https:\/\/www.facebook.com\/ITviec","article_published_time":"2024-03-18T02:15:11+00:00","og_image":[{"width":1500,"height":790,"url":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/Thumbnail-Java-vippro.png","type":"image\/png"}],"author":"Qu\u1ef3nh Ph\u1ea1m","twitter_card":"summary_large_image","twitter_creator":"@ITviec","twitter_site":"@ITviec","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"Qu\u1ef3nh Ph\u1ea1m","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"12 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/itviec.com\/blog\/java-la-gi\/#article","isPartOf":{"@id":"https:\/\/itviec.com\/blog\/java-la-gi\/"},"author":{"name":"Qu\u1ef3nh Ph\u1ea1m","@id":"https:\/\/itviec.com\/blog\/#\/schema\/person\/c52102280a5b0e14da48e5d9a97ef07b"},"headline":"Java l\u00e0 g\u00ec? T\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 ng\u00f4n ng\u1eef Java","datePublished":"2024-03-18T02:15:11+00:00","mainEntityOfPage":{"@id":"https:\/\/itviec.com\/blog\/java-la-gi\/"},"wordCount":3154,"publisher":{"@id":"https:\/\/itviec.com\/blog\/#organization"},"image":{"@id":"https:\/\/itviec.com\/blog\/java-la-gi\/#primaryimage"},"thumbnailUrl":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/Thumbnail-Java-vippro.png","articleSection":["Chuy\u00ean m\u00f4n IT"],"inLanguage":"vi"},{"@type":"WebPage","@id":"https:\/\/itviec.com\/blog\/java-la-gi\/","url":"https:\/\/itviec.com\/blog\/java-la-gi\/","name":"Java l\u00e0 g\u00ec? T\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 ng\u00f4n ng\u1eef Java - ITviec Blog","isPartOf":{"@id":"https:\/\/itviec.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/itviec.com\/blog\/java-la-gi\/#primaryimage"},"image":{"@id":"https:\/\/itviec.com\/blog\/java-la-gi\/#primaryimage"},"thumbnailUrl":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/Thumbnail-Java-vippro.png","datePublished":"2024-03-18T02:15:11+00:00","description":"Java l\u00e0 g\u00ec? Hi\u1ec3u r\u00f5 v\u1ec1 Java - m\u1ed9t trong nh\u1eefng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u1ec3 trau d\u1ed3i ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng v\u00e0 m\u1edf r\u1ed9ng c\u01a1 h\u1ed9i vi\u1ec7c l\u00e0m.","breadcrumb":{"@id":"https:\/\/itviec.com\/blog\/java-la-gi\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/itviec.com\/blog\/java-la-gi\/"]}]},{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/itviec.com\/blog\/java-la-gi\/#primaryimage","url":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/Thumbnail-Java-vippro.png","contentUrl":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/Thumbnail-Java-vippro.png","width":1500,"height":790},{"@type":"BreadcrumbList","@id":"https:\/\/itviec.com\/blog\/java-la-gi\/#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":"Java l\u00e0 g\u00ec? T\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 ng\u00f4n ng\u1eef Java"}]},{"@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\/c52102280a5b0e14da48e5d9a97ef07b","name":"Qu\u1ef3nh Ph\u1ea1m","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/pham-hai-quynh-author-e1709892202323-100x100.jpg","url":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/pham-hai-quynh-author-e1709892202323-100x100.jpg","contentUrl":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/pham-hai-quynh-author-e1709892202323-100x100.jpg","caption":"Qu\u1ef3nh Ph\u1ea1m"},"url":"https:\/\/itviec.com\/blog\/author\/quynh-pham\/"}]}},"_links":{"self":[{"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/posts\/64107","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\/210"}],"replies":[{"embeddable":true,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/comments?post=64107"}],"version-history":[{"count":0,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/posts\/64107\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/media\/64545"}],"wp:attachment":[{"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/media?parent=64107"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/categories?post=64107"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/tags?post=64107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}