{"id":65006,"date":"2024-05-09T18:13:05","date_gmt":"2024-05-09T11:13:05","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=65006"},"modified":"2024-05-09T18:13:05","modified_gmt":"2024-05-09T11:13:05","slug":"java-developer","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/java-developer\/","title":{"rendered":"Java Developer: Nhi\u1ec7m v\u1ee5, k\u1ef9 n\u0103ng v\u00e0 l\u1ed9 tr\u00ecnh s\u1ef1 nghi\u1ec7p"},"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\/java-developer\/#Java_Developer_la_gi\" >Java Developer 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-developer\/#Nhung_cong_viec_chinh_cua_mot_Java_Developer\" >Nh\u1eefng c\u00f4ng vi\u1ec7c ch\u00ednh c\u1ee7a m\u1ed9t Java Developer\u00a0<\/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-developer\/#Cac_ky_nang_chuyen_mon_ma_Java_Developer_can_co\" >C\u00e1c k\u1ef9 n\u0103ng chuy\u00ean m\u00f4n m\u00e0 Java Developer c\u1ea7n c\u00f3<\/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-developer\/#Cac_ky_nang_mem_ma_Java_Developer_can_co\" >C\u00e1c k\u1ef9 n\u0103ng m\u1ec1m m\u00e0 Java Developer c\u1ea7n c\u00f3<\/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-developer\/#Cac_chung_chi_nen_co_khi_hoc_Java\" >C\u00e1c ch\u1ee9ng ch\u1ec9 n\u00ean c\u00f3 khi h\u1ecdc Java<\/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-developer\/#Lo_trinh_phat_trien_su_nghiep_cua_mot_Java_Developer\" >L\u1ed9 tr\u00ecnh ph\u00e1t tri\u1ec3n s\u1ef1 nghi\u1ec7p c\u1ee7a m\u1ed9t Java Developer<\/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-developer\/#Muc_luong_cua_Java_Developer\" >M\u1ee9c l\u01b0\u01a1ng c\u1ee7a Java Developer<\/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-developer\/#Cac_buoc_de_tro_thanh_mot_Java_Developer\" >C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 tr\u1edf th\u00e0nh m\u1ed9t Java Developer<\/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-developer\/#Cau_hoi_thuong_gap_ve_Java_Developer\" >C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Java Developer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/itviec.com\/blog\/java-developer\/#Tong_ket\" >T\u1ed5ng k\u1ebft<\/a><\/li><\/ul><\/nav><\/div>\n<p><em><strong>C\u00f3 nhi\u1ec1u y\u1ebfu t\u1ed1 t\u1ea1o n\u00ean s\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a m\u1ed9t Java Developer, t\u1eeb ki\u1ebfn th\u1ee9c, k\u1ef9 n\u0103ng c\u1ee9ng, k\u1ef9 n\u0103ng m\u1ec1m, \u0111\u1ebfn vi\u1ec7c s\u1edf h\u1eefu nh\u1eefng ch\u1ee9ng ch\u1ec9 c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00f3 th\u1ec3 th\u0103ng ti\u1ebfn t\u1ed1t nh\u1ea5t trong l\u1ed9 tr\u00ecnh s\u1ef1 nghi\u1ec7p c\u1ee7a m\u00ecnh. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn t\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft \u0111\u1ec3 theo \u0111u\u1ed5i s\u1ef1 nghi\u1ec7p Java Developer.<\/strong><\/em><\/p>\n<p>\u0110\u1ecdc b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 hi\u1ec3u r\u00f5:<\/p>\n<ul>\n<li>Java Developer l\u00e0 l\u00e0m g\u00ec? C\u00f3 th\u1ec3 \u0111\u1ea3m nh\u1eadn nh\u1eefng vai tr\u00f2 n\u00e0o trong team?<\/li>\n<li>C\u00e1c k\u1ef9 n\u0103ng chuy\u00ean m\u00f4n &amp; k\u1ef9 n\u0103ng m\u1ec1m c\u1ea7n c\u00f3 c\u1ee7a Java Developer<\/li>\n<li>Nh\u1eefng ch\u1ee9ng ch\u1ec9 h\u1eefu \u00edch cho s\u1ef1 nghi\u1ec7p l\u1eadp tr\u00ecnh Java<\/li>\n<li>C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 tr\u1edf th\u00e0nh Java Developer<\/li>\n<li>L\u1ed9 tr\u00ecnh ph\u00e1t tri\u1ec3n s\u1ef1 nghi\u1ec7p v\u00e0 m\u1ee9c l\u01b0\u01a1ng theo s\u1ed1 n\u0103m kinh nghi\u1ec7m<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Java_Developer_la_gi\"><\/span><strong>Java Developer l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Java Developer l\u00e0 chuy\u00ean gia s\u1eed d\u1ee5ng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Java \u0111\u1ec3 x\u00e2y d\u1ef1ng v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c \u1ee9ng d\u1ee5ng, ph\u1ea7n m\u1ec1m, h\u1ec7 th\u1ed1ng ho\u1eb7c trang web. Java Developer c\u00f3 hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c nguy\u00ean t\u1eafc l\u1eadp tr\u00ecnh, c\u00fa ph\u00e1p Java v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a <a href=\"https:\/\/itviec.com\/blog\/oop-la-gi\/\" target=\"_blank\" rel=\"noopener\">l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng<\/a>.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">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. C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh n\u00e0y l\u00e0 t\u00ednh \u0111a n\u1ec1n t\u1ea3ng v\u00e0 <\/span><span style=\"font-weight: 400;\">h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng (Object-oriented)<\/span><span style=\"font-weight: 400;\">. Java l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi nhi\u1ec1u t\u00ean tu\u1ed5i l\u1edbn trong ng\u00e0nh c\u00f4ng ngh\u1ec7 nh\u01b0 PAYPAL, NASA hay LinkedIn.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, nhi\u1ec7m v\u1ee5 c\u1ee7a m\u1ed9t Java Developer c\u00f2n bao g\u1ed3m vi\u1ec7c ph\u1ed1i h\u1ee3p v\u1edbi c\u00e1c ph\u00f2ng ban kh\u00e1c nh\u01b0 QA \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a s\u1ea3n ph\u1ea9m, nh\u00f3m thi\u1ebft k\u1ebf UI\/ UX \u0111\u1ec3 t\u00edch h\u1ee3p c\u00e1c ch\u1ee9c n\u0103ng backend v\u1edbi giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng, v\u00e0 qu\u1ea3n l\u00fd d\u1ef1 \u00e1n \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 y\u00eau c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Nhung_cong_viec_chinh_cua_mot_Java_Developer\"><\/span><span style=\"font-weight: 400;\"><strong>Nh\u1eefng c\u00f4ng vi\u1ec7c ch\u00ednh c\u1ee7a m\u1ed9t Java Developer<\/strong>\u00a0<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">M\u1ed9t Java Developer c\u00f3 th\u1ec3 \u0111\u1ea3m nhi\u1ec7m vai tr\u00f2 c\u1ee7a m\u1ed9t k\u1ef9 s\u01b0 ph\u1ea7n m\u1ec1m, l\u1eadp tr\u00ecnh vi\u00ean back end, l\u1eadp tr\u00ecnh vi\u00ean \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng (mobile app) hay l\u1eadp tr\u00ecnh web.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tuy nhi\u00ean, c\u00f4ng vi\u1ec7c c\u1ee7a Java Developer <strong>t\u1eadp trung nhi\u1ec1u h\u01a1n v\u00e0o ph\u1ea7n back end<\/strong> nh\u01b0: x\u1eed l\u00fd c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn logic, d\u1eef li\u1ec7u v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a \u1ee9ng d\u1ee5ng ho\u1eb7c trang web.<\/span><\/p>\n<blockquote><p><em><span style=\"font-weight: 400;\">Backend ch\u1ec9 c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 ch\u01b0\u01a1ng tr\u00ecnh ch\u1ee9a code v\u00e0 d\u1eef li\u1ec7u v\u1eadn h\u00e0nh h\u1ec7 th\u1ed1ng m\u00e0 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng th\u1ec3 truy c\u1eadp. Frontend ch\u1ec9 nh\u1eefng g\u00ec ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y v\u00e0 t\u01b0\u01a1ng t\u00e1c \u0111\u01b0\u1ee3c, t\u1ee9c giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng v\u1edbi c\u00e1c n\u00fat, trang web, v\u00e0 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c nh\u1eadp tr\u1ef1c ti\u1ebfp t\u1eeb ng\u01b0\u1eddi d\u00f9ng.\u00a0<\/span><\/em><\/p><\/blockquote>\n<p><strong>C\u1ee5 th\u1ec3, c\u00f4ng vi\u1ec7c c\u1ee7a Java Developer li\u00ean quan \u0111\u1ebfn back end l\u00e0:<\/strong><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>S\u1eed d\u1ee5ng th\u00e0nh th\u1ea1o Java framework:<\/strong> <\/span><a href=\"https:\/\/itviec.com\/blog\/spring-framework-la-gi\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Spring<\/span><\/a><span style=\"font-weight: 400;\">, Hibernates, Struts \u0111\u1ec1u l\u00e0 nh\u1eefng Java framework \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng v\u00ec ch\u00fang cung c\u1ea5p s\u1eb5n c\u00e1c m\u00f4-\u0111un v\u00e0 th\u00e0nh ph\u1ea7n x\u1eed l\u00fd c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u, b\u1ea3o \u0111\u1ea3m an ninh v\u00e0 ph\u00e1t tri\u1ec3n <\/span><span style=\"font-weight: 400;\">REST APIs<\/span><span style=\"font-weight: 400;\">. C\u00e1c framework n\u00e0y gi\u00fap cho c\u00f4ng vi\u1ec7c c\u1ee7a m\u1ed9t Java Developer tr\u1edf n\u00ean \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u su\u1ea5t h\u01a1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Tri\u1ec3n khai M\u00f4i Tr\u01b0\u1eddng Ph\u00e1t Tri\u1ec3n T\u00edch H\u1ee3p<\/strong> (<\/span><a href=\"https:\/\/itviec.com\/blog\/ide-la-gi\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">IDEs<\/span><\/a><span style=\"font-weight: 400;\">): V\u1edbi IDE, c\u00e1c Java Developer c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nh\u1eefng b\u1ed9 c\u00f4ng c\u1ee5 giao di\u1ec7n \u0111\u1ec3 \u0111\u1ea9y nhanh hi\u1ec7u su\u1ea5t l\u1eadp tr\u00ecnh ch\u01b0\u01a1ng tr\u00ecnh Java. C\u1ee5 th\u1ec3 h\u01a1n, c\u00e1c Java IDE ph\u1ed5 bi\u1ebfn nh\u01b0 IntelliJ IDEA hay Netbeans cung c\u1ea5p c\u00e1c ch\u1ee9c n\u0103ng th\u00f4ng minh nh\u01b0 t\u1ef1 \u0111\u1ed9ng ho\u00e0n th\u00e0nh code, ki\u1ec3m l\u1ed7i v\u00e0 g\u1ee1 l\u1ed7i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ph\u00e1t tri\u1ec3n chuy\u00ean bi\u1ec7t<\/strong>: Nh\u1eefng c\u00f4ng c\u1ee5 chuy\u00ean bi\u1ec7t nh\u01b0 Maven, Ant hay Gradle h\u1ed7 tr\u1ee3 \u0111\u01a1n gi\u1ea3n ho\u00e1 vi\u1ec7c l\u1eadp tr\u00ecnh, qu\u1ea3n l\u00fd ph\u1ee5 thu\u1ed9c (dependency management) v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 \u0111\u1ea7u vi\u1ec7c kh\u00e1c, c\u1ee5 th\u1ec3 h\u01a1n, c\u1ee7a c\u00e1c Java Developer c\u00f3 th\u1ec3 g\u1ed3m c\u00f3:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00f4ng vi\u1ec7c front end: thi\u1ebft k\u1ebf giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng th\u00e2n thi\u1ec7n v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng b\u1eb1ng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh web nh\u01b0 HTML hay CSS.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1ea1o ra v\u00e0 k\u1ebft n\u1ed1i c\u00e1c l\u1edbp (layer) nh\u01b0 l\u1edbp m\u00e1y ch\u1ee7 web (web server), m\u00e1y ch\u1ee7 \u1ee9ng d\u1ee5ng (application server) v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1ea3m b\u1ea3o \u1ee9ng d\u1ee5ng an to\u00e0n v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng, c\u0169ng nh\u01b0 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u kh\u00e1c c\u1ee7a kh\u00e1ch h\u00e0ng v\u1ec1 qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u (b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 MySQL Workbench, Apache Casandra)\u00a0 v\u00e0 hi\u1ec3u v\u1ec1 b\u1ed9 nh\u1edb \u0111\u1ec7m v\u00e0 c\u00e2n b\u1eb1ng t\u1ea3i (caching and load balance) b\u1eb1ng s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a HAProxy hay AWS Elastic Load Balancer.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cac_ky_nang_chuyen_mon_ma_Java_Developer_can_co\"><\/span><strong>C\u00e1c k\u1ef9 n\u0103ng chuy\u00ean m\u00f4n m\u00e0 Java Developer c\u1ea7n c\u00f3<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">V\u1edbi nh\u1eefng c\u00f4ng vi\u1ec7c c\u1ee5 th\u1ec3 nh\u01b0 v\u1eady, m\u1ed7i Java Developer c\u1ea7n trang b\u1ecb cho m\u00ecnh 9 k\u0129 n\u0103ng c\u1ee9ng sau.<\/span><\/p>\n<h3><strong>Ki\u1ebfn th\u1ee9c c\u1ed1t l\u00f5i c\u1ee7a Java (Core Java)<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">M\u1ed9t Java Developer th\u00e0nh c\u00f4ng l\u00e0 m\u1ed9t ng\u01b0\u1eddi n\u1eafm ch\u1eafc nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 nguy\u00ean t\u1eafc l\u1eadp tr\u00ecnh Java.\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>K\u1ef9 n\u0103ng l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng (Object oriented programming):<\/strong> Khi n\u1eafm \u0111\u01b0\u1ee3c c\u00e1c nguy\u00ean t\u1eafc l\u1eadp tr\u00ecnh OOP nh\u01b0: t\u00ednh k\u1ebf th\u1eeba (inheritance), \u0111\u00f3ng g\u00f3i (encapsulation), tr\u1eebu t\u01b0\u1ee3ng (abstraction) v\u00e0 \u0111a h\u00ecnh (polymophism), l\u1eadp tr\u00ecnh vi\u00ean c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ea3o to\u00e0n c\u1ee7a code.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>M\u1eabu thi\u1ebft k\u1ebf (<a href=\"https:\/\/itviec.com\/blog\/design-pattern\/\" target=\"_blank\" rel=\"noopener\">design pattern<\/a>) trong Java<\/strong>: bao g\u1ed3m c\u00e1c gi\u1ea3i ph\u00e1p c\u01a1 b\u1ea3n \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p trong qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf ph\u1ea7n m\u1ec1m. M\u1ed7i m\u1eabu thi\u1ebft k\u1ebf \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t b\u1ea3n thi\u1ebft k\u1ebf c\u00f3 s\u1eb5n \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 m\u1eb7t thi\u1ebft k\u1ebf code trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n m\u00f4-\u0111un ph\u1ea7n m\u1ec1m.<\/span><\/li>\n<\/ul>\n<blockquote><p><em>T\u00ecm hi\u1ec3u th\u00eam: <strong><a href=\"https:\/\/itviec.com\/blog\/java-la-gi\/\" target=\"_blank\" rel=\"noopener\">Java l\u00e0 g\u00ec v\u00e0 c\u00e1c thu\u1eadt ng\u1eef c\u01a1 b\u1ea3n<\/a><\/strong><\/em><\/p><\/blockquote>\n<h3><strong>C\u00f4ng c\u1ee5 X\u00e2y d\u1ef1ng Java (Java Build Tools)<\/strong><\/h3>\n<p>Hi\u1ec3u bi\u1ebft ng\u00f4n ng\u1eef c\u1ee7a c\u00e1c c\u00f4ng c\u1ee5 x\u00e2y d\u1ef1ng r\u1ea5t h\u1eefu \u00edch cho Java Developer, v\u00ec \u0111\u00e2y l\u00e0 c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh t\u1ef1 \u0111\u1ed9ng h\u00f3a vi\u1ec7c t\u1ea1o c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c thi t\u1eeb m\u00e3 ngu\u1ed3n. Maven v\u00e0 Gradle l\u00e0 hai c\u00f4ng c\u1ee5 x\u00e2y d\u1ef1ng m\u00e0 Java Developer c\u1ea7n th\u00e0nh th\u1ea1o.<\/p>\n<h3><strong>C\u00f4ng ngh\u1ec7 Web<\/strong><\/h3>\n<p>C\u00f4ng ngh\u1ec7 web gi\u00fap vi\u1ec7c t\u1ea1o n\u1ed9i dung web \u0111\u1ed9ng tr\u1edf n\u00ean d\u1ec5 d\u00e0ng v\u00e0 nhanh ch\u00f3ng. Hi\u1ec3u c\u00e1c kh\u00e1i ni\u1ec7m li\u00ean quan \u0111\u1ebfn c\u00f4ng ngh\u1ec7 web nh\u01b0 HTML, CSS, JQuery gi\u00fap Java Developer n\u1eafm r\u00f5 h\u01a1n v\u1ec1 vi\u1ec7c thi\u1ebft l\u1eadp giao ti\u1ebfp gi\u1eefa nhi\u1ec1u h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh th\u00f4ng qua ng\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u. Vi\u1ec7c thi\u1ebft l\u1eadp n\u00e0y cho ph\u00e9p giao ti\u1ebfp v\u1edbi m\u00e1y ch\u1ee7 \u0111\u1ec3 l\u1ea5y th\u00f4ng tin, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1ch c\u00e1c trang web ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<h3><strong>Java web framework<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">Nh\u1eefng framework Java nh\u01b0 Spring MVC hay Play h\u1ed7 tr\u1ee3 t\u1ea1o c\u00e1c \u1ee9ng d\u1ee5ng web v\u00e0 \u0111i\u1ec7n tho\u1ea1i m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 ti\u1ec7n l\u1ee3i.<\/span><\/p>\n<h3><strong>B\u1ed9 ch\u1ee9a \u1ee9ng d\u1ee5ng Java (Java Application Containers)<\/strong><\/h3>\n<p>B\u1ed9 ch\u1ee9a \u1ee9ng d\u1ee5ng Java l\u00e0 m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh \u1ee9ng d\u1ee5ng, n\u01a1i ch\u1ea1y th\u00e0nh ph\u1ea7n <span style=\"font-weight: 400;\">(component) c\u1ee7a ph\u1ea7n m\u1ec1m. <\/span>C\u00e1c b\u1ed9 ch\u1ee9a \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 th\u1ef1c hi\u1ec7n nhi\u1ec1u t\u00e1c v\u1ee5 kh\u00e1c nhau nh\u01b0 x\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng, ghi nh\u1eadt k\u00fd v\u00e0 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i c\u01a1 s\u1edf d\u1eef li\u1ec7u. JBoss v\u00e0 Jetty l\u00e0 hai b\u1ed9 ch\u1ee9a \u1ee9ng d\u1ee5ng Java \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng.<\/p>\n<h3><strong>C\u00f4ng c\u1ee5 ki\u1ec3m th\u1eed<\/strong><\/h3>\n<p>Selenium v\u00e0 TestNG l\u00e0 hai c\u00f4ng c\u1ee5 ki\u1ec3m th\u1eed Java h\u1eefu \u00edch m\u00e0 l\u1eadp tr\u00ecnh vi\u00ean n\u00ean bi\u1ebft c\u00e1ch s\u1eed d\u1ee5ng. <span style=\"font-weight: 400;\">C\u00e1c ho\u1ea1t \u0111\u1ed9ng ki\u1ec3m th\u1eed \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 g\u1ed3m c\u00f3 t\u1ea1o ra k\u1ebf ho\u1ea1ch v\u00e0 y\u00eau c\u1ea7u ki\u1ec3m th\u1eed, th\u1ef1c thi, ghi l\u1ea1i l\u1ed7i ph\u00e2n t\u00edch,&#8230; <\/span><\/p>\n<p>Ngo\u00e0i ra, c\u00e1c c\u00f4ng c\u1ee5 ki\u1ec3m th\u1eed \u0111\u01a1n v\u1ecb nh\u01b0 JUnit, TestNg s\u1ebd h\u1eefu \u00edch khi \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n m\u1edf r\u1ed9ng, c\u1ea7n vi\u1ebft c\u00e1c b\u00e0i ki\u1ec3m tra t\u1ef1 \u0111\u1ed9ng nhanh h\u01a1n, v\u1edbi c\u00fa ph\u00e1p \u0111\u01a1n gi\u1ea3n v\u00e0 ph\u1ea3n h\u1ed3i nhanh ch\u00f3ng v\u1ec1 c\u00e1c b\u00e0i test \u0111\u00e3 v\u01b0\u1ee3t qua. Java Developer c\u1ea7n c\u00f3 ki\u1ebfn th\u1ee9c chuy\u00ean s\u00e2u v\u1ec1 m\u1ed9t trong s\u1ed1 c\u00e1c c\u00f4ng c\u1ee5 ki\u1ec3m th\u1eed n\u00e0y.<\/p>\n<h3><strong>Big Data (D\u1eef li\u1ec7u l\u1edbn)<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">Big Data \u0111\u00e3 tr\u1edf th\u00e0nh ng\u00e0nh c\u00f4ng nghi\u1ec7p &#8220;tri\u1ec7u \u0111\u00f4&#8221; v\u00ec c\u00f3 th\u1ec3 x\u1eed l\u00fd l\u01b0\u1ee3ng d\u1eef li\u1ec7u kh\u1ed5ng l\u1ed3 &#8211; vi\u1ec7c m\u00e0 c\u00e1c ph\u1ea7n m\u1ec1m truy\u1ec1n th\u1ed1ng kh\u00f4ng th\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c. C\u00f3 ki\u1ebfn th\u1ee9c v\u1ec1 Big Data cho ph\u00e9p c\u00e1c Java Developer chi\u1ebft xu\u1ea5t v\u00e0 ph\u00e2n t\u00edch nh\u1eefng b\u1ed9 d\u1eef li\u1ec7u ph\u1ee9c t\u1ea1p. <\/span><span style=\"font-weight: 400;\">Trong \u0111\u00f3 Hadoop v\u00e0 Spark l\u00e0 hai Big Data Framework m\u1ea1nh m\u1ebd v\u00e0 \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng.<\/span><\/p>\n<h3><strong>Th\u00e0nh ph\u1ea7n Java EE\u00a0<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">M\u1ed9t trong nh\u1eefng kh\u00f3 kh\u0103n th\u01b0\u1eddng g\u1eb7p nh\u1ea5t c\u1ee7a c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean l\u00e0m vi\u1ec7c trong doanh nghi\u1ec7p l\u00e0 x\u1eed l\u00fd nh\u1eefng y\u00eau c\u1ea7u \u0111\u1ebfn t\u1eeb kh\u00e1ch h\u00e0ng tr\u00ean web. L\u1eadp tr\u00ecnh vi\u00ean n\u00ean c\u00f3 ki\u1ebfn th\u1ee9c v\u1ec1 Java EE \u0111\u1ec3 gi\u1ea3i quy\u1ebft kh\u00f3 kh\u0103n n\u00e0y. Java EE (bao g\u1ed3m c\u00e1c API c\u1ee7a Servlet v\u00e0 JavaServer Pages) cung c\u1ea5p c\u00e1c c\u00e1ch ghi nh\u1eadt k\u00fd h\u00e0nh \u0111\u1ed9ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng cookie tr\u00ean tr\u00ecnh duy\u1ec7t c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e1c API n\u00e0y \u0111\u01a1n gi\u1ea3n h\u00f3a v\u00e0 cung c\u1ea5p c\u00e2u tr\u1ea3 l\u1eddi t\u1ed1t nh\u1ea5t cho c\u00e1c lo\u1ea1i y\u00eau c\u1ea7u k\u1ec3 tr\u00ean. Servlets, Java Beans v\u00e0 Java Server Pages l\u00e0 m\u1ed9t s\u1ed1 th\u00e0nh ph\u1ea7n Java EE quan tr\u1ecdng m\u00e0 Java Developer c\u1ea7n n\u1eafm r\u00f5.<\/span><\/p>\n<h3><strong>C\u00f4ng c\u1ee5 DevOps<\/strong><\/h3>\n<p>Ki\u1ebfn th\u1ee9c DevOps nh\u01b0: quy tr\u00ecnh t\u00edch h\u1ee3p li\u00ean t\u1ee5c (CI), tri\u1ec3n khai li\u00ean t\u1ee5c (CD) v\u00e0 s\u1ef1 tham gia c\u1ee7a Jenkins v\u00e0o c\u1ea3 hai quy tr\u00ecnh l\u00e0 nh\u1eefng kh\u00e1i ni\u1ec7m quan tr\u1ecdng \u0111\u1ed1i v\u1edbi Java Developer. Ngo\u00e0i ra, n\u1eafm v\u1eefng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 DevOps nh\u01b0 Docker, Chef, Kubernetes, Maven v\u00e0 Jenkins c\u0169ng r\u1ea5t c\u1ea7n thi\u1ebft.<\/p>\n<h3><strong>Qu\u1ea3n l\u00fd Phi\u00ean b\u1ea3n (Version Control)<\/strong><\/h3>\n<p>H\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n (Version Control System) l\u00e0 c\u00e1c c\u00f4ng c\u1ee5 ph\u1ea7n m\u1ec1m h\u1ed7 tr\u1ee3 qu\u1ea3n l\u00fd c\u00e1c thay \u0111\u1ed5i v\u1ec1 m\u00e3 ngu\u1ed3n theo th\u1eddi gian. C\u00f3 nhi\u1ec1u h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n, trong s\u1ed1 \u0111\u00f3 Github, BitBucket, GitLab, BeanStalk l\u00e0 nh\u1eefng c\u00e1i t\u00ean ph\u1ed5 bi\u1ebfn m\u00e0 l\u1eadp tr\u00ecnh vi\u00ean n\u00ean n\u1eafm v\u1eefng.<\/p>\n<h3>Nguy\u00ean t\u1eafc SOLID<\/h3>\n<p>N\u1eafm v\u1eefng <a href=\"https:\/\/itviec.com\/blog\/solid-la-gi\/\" target=\"_blank\" rel=\"noopener\">5 nguy\u00ean t\u1eafc SOLID<\/a> gi\u00fap l\u1eadp tr\u00ecnh vi\u00ean c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec c\u1ee7a \u1ee9ng d\u1ee5ng. M\u1ed9t l\u1eadp tr\u00ecnh vi\u00ean l\u00e0nh ngh\u1ec1 s\u1ebd c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nh\u1eefng nguy\u00ean t\u1eafc n\u00e0y b\u1ea5t c\u1ee9 khi n\u00e0o c\u1ea7n thi\u1ebft.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac_ky_nang_mem_ma_Java_Developer_can_co\"><\/span><strong>C\u00e1c k\u1ef9 n\u0103ng m\u1ec1m m\u00e0 Java Developer c\u1ea7n c\u00f3<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Giao ti\u1ebfp t\u1ed1t, t\u1ee9c kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 truy\u1ec1n t\u1ea3i th\u00f4ng \u0111i\u1ec7p m\u1ed9t c\u00e1ch tr\u00f4i ch\u1ea3y m\u00e0 c\u00f2n l\u00e0 m\u1ed9t ng\u01b0\u1eddi l\u1eafng nghe gi\u1ecfi.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eb5n s\u00e0ng h\u1ecdc h\u1ecfi k\u1ef9 n\u0103ng m\u1edbi: H\u1ecdc, h\u1ecdc n\u1eefa, h\u1ecdc m\u00e3i ch\u00ednh l\u00e0 c\u00e1ch m\u1ed9t Java Developer gi\u1ecfi n\u00e2ng c\u1ea5p b\u1ea3n th\u00e2n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u00e0m vi\u1ec7c nh\u00f3m: M\u1ed9t d\u1ef1 \u00e1n th\u00e0nh c\u00f4ng l\u00e0 m\u1ed9t d\u1ef1 \u00e1n \u0111\u01b0\u1ee3c t\u1ea1o n\u00ean t\u1eeb c\u00f4ng s\u1ee9c c\u1ee7a nhi\u1ec1u ng\u01b0\u1eddi, v\u00ec v\u1eady, k\u1ef9 n\u0103ng l\u00e0m vi\u1ec7c c\u00f9ng \u0111\u1ed3ng nghi\u1ec7p \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng quan tr\u1ecdng.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cac_chung_chi_nen_co_khi_hoc_Java\"><\/span><span style=\"font-weight: 400;\"><strong>C\u00e1c ch\u1ee9ng ch\u1ec9 n\u00ean c\u00f3 khi h\u1ecdc Java<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">S\u1edf h\u1eefu m\u1ed9t ho\u1eb7c nhi\u1ec1u ch\u1ee9ng ch\u1ec9 Java l\u00e0 b\u1eb1ng ch\u1ee9ng ch\u1ee9ng minh ki\u1ebfn th\u1ee9c v\u00e0 chuy\u00ean m\u00f4n c\u1ee7a b\u1ea1n, gi\u00fap b\u1ea1n c\u00f3 nhi\u1ec1u c\u01a1 h\u1ed9i t\u00ecm c\u00f4ng vi\u1ec7c t\u1ed1t h\u01a1n. Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 ch\u1ee9ng ch\u1ec9 Java quan tr\u1ecdng m\u00e0 b\u1ea1n n\u00ean xem x\u00e9t:<\/span><\/p>\n<h3><a href=\"https:\/\/education.oracle.com\/oracle-certified-foundations-associate-java\/trackp_372\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Oracle Certified Foundations Associate, Java<\/span><\/a><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1ee9ng minh hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c ki\u1ebfn th\u1ee9c l\u1eadp tr\u00ecnh Java c\u01a1 b\u1ea3n nh\u01b0:<\/span><span style=\"font-weight: 400;\"> ki\u1ec3u d\u1eef li\u1ec7u Java, string class, c\u00e2u l\u1ec7nh quy\u1ebft \u0111\u1ecbnh, c\u00e2u l\u1ec7nh l\u1eb7p (decision and looping statements),&#8230;<\/span><\/li>\n<\/ul>\n<h3><a href=\"https:\/\/education.oracle.com\/oracle-certified-associate-java-se-8-programmer\/trackp_333\"><span style=\"font-weight: 400;\">Oracle Certified Associate, Java SE 8 Programmer<\/span><\/a><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1ee9ng minh \u0111\u00e3 ho\u00e0n th\u00e0nh c\u00e1c module \u0111\u00e0o t\u1ea1o Java SE 8, c\u00f3 ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 Java v\u00e0 k\u1ef9 n\u0103ng c\u1ea7n thi\u1ebft cho s\u1ef1 nghi\u1ec7p c\u1ee7a m\u1ed9t Java Developer.<\/span><\/li>\n<\/ul>\n<h3><a href=\"https:\/\/education.oracle.com\/oracle-certified-professional-java-se-8-programmer\/trackp_357\"><span style=\"font-weight: 400;\">Oracle Certified Professional, Java SE 8 Programmer<\/span><\/a><\/h3>\n<ul>\n<li><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 ch\u1ee9ng ch\u1ec9 \u1edf c\u1ea5p \u0111\u1ed9 chuy\u00ean gia d\u00e0nh cho nh\u1eefng Java Developer \u0111\u00e3 c\u00f3 kinh nghi\u1ec7m.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u tham gia: c\u00f3 ch\u1ee9ng ch\u1ec9 Oracle Certified Associate Java SE 8 Programmer <\/span><\/span><span style=\"font-weight: 400;\">v\u00e0 ho\u00e0n th\u00e0nh c\u00e1c module \u0111\u00e0o t\u1ea1o Java SE 8 n\u00e2ng cao.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bao g\u1ed3m c\u00e1c ch\u1ee7 \u0111\u1ec1 nh\u01b0 operators, m\u1ea3ng, k\u1ebf th\u1eeba v\u00e0 Java API.<\/span><\/li>\n<\/ul>\n<h3><a href=\"https:\/\/education.oracle.com\/oracle-certified-professional-java-ee-7-application-developer\/trackp_900\"><span style=\"font-weight: 400;\">Oracle Certified Professional, Java EE 7 Application Developer<\/span><\/a><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ee7ng c\u1ed1 k\u1ef9 n\u0103ng trong c\u00f4ng ngh\u1ec7 Java EE 7 cho l\u1eadp tr\u00ecnh vi\u00ean trung c\u1ea5p v\u00e0 cao c\u1ea5p.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00a0Ki\u1ebfn tr\u00fac Java EE, th\u1ef1c th\u1ec3 JPA, Java Message Service API,&#8230;<\/span><\/li>\n<\/ul>\n<h3><a href=\"https:\/\/education.oracle.com\/oracle-certified-professional-java-se-11-developer\/trackp_OCPJAV11\"><span style=\"font-weight: 400;\">Orac<\/span><span style=\"font-weight: 400;\">le Certified Professional, Java SE 11 Developer<\/span><\/a><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 ch\u1ee9ng ch\u1ec9 \u1edf c\u1ea5p \u0111\u1ed9 chuy\u00ean gia d\u00e0nh cho nh\u1eefng Java Developer \u0111\u00e3 c\u00f3 kinh nghi\u1ec7m.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1eadp trung v\u00e0o c\u00e1c ki\u1ebfn th\u1ee9c: l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng, l\u1eadp tr\u00ecnh ch\u1ee9c n\u0103ng (functionality programming) v\u00e0 c\u00e1c ch\u1ee7 \u0111\u1ec1 v\u1ec1 Java SE 11.<\/span><\/li>\n<\/ul>\n<h3><a href=\"https:\/\/education.oracle.com\/java-se-17-developer\/pexam_1Z0-829\"><span style=\"font-weight: 400;\">Oracle Certified Professional, Java SE 17<\/span><\/a><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 ch\u1ee9ng ch\u1ec9 cho th\u1ea5y \u0111\u1ed9 am hi\u1ec3u c\u1ee7a m\u1ed9t l\u1eadp tr\u00ecnh vi\u00ean v\u1ec1 Java SE 17.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u00e1 gi\u1ed1ng ch\u1ee9ng ch\u1ec9 SE 11, \u0111i\u1ec3m kh\u00e1c bi\u1ec7t l\u00e0 ch\u1ee9ng ch\u1ec9 SE 17 y\u00eau c\u1ea7u s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 ph\u1ea7n m\u1ec1m m\u1edbi h\u01a1n.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Lo_trinh_phat_trien_su_nghiep_cua_mot_Java_Developer\"><\/span><strong>L\u1ed9 tr\u00ecnh ph\u00e1t tri\u1ec3n s\u1ef1 nghi\u1ec7p c\u1ee7a m\u1ed9t Java Developer <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Junior Java Developer:<\/strong> Trong giai \u0111o\u1ea1n n\u00e0y, l\u1eadp tr\u00ecnh vi\u00ean t\u1eadp trung h\u1ecdc v\u00e0 n\u00e2ng cao c\u00e1c k\u1ef9 n\u0103ng chuy\u00ean m\u00f4n li\u00ean quan \u0111\u1ebfn Java, \u0111\u1ed3ng th\u1eddi th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 \u0111\u1ea7u vi\u1ec7c \u0111\u01a1n gi\u1ea3n d\u01b0\u1edbi s\u1ef1 h\u01b0\u1edbng d\u1eabn c\u1ee7a c\u1ea5p tr\u00ean.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Middle Java Developer<\/strong>: \u1ede giai \u0111o\u1ea1n n\u00e0y, l\u1eadp tr\u00ecnh vi\u00ean \u0111\u00e3 n\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c v\u1ec1 Java v\u00e0 c\u00f3 th\u1ec3 tham gia ph\u00e1t tri\u1ec3n c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ee9c t\u1ea1p, th\u1eadm ch\u00ed l\u00e0 h\u01b0\u1edbng d\u1eabn m\u1ed9t s\u1ed1 l\u1eadp tr\u00ecnh vi\u00ean junior.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Senior Java Developer<\/strong>: \u0110\u00e2y l\u00e0 l\u00fac b\u1ea1n \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t chuy\u00ean gia trong ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Java, c\u00f3 th\u1ec3 d\u1eabn d\u1eaft c\u00e1c d\u1ef1 \u00e1n l\u1edbn, \u0111\u01b0a ra nh\u1eefng quy\u1ebft \u0111\u1ecbnh quan tr\u1ecdng v\u00e0 h\u1ed7 tr\u1ee3 nh\u00e2n vi\u00ean c\u1ea5p d\u01b0\u1edbi.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Ki\u1ebfn tr\u00fac s\u01b0 ph\u1ea7n m\u1ec1m Java<\/strong>: \u1ede c\u1ea5p \u0111\u1ed9 n\u00e0y, c\u00e1c k\u1ef9 s\u01b0 thi\u1ebft k\u1ebf to\u00e0n b\u1ed9 c\u1ea5u tr\u00fac c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng Java v\u00e0 \u0111\u1ea3m b\u1ea3o b\u1ea3o ch\u00fang an to\u00e0n, m\u1ea1nh m\u1ebd v\u00e0 c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng. C\u00e1c k\u1ef9 s\u01b0 c\u0169ng l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c kh\u00e1ch h\u00e0ng \u0111\u1ec3 hi\u1ec3u h\u01a1n v\u1ec1 y\u00eau c\u1ea7u c\u1ee7a h\u1ecd v\u00e0 bi\u1ebfn y\u00eau c\u1ea7u th\u00e0nh c\u00e1c gi\u1ea3i ph\u00e1p.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Gi\u00e1m \u0111\u1ed1c c\u00f4ng ngh\u1ec7 (CTO)<\/strong>: L\u00e0 m\u1ed9t trong nh\u1eefng m\u1ee9c \u0111\u1ed9 cao nh\u1ea5t trong n\u1ea5c thang s\u1ef1 nghi\u1ec7p, gi\u00e1m \u0111\u1ed1c c\u00f4ng ngh\u1ec7 s\u1ebd gi\u00e1m s\u00e1t chi\u1ebfn l\u01b0\u1ee3c c\u00f4ng ngh\u1ec7 c\u1ee7a c\u00e1c c\u00f4ng ty, l\u00e3nh \u0111\u1ea1o c\u00e1c \u0111\u1ed9i nh\u00f3m v\u00e0 \u0111\u1ea3m b\u1ea3o c\u00e1c gi\u1ea3i ph\u00e1p c\u00f4ng ngh\u1ec7 ph\u00f9 h\u1ee3p v\u1edbi t\u1ea7m nh\u00ecn c\u00f4ng ty.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Muc_luong_cua_Java_Developer\"><\/span>M\u1ee9c l\u01b0\u01a1ng c\u1ee7a Java Developer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">M\u1ee9c l\u01b0\u01a1ng trung v\u1ecb tham kh\u1ea3o c\u1ee7<\/span><span style=\"font-weight: 400;\">a Java Developer<\/span><span style=\"font-weight: 400;\">\u00a0theo s\u1ed1 n\u0103m kinh nghi\u1ec7m (d\u1ef1a tr\u00ean <a href=\"https:\/\/itviec.com\/blog\/bao-cao-luong-it\" target=\"_blank\" rel=\"noopener\"><strong>B\u00e1o c\u00e1o l\u01b0\u01a1ng 2023 &#8211; 2024<\/strong><\/a> c\u1ee7a ITviec):<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kinh nghi\u1ec7m 1-2 n\u0103m: 18 tri\u1ec7u\/ th\u00e1ng<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kinh nghi\u1ec7m 3-4 n\u0103m: 30 tri\u1ec7u\/ th\u00e1ng<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kinh nghi\u1ec7m 5-8 n\u0103m: 45 tri\u1ec7u\/ th\u00e1ng<\/span><\/li>\n<li aria-level=\"1\">Kinh nghi\u1ec7m tr\u00ean 8 n\u0103m: <span style=\"font-weight: 400;\">55,5 tri\u1ec7u\/ th\u00e1ng<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cac_buoc_de_tro_thanh_mot_Java_Developer\"><\/span><strong>C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 tr\u1edf th\u00e0nh m\u1ed9t Java Developer<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">N\u1ebfu l\u00e0 m\u1ed9t ng\u01b0\u1eddi ch\u01b0a bi\u1ebft g\u00ec v\u1ec1 Java v\u00e0 mu\u1ed1n tr\u1edf th\u00e0nh m\u1ed9t Java Developer, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc sau \u0111\u00e2y:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u1ecdc nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 Java. B\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u b\u1eb1ng m\u1ed9t kho\u00e1 h\u1ecdc online ho\u1eb7c t\u00ecm c\u00e1c t\u00e0i li\u1ec7u tr\u00ean m\u1ea1ng \u0111\u1ec3 h\u1ecdc v\u1ec1 c\u00fa ph\u00e1p Java, OOP, c\u1ea5u tr\u00fac, lo\u1ea1i d\u1eef li\u1ec7u\u2026\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tham gia nh\u00f3m c\u1ed9ng \u0111\u1ed3ng Java Developer: C\u00f3 r\u1ea5t nhi\u1ec1u c\u1ed9ng \u0111\u1ed3ng Java Developer tr\u1ef1c tuy\u1ebfn m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 tham gia. \u0110\u00f3 l\u00e0 n\u01a1i m\u1ecdi ng\u01b0\u1eddi chia s\u1ebb ki\u1ebfn th\u1ee9c, kinh nghi\u1ec7m, b\u00e0n b\u1ea1c v\u1ec1 c\u00e1c c\u00f4ng ngh\u1ec7 v\u00e0 xu h\u01b0\u1edbng m\u1edbi nh\u1ea5t c\u0169ng nh\u01b0 h\u1ed7 tr\u1ee3 nhau gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 c\u1ee5 th\u1ec3.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tham gia c\u00e1c d\u1ef1 \u00e1n th\u1ef1c t\u1ebf \u0111\u1ec3 c\u00f3 th\u00eam tr\u1ea3i nghi\u1ec7m. B\u1ea1n c\u00f3 th\u1ec3 th\u00f4ng qua c\u00e1c b\u00e0i t\u1eadp trong l\u1edbp h\u1ecdc, b\u00e0i t\u1eadp online, ho\u1eb7c th\u1ef1c h\u00e0nh qua IDE.\u00a0\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1ef1 t\u1ea1o ra c\u00e1c d\u1ef1 \u00e1n c\u1ee7a ri\u00eang m\u00ecnh. C\u00e1c d\u1ef1 \u00e1n th\u1ef1c t\u1ebf n\u00e0y gi\u00fap b\u1ea1n th\u1ef1c h\u00e0nh v\u00e0 ph\u00e1t tri\u1ec3n chuy\u00ean m\u00f4n s\u00e2u h\u01a1n. \u0110\u00e2y c\u0169ng ch\u00ednh l\u00e0 c\u00e1ch gi\u00fap b\u1ea1n x\u00e2y d\u1ef1ng CV c\u1ee7a m\u00ecnh.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u00e2y d\u1ef1ng m\u1ed1i quan h\u1ec7 v\u1edbi c\u00e1c chuy\u1ec7n gia trong ng\u00e0nh, m\u1edf r\u1ed9ng c\u01a1 h\u1ed9i vi\u1ec7c l\u00e0m, c\u0169ng nh\u01b0 n\u00e2ng cao ki\u1ebfn th\u1ee9c c\u00f4ng ngh\u1ec7 v\u00e0 xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cau_hoi_thuong_gap_ve_Java_Developer\"><\/span>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Java Developer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3>Nh\u01b0 th\u1ebf n\u00e0o l\u00e0 m\u1ed9t Java Developer gi\u1ecfi?<\/h3>\n<p>M\u1ed9t Java Developer gi\u1ecfi l\u00e0 ng\u01b0\u1eddi c\u00f3 hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc v\u1ec1 core Java, n\u1eafm b\u1eaft nh\u1eefng ti\u1ebfn b\u1ed9 m\u1edbi c\u1ee7a Java nh\u01b0 Java 8, JDK 10 v\u00e0 JVM. Ngo\u00e0i ra, c\u1ea7n c\u00f3 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng t\u1ed1t c\u00e1c c\u00f4ng c\u1ee5 kh\u00e1c nhau \u0111\u1ec3 th\u1eed nghi\u1ec7m v\u00e0 tri\u1ec3n khai c\u00e1c \u1ee9ng d\u1ee5ng Java.<\/p>\n<h3>Java Developer l\u00e0m vi\u1ec7c v\u1edbi ai?<\/h3>\n<p>Java Developer l\u00e0 m\u1ed9t c\u00f4ng vi\u1ec7c chuy\u00ean ng\u00e0nh, ch\u1ee7 y\u1ebfu l\u00e0m vi\u1ec7c tr\u00ean c\u00e1c d\u1ecbch v\u1ee5 back end. H\u1ecd c\u1ed9ng t\u00e1c v\u1edbi c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean web, k\u1ef9 s\u01b0 ph\u1ea7n m\u1ec1m v\u00e0 c\u00e1c nh\u00f3m kh\u00e1c nh\u1eb1m n\u00e2ng cao c\u00e1c \u1ee9ng d\u1ee5ng, ph\u1ea7n m\u1ec1m v\u00e0 trang web kinh doanh.<\/p>\n<h3>Java Developer c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t ngh\u1ec1 nghi\u1ec7p t\u1ed1t kh\u00f4ng?<\/h3>\n<p>Java l\u00e0 m\u1ed9t trong nh\u1eefng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ph\u1ed5 bi\u1ebfn, \u0111\u00f3ng vai tr\u00f2 l\u00e0 x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a cu\u1ed9c c\u00e1ch m\u1ea1ng Internet, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ph\u00e1t tri\u1ec3n di \u0111\u1ed9ng, ph\u00e1t tri\u1ec3n back end, gi\u1ea3i ph\u00e1p d\u1ef1a tr\u00ean \u0111\u00e1m m\u00e2y v\u00e0 c\u00e1c l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 th\u1ecbnh h\u00e0nh nh\u01b0 IoT v\u00e0 Big Data. Ng\u00f4n ng\u1eef n\u00e0y \u0111\u01b0\u1ee3c d\u1ef1 \u0111o\u00e1n v\u1eabn s\u1ebd l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u \u1edf c\u00e1c doanh nghi\u1ec7p do c\u00f3 c\u1ed9ng \u0111\u1ed3ng m\u1ea1nh m\u1ebd, h\u1ed7 tr\u1ee3 doanh nghi\u1ec7p t\u1ed1t v\u00e0 m\u1ee9c \u0111\u1ed9 ph\u1ed5 bi\u1ebfn ng\u00e0y c\u00e0ng t\u0103ng c\u1ee7a c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean.<\/p>\n<p>Do \u0111\u00f3, Java Developer hi\u1ec7n nay v\u1eabn l\u00e0 ngh\u1ec1 nghi\u1ec7p c\u00f3 nhi\u1ec1u c\u01a1 h\u1ed9i vi\u1ec7c l\u00e0m t\u1ed1t.<\/p>\n<h3>Java c\u00f3 kh\u00f3 v\u1edbi ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u kh\u00f4ng?<\/h3>\n<p>C\u00e1c nguy\u00ean t\u1eafc Java c\u00f3 th\u1ec3 h\u01a1i ph\u1ee9c t\u1ea1p v\u1edbi nh\u1eefng ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u. Do \u0111\u00f3, n\u1ebfu b\u1ea1n mu\u1ed1n b\u1eaft tay v\u00e0o l\u1eadp tr\u00ecnh m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ea7u t\u01b0 nhi\u1ec1u th\u00ec m\u1ed9t v\u00e0i ng\u00f4n ng\u1eef kh\u00e1c nh\u01b0 Python c\u00f3 th\u1ec3 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n v\u00ec c\u00fa ph\u00e1p \u0111\u01a1n gi\u1ea3n c\u1ee7a n\u00f3. C\u00f2n n\u1ebfu b\u1ea1n \u0111ang theo h\u1ecdc t\u1ea1i c\u00e1c ng\u00e0nh c\u00f4ng ngh\u1ec7 th\u00f4ng tin ho\u1eb7c k\u1ef9 thu\u1eadt m\u00e1y t\u00ednh, b\u1ea1n n\u00ean b\u1eaft \u0111\u1ea7u v\u1edbi Java v\u00ec n\u00f3 s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 ho\u1ea1t \u0111\u1ed9ng c\u1ed1t l\u00f5i c\u1ee7a l\u1eadp tr\u00ecnh.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tong_ket\"><\/span>T\u1ed5ng k\u1ebft<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>T\u00f3m l\u1ea1i, Java Developer l\u00e0 ng\u01b0\u1eddi ch\u1ecbu tr\u00e1ch nhi\u1ec7m thi\u1ebft k\u1ebf, ph\u00e1t tri\u1ec3n v\u00e0 duy tr\u00ec c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh d\u1ef1a tr\u00ean Java. V\u00ec Java \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, \u0111\u1eb7c bi\u1ec7t l\u00e0 b\u1edfi c\u00e1c doanh nghi\u1ec7p l\u1edbn n\u00ean tr\u00e1ch nhi\u1ec7m h\u00e0ng ng\u00e0y cho v\u1ecb tr\u00ed n\u00e0y s\u1ebd kh\u00e1c nhau.<\/p>\n<p>B\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 nh\u1eefng th\u00f4ng tin quan tr\u1ecdng \u0111\u1ec3 tr\u1edf th\u00e0nh m\u1ed9t Java Developer l\u00e0nh ngh\u1ec1, t\u1eeb k\u1ef9 n\u0103ng, nhi\u1ec7m v\u1ee5 cho \u0111\u1ebfn l\u1ed9 tr\u00ecnh s\u1ef1 nghi\u1ec7p c\u1ee7a Java Developer. Tr\u1edf th\u00e0nh Java Developer s\u1ebd m\u1edf ra nhi\u1ec1u c\u01a1 h\u1ed9i ngh\u1ec1 nghi\u1ec7p v\u00e0 th\u0103ng ti\u1ebfn tuy\u1ec7t v\u1eddi cho b\u1ea1n trong ng\u00e0nh IT.<\/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>C\u00f3 nhi\u1ec1u y\u1ebfu t\u1ed1 t\u1ea1o n\u00ean s\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a m\u1ed9t Java Developer, t\u1eeb ki\u1ebfn th\u1ee9c, k\u1ef9 n\u0103ng c\u1ee9ng, k\u1ef9 n\u0103ng m\u1ec1m, \u0111\u1ebfn vi\u1ec7c s\u1edf h\u1eefu nh\u1eefng ch\u1ee9ng ch\u1ec9 c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00f3 th\u1ec3 th\u0103ng ti\u1ebfn t\u1ed1t nh\u1ea5t trong l\u1ed9 tr\u00ecnh s\u1ef1 nghi\u1ec7p c\u1ee7a m\u00ecnh. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn t\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u [&hellip;]<\/p>\n","protected":false},"author":210,"featured_media":65010,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[99,94],"tags":[],"class_list":["post-65006","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-developer","category-su-nghiep-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>Java Developer: Nhi\u1ec7m v\u1ee5, k\u1ef9 n\u0103ng v\u00e0 l\u1ed9 tr\u00ecnh s\u1ef1 nghi\u1ec7p - ITviec Blog<\/title>\n<meta name=\"description\" content=\"B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn t\u1ea5t c\u1ea3 nh\u1eefng ki\u1ebfn th\u1ee9c, k\u1ef9 n\u0103ng c\u1ee9ng v\u00e0 m\u1ec1m, c\u00e1c ch\u1ee9ng ch\u1ec9 m\u00e0 m\u1ed9t Java Developer mu\u1ed1n th\u00e0nh c\u00f4ng c\u1ea7n c\u00f3.\" \/>\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-developer\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java Developer: Nhi\u1ec7m v\u1ee5, k\u1ef9 n\u0103ng v\u00e0 l\u1ed9 tr\u00ecnh s\u1ef1 nghi\u1ec7p\" \/>\n<meta property=\"og:description\" content=\"C\u00f3 nhi\u1ec1u y\u1ebfu t\u1ed1 t\u1ea1o n\u00ean s\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a m\u1ed9t Java Developer, t\u1eeb ki\u1ebfn th\u1ee9c, k\u1ef9 n\u0103ng c\u1ee9ng, k\u1ef9 n\u0103ng m\u1ec1m, \u0111\u1ebfn vi\u1ec7c s\u1edf h\u1eefu nh\u1eefng ch\u1ee9ng ch\u1ec9 c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00f3 th\u1ec3\" \/>\n<meta property=\"og:url\" content=\"https:\/\/itviec.com\/blog\/java-developer\/\" \/>\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=\"2024-05-09T11:13:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/Thumbnail-Lo-trinh-su-nghiep-cua-Java-Developer-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=\"17 ph\u00fat\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Java Developer: Nhi\u1ec7m v\u1ee5, k\u1ef9 n\u0103ng v\u00e0 l\u1ed9 tr\u00ecnh s\u1ef1 nghi\u1ec7p - 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