{"id":66551,"date":"2024-04-20T21:20:50","date_gmt":"2024-04-20T14:20:50","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=66551"},"modified":"2025-10-01T11:59:07","modified_gmt":"2025-10-01T04:59:07","slug":"hoc-java-de-lam-gi","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/hoc-java-de-lam-gi\/","title":{"rendered":"H\u1ecdc Java \u0111\u1ec3 l\u00e0m g\u00ec? C\u00e1c v\u1ecb tr\u00ed c\u00f3 th\u1ec3 l\u00e0m sau khi h\u1ecdc Java"},"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\/hoc-java-de-lam-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\/hoc-java-de-lam-gi\/#Mot_so_ung_dung_pho_bien_cua_Java\" >M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a Java&nbsp;<\/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\/hoc-java-de-lam-gi\/#Hoc_Java_de_lam_gi_Nhung_ly_do_ban_nen_hoc_Java_nam_2024\" >H\u1ecdc Java \u0111\u1ec3 l\u00e0m g\u00ec? Nh\u1eefng l\u00fd do b\u1ea1n n\u00ean h\u1ecdc Java n\u0103m 2024<\/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\/hoc-java-de-lam-gi\/#Hoc_Java_de_lam_gi_Cac_vi_tri_ma_ban_co_the_lam_sau_khi_hoc_Java\" >H\u1ecdc Java \u0111\u1ec3 l\u00e0m g\u00ec? C\u00e1c v\u1ecb tr\u00ed m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 l\u00e0m sau 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-5\" href=\"https:\/\/itviec.com\/blog\/hoc-java-de-lam-gi\/#Scala_va_Kotlin_%E2%80%93_Hai_ngon_ngu_bo_tro_sau_khi_hoc_Java\" >Scala v\u00e0 Kotlin &#8211; Hai ng\u00f4n ng\u1eef b\u1ed5 tr\u1ee3 sau khi h\u1ecdc Java&nbsp;<\/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\/hoc-java-de-lam-gi\/#Cac_cau_hoi_thuong_gap_ve_hoc_Java_de_lam_gi\" >C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 h\u1ecdc Java \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-7\" href=\"https:\/\/itviec.com\/blog\/hoc-java-de-lam-gi\/#Ket_luan_hoc_Java_de_lam_gi\" >K\u1ebft lu\u1eadn h\u1ecdc Java \u0111\u1ec3 l\u00e0m g\u00ec<\/a><\/li><\/ul><\/nav><\/div>\n\n<p><em><strong>Java l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh n\u1ed5i ti\u1ebfng v\u1edbi c\u1ed9ng \u0111\u1ed3ng l\u1eadp tr\u00ecnh vi\u00ean tr\u00ean to\u00e0n th\u1ebf gi\u1edbi, \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi James Gosling t\u1ea1i Sun Microsystems (gi\u1edd \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n c\u1ee7a Oracle Corporation<\/strong><strong>). Tuy n\u1ed5i ti\u1ebfng nh\u01b0ng v\u1eabn c\u00f2n nhi\u1ec1u ng\u01b0\u1eddi ch\u01b0a th\u1eadt s\u1ef1 hi\u1ec3u h\u1ecdc Java \u0111\u1ec3 l\u00e0m g\u00ec, c\u0169ng nh\u01b0 c\u01a1 h\u1ed9i ngh\u1ec1 nghi\u1ec7p sau khi \u0111\u00e3 h\u1ecdc Java.<\/strong><\/em><\/p>\n\n\n\n<p>\u0110\u1ecdc b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 n\u1eafm r\u00f5:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Java l\u00e0 g\u00ec? <\/span><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a Java<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">H\u1ecdc Java \u0111\u1ec3 l\u00e0m g\u00ec? Nh\u1eefng l\u00fd do b\u1ea1n n\u00ean h\u1ecdc Java n\u0103m 2024<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">H\u1ecdc Java \u0111\u1ec3 l\u00e0m g\u00ec? C\u00e1c v\u1ecb tr\u00ed m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 l\u00e0m sau khi h\u1ecdc Java<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Scala v\u00e0 Kotlin &#8211; hai ng\u00f4n ng\u1eef b\u1ed5 tr\u1ee3 sau khi h\u1ecdc Java<\/span><\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u1ee8ng tuy\u1ec3n <a href=\"https:\/\/itviec.com\/it-jobs\/java?utm_medium=anchor_text_high&amp;utm_source=blog&amp;utm_campaign=viec_lam_java&amp;utm_content=hoc_java_de_lam_gi\"><strong>vi\u1ec7c l\u00e0m Java<\/strong><\/a> m\u1edbi nh\u1ea5t tr\u00ean ITviec<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-java-la-gi\"><span class=\"ez-toc-section\" id=\"Java_la_gi\"><\/span><b>Java l\u00e0 g\u00ec?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\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 \u0111a n\u1ec1n t\u1ea3ng mi\u1ec5n ph\u00ed, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 vi\u1ebft t\u1eeb c\u00e1c \u1ee9ng d\u1ee5ng web v\u00e0 di \u0111\u1ed9ng, ph\u1ea7n m\u1ec1m doanh nghi\u1ec7p cho \u0111\u1ebfn c\u00e1c \u1ee9ng d\u1ee5ng d\u1eef li\u1ec7u l\u1edbn v\u00e0 c\u00f4ng ngh\u1ec7 ph\u00eda m\u00e1y ch\u1ee7.&nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">T\u00ednh n\u0103ng \u0111a n\u1ec1n t\u1ea3ng c\u1ee7a Java \u0111\u1ebfn t\u1eeb m\u00e1y \u1ea3o Java (JVM &#8211; Java Virtual Machine), b\u1eb1ng vi\u1ec7c th\u1ef1c thi code tr\u00ean m\u1ed9t m\u00e1y \u1ea3o Java c\u00f3 th\u1ec3 ch\u1ea1y \u1edf nhi\u1ec1u h\u1ec7 \u0111i\u1ec1u h\u00e0nh, do \u0111\u00f3 \u1ee9ng d\u1ee5ng Java c\u00f3 th\u1ec3 c\u00e0i v\u00e0 t\u01b0\u01a1ng th\u00edch tr\u00ean nhi\u1ec1u thi\u1ebft b\u1ecb, khi\u1ebfn s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi c\u00f3 th\u1ec3 d\u00f9ng s\u1ea3n ph\u1ea9m l\u00e0 r\u1ea5t l\u1edbn.&nbsp;<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-m\u1ed9t-s\u1ed1-\u1ee9ng-d\u1ee5ng-ph\u1ed5-bi\u1ebfn-c\u1ee7a-java-nbsp\"><span class=\"ez-toc-section\" id=\"Mot_so_ung_dung_pho_bien_cua_Java\"><\/span><b>M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a Java&nbsp;<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\"><strong><a href=\"https:\/\/itviec.com\/blog\/lap-trinh-game-mobile\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ph\u00e1t tri\u1ec3n tr\u00f2 ch\u01a1i<\/a>:<\/strong> C\u00e1c game r\u1ea5t n\u1ed5i ti\u1ebfng d\u00f9ng h\u1ec7 \u0111i\u1ec1u h\u00e0nh Android nh\u01b0 Minecraft, Mission Impossible III, v\u00e0 Asphalt 6 \u0111\u01b0\u1ee3c vi\u1ebft b\u1eb1ng Java.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\"><strong>\u1ee8ng d\u1ee5ng t\u00e0i ch\u00ednh:<\/strong> Java t\u1eadp trung v\u00e0o nh\u00f3m \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1ch h\u00e0ng l\u00e0 c\u00e1c c\u00f4ng ty t\u00e0i ch\u00ednh l\u1edbn, cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng li\u00ean quan \u0111\u1ebfn c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 b\u1ea3o m\u1eadt.\u00a0<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\"><strong>C\u00e1c \u1ee9ng d\u1ee5ng doanh nghi\u1ec7p:<\/strong> Java cung c\u1ea5p nhi\u1ec1u ph\u01b0\u01a1ng ti\u1ec7n \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c \u1ee9ng d\u1ee5ng v\u1eadn h\u00e0nh v\u00e0 qu\u1ea3n l\u00fd ph\u1ee9c t\u1ea1p cho c\u00e1c ph\u00f2ng ban trong doanh nghi\u1ec7p.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\"><strong>C\u00e1c \u1ee9ng d\u1ee5ng nghi\u00ean c\u1ee9u khoa h\u1ecdc:<\/strong> V\u1edbi th\u01b0 vi\u1ec7n to\u00e1n h\u1ecdc \u0111\u1ed3 s\u1ed9 nh\u01b0 Jet v\u00e0 Colt, Java c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c ph\u1ea7n m\u1ec1m d\u00f9ng cho khoa h\u1ecdc \u1ee9ng d\u1ee5ng.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\"><strong><a href=\"https:\/\/itviec.com\/blog\/dien-toan-dam-may\/\" target=\"_blank\" rel=\"noopener\">\u0110i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y<\/a>:<\/strong> Java c\u00f3 th\u1ec3 ch\u1ea1y tr\u00ean cloud th\u00f4ng qua JVM.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\"><strong>D\u1eef li\u1ec7u l\u1edbn (<a href=\"https:\/\/itviec.com\/blog\/dinh-nghia-big-data-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Big data<\/a>):<\/strong> Java h\u1ed7 tr\u1ee3 th\u00f4ng qua Apache Hadoop v\u00e0 Apache Spark, l\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng h\u1ed7 tr\u1ee3 x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn r\u1ea5t \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng.\u00a0<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\"><strong><a href=\"https:\/\/itviec.com\/blog\/tri-tue-nhan-tao-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o<\/a>:<\/strong>\u00a0Th\u00f4ng qua c\u00e1c th\u01b0 vi\u1ec7n nh\u01b0 DL4J, Weka, v\u00e0 Java-ML, Java c\u0169ng h\u1ed7 tr\u1ee3 ph\u00e1t tri\u1ec3n tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\"><strong>Internet v\u1ea1n v\u1eadt (<a href=\"https:\/\/itviec.com\/blog\/iot-la-gi\/\" target=\"_blank\" rel=\"noopener\">IoT<\/a>):<\/strong> Java c\u0169ng l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn cho c\u00e1c d\u1ef1 \u00e1n l\u1eadp tr\u00ecnh nh\u00fang.<\/span><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-h\u1ecdc-java-d\u1ec3-lam-gi-nh\u1eefng-ly-do-b\u1ea1n-nen-h\u1ecdc-java-nam-2024\"><span class=\"ez-toc-section\" id=\"Hoc_Java_de_lam_gi_Nhung_ly_do_ban_nen_hoc_Java_nam_2024\"><\/span><b>H\u1ecdc Java \u0111\u1ec3 l\u00e0m g\u00ec? Nh\u1eefng l\u00fd do b\u1ea1n n\u00ean h\u1ecdc Java n\u0103m 2024<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-m\u1ee9c-d\u1ed9-ph\u1ed5-bi\u1ebfn-c\u1ee7a-java\"><strong>M\u1ee9c \u0111\u1ed9 ph\u1ed5 bi\u1ebfn c\u1ee7a Java<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Theo <\/span><a href=\"https:\/\/stratoflow.com\/why-is-java-so-popular\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Stratoflow<\/span><\/a><span style=\"font-weight: 400;\">, t\u00ednh \u0111\u1ebfn n\u0103m 2023, h\u01a1n 30% l\u1eadp tr\u00ecnh vi\u00ean to\u00e0n th\u1ebf gi\u1edbi \u0111\u1ec1u c\u00f3 th\u1ec3 code v\u00e0 s\u1eed d\u1ee5ng Java. C\u00f3 th\u1ec3 th\u1ea5y, v\u1edbi th\u1eddi gian t\u1ed3n t\u1ea1i v\u00e0 ph\u00e1t tri\u1ec3n h\u01a1n 25 n\u0103m, Java \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ng\u00f4n ng\u1eef \u1ed5n \u0111\u1ecbnh, v\u1edbi c\u1ed9ng \u0111\u1ed3ng l\u1edbn kh\u00f4ng ng\u1eebng t\u0103ng l\u00ean, s\u1eb5n s\u00e0ng h\u1ed7 tr\u1ee3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi cho ng\u01b0\u1eddi h\u1ecdc m\u1edbi v\u00e0 lu\u00f4n t\u1ea1o ra c\u00e1c t\u00ednh n\u0103ng m\u1edbi.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">M\u1ed9t s\u1ef1 th\u1eadt l\u00e0, m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng r\u1ea5t r\u1ea5t l\u1edbn c\u00e1c ph\u1ea7n m\u1ec1m c\u1ee7a c\u00e1c doanh nghi\u1ec7p ho\u1eb7c m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng c\u1ee7a h\u1ecd s\u1ebd \u0111\u01b0\u1ee3c vi\u1ebft b\u1eb1ng Java, k\u1ec3 c\u1ea3 c\u00e1c t\u1eadp \u0111o\u00e0n c\u00f4ng ngh\u1ec7 l\u1edbn.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-ngon-ng\u1eef-l\u1eadp-trinh-h\u01b0\u1edbng-d\u1ed1i-t\u01b0\u1ee3ng-oop\"><strong>Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng &#8211; OOP<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Java \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng &#8211; OOP, l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t \u0111\u1ec3 d\u1ea1y cho ng\u01b0\u1eddi h\u1ecdc m\u1edbi t\u01b0 duy theo c\u00e1c nguy\u00ean t\u1eafc OOP nh\u01b0 m\u1ed9t l\u1eadp tr\u00ecnh vi\u00ean.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Gi\u00fap ng\u01b0\u1eddi h\u1ecdc luy\u1ec7n t\u1eadp t\u01b0 duy theo c\u00e1c nguy\u00ean t\u1eafc h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng nh\u01b0 m\u1ed9t l\u1eadp tr\u00ecnh vi\u00ean, suy ngh\u0129 v\u1ec1 c\u00e1ch thi\u1ebft k\u1ebf c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 class s\u1ebd g\u1ed3m c\u00e1c thu\u1ed9c t\u00ednh (properties) v\u00e0 c\u00e1c ph\u01b0\u01a1ng th\u1ee9c (methods), \u0111\u1ec3 code d\u1ec5 \u0111\u1ecdc v\u00e0 d\u1ec5 qu\u1ea3n l\u00fd, t\u00e1i s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c trong t\u01b0\u01a1ng lai.&nbsp;<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-vi\u1ebft-m\u1ed9t-l\u1ea7n-ch\u1ea1y-m\u1ecdi-n\u01a1i\"><strong>Vi\u1ebft m\u1ed9t l\u1ea7n ch\u1ea1y m\u1ecdi n\u01a1i<\/strong><\/h3>\n\n\n\n<p><b>\u201cWrite Once, Run Anywhere\u201d &#8211; \u201cvi\u1ebft m\u1ed9t l\u1ea7n ch\u1ea1y m\u1ecdi n\u01a1i\u201d<\/b><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t c\u00e2u c\u1ef1c k\u1ef3 n\u1ed5i ti\u1ebfng n\u00f3i v\u1ec1 t\u00ednh n\u0103ng Java Virtual Machine (JVM), m\u1ed9t m\u00e1y \u1ea3o \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 th\u1ef1c thi m\u00e3 Java tr\u00ean nhi\u1ec1u h\u1ec7 \u0111i\u1ec1u h\u00e0nh. Ng\u01b0\u1eddi h\u1ecdc Java c\u00f3 th\u1ec3 ch\u1ea1y code tr\u00ean nhi\u1ec1u lo\u1ea1i thi\u1ebft b\u1ecb m\u00e0 kh\u00f4ng c\u1ea7n ch\u1ec9nh s\u1eeda nhi\u1ec1u, khi\u1ebfn cho Java l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn ho\u00e0n h\u1ea3o cho c\u00e1c ph\u1ea7n m\u1ec1m th\u01b0\u01a1ng m\u1ea1i \u0111a ng\u01b0\u1eddi d\u00f9ng.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00e2u n\u00f3i n\u00e0y c\u00f2n tr\u1edf th\u00e0nh meme n\u1ed5i ti\u1ebfng trong c\u1ed9ng \u0111\u1ed3ng Java <\/span><b>\u201cWrite once, debug everywhere\u201d &#8211; \u201cvi\u1ebft m\u1ed9t l\u1ea7n s\u1eeda l\u1ed7i m\u1ecdi n\u01a1i\u201d.<\/b><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"270\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/java-meme-vippro.png\" alt=\"\" class=\"wp-image-66552\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/java-meme-vippro.png 500w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/java-meme-vippro-300x162.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/java-meme-vippro-200x108.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/java-meme-vippro-100x54.png 100w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-d\u1ec5-s\u1eed-d\u1ee5ng-mi\u1ec5n-phi-va-ma-ngu\u1ed3n-m\u1edf\"><strong>D\u1ec5 s\u1eed d\u1ee5ng, mi\u1ec5n ph\u00ed v\u00e0 m\u00e3 ngu\u1ed3n m\u1edf<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Java c\u00f3 c\u00fa ph\u00e1p (syntax) d\u1ec5 \u0111\u1ecdc, d\u1ec5 vi\u1ebft v\u00e0 ho\u00e0n to\u00e0n mi\u1ec5n ph\u00ed, ph\u00f9 h\u1ee3p cho ng\u01b0\u1eddi h\u1ecdc m\u1edbi mu\u1ed1n ti\u1ebfp c\u1eadn v\u1edbi th\u1ebf gi\u1edbi l\u1eadp tr\u00ecnh. M\u00e3 ngu\u1ed3n m\u1edf gi\u00fap cho s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a Java kh\u00f4ng b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi c\u00e1c h\u1ea1n ch\u1ebf th\u01b0\u01a1ng m\u1ea1i, n\u00ean c\u00f3 r\u1ea5t nhi\u1ec1u c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 \u0111\u01b0\u1ee3c c\u1ed9ng \u0111\u1ed3ng t\u1ea1o ra nh\u01b0 Java Development Kit (JDK), c\u00e1c ng\u00f4n ng\u1eef d\u1ef1a tr\u00ean JVM nh\u01b0 Scala, Kotlin r\u1ea5t \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng trong c\u00e1c d\u1ef1 \u00e1n.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-r\u1ea5t-nhi\u1ec1u-api-h\u1ed7-tr\u1ee3\"><strong>R\u1ea5t nhi\u1ec1u API h\u1ed7 tr\u1ee3<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Java ngo\u00e0i l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef cho ng\u01b0\u1eddi m\u1edbi, n\u00f3 c\u00f2n h\u1ed7 tr\u1ee3 \u0111a d\u1ea1ng c\u00e1c Framework nh\u01b0 Spring, Hibernate v\u00e0 Struts cho c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean chuy\u00ean nghi\u1ec7p \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c t\u00ednh n\u0103ng l\u1edbn h\u1ed7 tr\u1ee3 doanh nghi\u1ec7p nh\u01b0 \u1ee9ng d\u1ee5ng cung c\u1ea5p s\u1ea3n ph\u1ea9m d\u1ecbch v\u1ee5 qua web, \u1ee9ng d\u1ee5ng h\u1ed7 tr\u1ee3 g\u1ecdi API, h\u1ec7 th\u1ed1ng chat, qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u (database).<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-d\u01b0\u1ee3c-ch\u1ed1ng-l\u01b0ng-t\u1eeb-oracle\"><strong>\u0110\u01b0\u1ee3c &#8220;ch\u1ed1ng l\u01b0ng&#8221; t\u1eeb Oracle<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Oracle mua l\u1ea1i Java v\u00e0o n\u0103m 2010 v\u00e0 h\u1ed7 tr\u1ee3 t\u01b0\u01a1ng th\u00edch Java v\u00e0o m\u1ecdi s\u1ea3n ph\u1ea9m c\u1ee7a h\u1ec7 sinh th\u00e1i n\u00e0y, n\u00ean ng\u01b0\u1eddi h\u1ecdc Java c\u1ef1c k\u1ef3 c\u00f3 l\u1ee3i v\u00ec s\u1ea3n ph\u1ea9m c\u1ee7a Oracle r\u1ea5t ph\u1ed5 bi\u1ebfn trong c\u00e1c t\u1eadp \u0111o\u00e0n t\u00e0i ch\u00ednh l\u1edbn v\u00e0 c\u00e1c doanh nghi\u1ec7p th\u01b0\u01a1ng m\u1ea1i t\u1ea1i Vi\u1ec7t Nam hi\u1ec7n nay, m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn: Mcredit &#8211; C\u00f4ng ty T\u00e0i ch\u00ednh TNHH MB Shinsei, Ng\u00e2n H\u00e0ng \u00c1 Ch\u00e2u (ACB), Ng\u00e2n h\u00e0ng VPBank, ACS Trading Vietnam (AEON), VP bank, FE Credit,&#8230;&nbsp;<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-luon-luon-co-nhu-c\u1ea7u-tuy\u1ec3n-d\u1ee5ng-java\"><strong>Lu\u00f4n lu\u00f4n c\u00f3 nhu c\u1ea7u tuy\u1ec3n d\u1ee5ng Java<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Java l\u00e0 \u201cx\u01b0\u01a1ng s\u1ed1ng\u201d c\u1ee7a r\u1ea5t nhi\u1ec1u d\u1ef1 \u00e1n t\u1eeb l\u1edbn \u0111\u1ebfn nh\u1ecf, t\u1eeb c\u00e1c \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng l\u1edbn c\u1ee7a c\u00e1c doanh nghi\u1ec7p, do \u0111\u00f3 ng\u01b0\u1eddi h\u1ecdc Java lu\u00f4n lu\u00f4n \u0111\u01b0\u1ee3c s\u0103n \u0111\u00f3n b\u1edfi c\u00e1c t\u1eadp \u0111o\u00e0n t\u00e0i ch\u00ednh, c\u00f4ng ngh\u1ec7 v\u00e0 th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">T\u00f3m l\u1ea1i, Java l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef r\u1ea5t r\u1ed9ng l\u1edbn, c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean m\u1edbi c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng s\u1eed d\u1ee5ng, nh\u01b0ng \u0111\u1ed3ng th\u1eddi c\u0169ng kh\u00f4ng thi\u1ebfu kh\u00f4ng gian ph\u00e1t tri\u1ec3n cho c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean Senior nhi\u1ec1u kinh nghi\u1ec7m, mu\u1ed1n \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c m\u1ed1c thu nh\u1eadp cao b\u1eb1ng c\u00e1ch gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 l\u1edbn h\u01a1n, \u0111\u00f2i h\u1ecfi ph\u1ea3i d\u00f9ng nhi\u1ec1u t\u00ednh n\u0103ng kh\u00e1c c\u1ee7a ng\u00f4n ng\u1eef.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Theo &#8220;<a href=\"https:\/\/itviec.com\/blog\/bao-cao-luong-it\" target=\"_blank\" rel=\"noopener\"><strong>B\u00e1o c\u00e1o L\u01b0\u01a1ng IT: 2023 &#8211; 2024<\/strong><\/a>&#8220;, m\u1ee9c l\u01b0\u01a1ng c\u1ee7a nh\u1eefng v\u1ecb tr\u00ed thu\u1ed9c ng\u00f4n ng\u1eef Java theo s\u1ed1 n\u0103m kinh nghi\u1ec7m:<\/span><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><span style=\"font-weight: 400;\">Kho\u1ea3ng n\u0103m kinh nghi\u1ec7m<\/span><\/td><td><span style=\"font-weight: 400;\">M\u1ee9c l\u01b0\u01a1ng trung v\u1ecb ng\u00f4n ng\u1eef Java<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">&lt; 1<\/span><\/td><td><span style=\"font-weight: 400;\">10.000.000 VND<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">1 &#8211; 2<\/span><\/td><td><span style=\"font-weight: 400;\">18.000.000 VND<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">3 &#8211; 4<\/span><\/td><td><span style=\"font-weight: 400;\">30.000.000 VND<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">5 &#8211; 8<\/span><\/td><td><span style=\"font-weight: 400;\">45.000.000 VND<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">&gt; 8<\/span><\/td><td><span style=\"font-weight: 400;\">55.500.000 VND<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Tham kh\u1ea3o <a href=\"https:\/\/itviec.com\/it-jobs\/java?utm_medium=anchor_text_mid&amp;utm_source=blog&amp;utm_campaign=viec_lam_java&amp;utm_content=hoc_java_de_lam_gi\"><strong>vi\u1ec7c l\u00e0m Java<\/strong><\/a> to\u00e0n qu\u1ed1c tr\u00ean ITviec<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-h\u1ecdc-java-d\u1ec3-lam-gi-cac-v\u1ecb-tri-ma-b\u1ea1n-co-th\u1ec3-lam-sau-khi-h\u1ecdc-java\"><span class=\"ez-toc-section\" id=\"Hoc_Java_de_lam_gi_Cac_vi_tri_ma_ban_co_the_lam_sau_khi_hoc_Java\"><\/span><b>H\u1ecdc Java \u0111\u1ec3 l\u00e0m g\u00ec? C\u00e1c v\u1ecb tr\u00ed m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 l\u00e0m sau khi h\u1ecdc Java<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-l\u1eadp-trinh-vien-web-web-developer\"><strong>L\u1eadp tr\u00ecnh vi\u00ean web (Web developer)<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">D\u00f9ng Java \u0111\u1ec3 l\u1eadp tr\u00ecnh web l\u00e0 h\u01b0\u1edbng \u0111i an to\u00e0n, th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ecdn sau khi h\u1ecdc Java, v\u00ec c\u00e1c framework nh\u01b0 JavaServer Faces (JSF), Spring MVC, v\u00e0 Apache Struts \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf r\u1ea5t ch\u1ec9n chu cho t\u00e1c v\u1ee5 n\u00e0y.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, c\u00e1c c\u00f4ng ty th\u01b0\u1eddng ch\u1ecdn d\u00f9ng Java v\u00ec d\u1ec5 d\u00e0ng t\u01b0\u01a1ng th\u00edch v\u1edbi h\u1ea7u h\u1ebft c\u00e1c c\u01a1 s\u1edf d\u1eef li\u1ec7u.&nbsp;<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-l\u1eadp-trinh-vien-\u1ee9ng-d\u1ee5ng-android-android-developer\"><strong>L\u1eadp tr\u00ecnh vi\u00ean \u1ee9ng d\u1ee5ng Android (Android developer)<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00e0o n\u0103m 2008, h\u1ec7 \u0111i\u1ec1u h\u00e0nh \u0111i\u1ec7n tho\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t &#8211; Android d\u00f9ng Java \u0111\u1ec3 ph\u00e1t tri\u1ec3n t\u1ea5t c\u1ea3 c\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec7n tho\u1ea1i, t\u1eeb \u0111\u00f3 c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean ngo\u00e0i vi\u1ebft web c\u00f3 th\u1ec3 d\u00f9ng Java \u0111\u1ec3 vi\u1ebft \u1ee9ng d\u1ee5ng \u0111a t\u00ednh n\u0103ng, hi\u1ec7u su\u1ea5t cao tr\u00ean Google Play v\u00e0 b\u00e1n cho h\u00e0ng tri\u1ec7u ng\u01b0\u1eddi d\u00f9ng.&nbsp;&nbsp;&nbsp;<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-l\u1eadp-trinh-vien-h\u1ec7-th\u1ed1ng-system-developer\"><strong>L\u1eadp tr\u00ecnh vi\u00ean h\u1ec7 th\u1ed1ng (System developer)<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Nh\u1edd v\u00e0o s\u1ef1 linh ho\u1ea1t v\u00e0 nhi\u1ec1u s\u1ef1 h\u1ed7 tr\u1ee3 t\u1eeb h\u1ec7 sinh th\u00e1i, Java l\u00e0m m\u1ed9t c\u00f4ng c\u1ee5 th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ecdn \u0111\u1ec3 l\u1eadp tr\u00ecnh c\u00e1c \u1ee9ng d\u1ee5ng v\u1eadn h\u00e0nh ph\u1ee9c t\u1ea1p c\u1ee7a doanh nghi\u1ec7p \u0111\u1ea1t nhi\u1ec1u ti\u00eau ch\u00ed v\u1ec1 t\u00ednh b\u1ea3o m\u1eadt, d\u1ec5 d\u00e0ng n\u00e2ng c\u1ea5p, v\u00e0 qu\u1ea3n l\u00fd.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00e0 c\u0169ng kh\u00f4ng th\u1ec3 qu\u00ean k\u1ec3 \u0111\u1ebfn c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean h\u1ec7 th\u1ed1ng d\u00f9ng c\u00e1c phi\u00ean b\u1ea3n n\u1ec1n t\u1ea3ng Java c\u00f3 tr\u1ea3 ph\u00ed cho doanh nghi\u1ec7p:&nbsp;<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Java Enterprise Edition (Java EE)\u00a0<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">JavaServer Faces (JSF)<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Java Persistence API (JPA)<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Enterprise JavaBeans (EJB)<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-k\u1ef9-s\u01b0-d\u1eef-li\u1ec7u-data-engineer\"><strong>K\u1ef9 s\u01b0 d\u1eef li\u1ec7u (Data engineer)<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00e1c c\u00f4ng c\u1ee5 Apache Hadoop v\u00e0 Apache Spark \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng b\u1eb1ng Java cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p v\u1ec1 qu\u1ea3n l\u00fd, l\u01b0u tr\u1eef, ph\u00e2n t\u00edch d\u1eef li\u1ec7u l\u1edbn, m\u1edf ra c\u00e1c c\u01a1 h\u1ed9i ngh\u1ec1 nghi\u1ec7p t\u1eeb m\u1ea3ng d\u1eef li\u1ec7u nh\u01b0 k\u1ef9 s\u01b0 d\u1eef li\u1ec7u l\u1edbn v\u00e0 chuy\u00ean vi\u00ean ph\u00e2n t\u00edch.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00e1c v\u1ecb tr\u00ed n\u00e0y c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c m\u1ee9c thu nh\u1eadp r\u1ea5t cao khi m\u00e0 c\u00e1c xu h\u01b0\u1edbng tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o, khai th\u00e1c v\u00e0 s\u1eed d\u1ee5ng d\u1eef li\u1ec7u \u0111ang l\u00e0 xu h\u01b0\u1edbng c\u1ee7a th\u1eddi \u0111\u1ea1i.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-l\u1eadp-trinh-vien-cloud-cloud-developer\"><strong>L\u1eadp tr\u00ecnh vi\u00ean Cloud (Cloud developer)<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Nh\u1eefng n\u1ec1n t\u1ea3ng cloud l\u1edbn nh\u1ea5t nh\u01b0 Amazon Web Services (AWS), Google Cloud Platform (GCP) c\u0169ng thi\u1ebft k\u1ebf Java v\u00e0o h\u1ec7 th\u1ed1ng, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean c\u00f3 th\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u1ed9t h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p nh\u01b0 cloud th\u00f4ng qua m\u1ed9t c\u00f4ng c\u1ee5 quen thu\u1ed9c nh\u01b0 Java.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-l\u1eadp-trinh-nhung-embedded-developer\"><strong>L\u1eadp tr\u00ecnh nh\u00fang (Embedded developer)<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00e1c h\u1ed7 tr\u1ee3 ng\u00f4n ng\u1eef nh\u00fang c\u1ee7a Java nh\u01b0 Eclipse IoT v\u00e0 Java ME Embedded gi\u00fap cho ng\u01b0\u1eddi h\u1ecdc Java c\u00f3 th\u00eam c\u00e1c s\u1ef1 l\u1ef1a ch\u1ecdn ngh\u1ec1 nghi\u1ec7p b\u00ean c\u1ea1nh c\u00e1c ng\u00f4n ng\u1eef nh\u00fang ph\u1ed5 bi\u1ebfn nh\u01b0 C, C++, Python, and Rust.<\/span><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/itviec.com\/blog\/lap-trinh-nhung-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>L\u1eadp tr\u00ecnh nh\u00fang l\u00e0 g\u00ec: C\u00f4ng c\u1ee5, k\u1ef9 thu\u1eadt v\u00e0 \u1ee9ng d\u1ee5ng c\u1ea7n bi\u1ebft<\/strong><\/a><\/em><\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-chuyen-vien-ki\u1ec3m-th\u1eed-software-tester-qa\"><strong>Chuy\u00ean vi\u00ean ki\u1ec3m th\u1eed (Software Tester\/ QA)<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00e1c chuy\u00ean vi\u00ean ki\u1ec3m th\u1eed, qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng r\u1ea5t quan tr\u1ecdng trong c\u00e1c \u0111\u1ed9i ph\u00e1t tri\u1ec3n s\u1ea3n ph\u1ea9m. Java h\u1ed7 tr\u1ee3 c\u00e1c ng\u00f4n ng\u1eef \u0111\u1ec3 ki\u1ec3m th\u1eed nh\u01b0 JUnit and TestNG, gi\u00fap cho ng\u01b0\u1eddi h\u1ecdc Java c\u0169ng c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n ngh\u1ec1 nghi\u1ec7p theo h\u01b0\u1edbng n\u00e0y.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-devops-va-automation\"><strong>DevOps v\u00e0 Automation<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/itviec.com\/blog\/devops-la-gi\/\" target=\"_blank\" rel=\"noopener\">DevOps<\/a> l\u00e0 m\u1ed9t xu h\u01b0\u1edbng l\u1eadp tr\u00ecnh n\u1ed5i b\u1eadt hi\u1ec7n nay. Jenkins, Docker, v\u00e0 Ansible l\u00e0 nh\u1eefng s\u1ea3n ph\u1ea9m c\u1ee7a Java cung c\u1ea5p cho DevOps, gi\u00fap cho vi\u1ec7c t\u01b0\u01a1ng th\u00edch gi\u1eefa ph\u00e1t tri\u1ec3n v\u00e0 v\u1eadn h\u00e0nh s\u1ea3n ph\u1ea9m Java tr\u01a1n tru.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Nh\u1eefng l\u1eadp tr\u00ecnh vi\u00ean l\u00e0m DevOps c\u00f3 th\u1ec3 th\u00eam Java v\u00e0o h\u1ed3 s\u01a1 xin vi\u1ec7c v\u00e0 ch\u1eafc ch\u1eafn s\u1ebd \u0111\u01b0\u1ee3c nh\u00e0 tuy\u1ec3n d\u1ee5ng \u01b0u \u00e1i.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-scala-va-kotlin-hai-ngon-ng\u1eef-b\u1ed5-tr\u1ee3-sau-khi-h\u1ecdc-java-nbsp\"><span class=\"ez-toc-section\" id=\"Scala_va_Kotlin_%E2%80%93_Hai_ngon_ngu_bo_tro_sau_khi_hoc_Java\"><\/span><strong>Scala v\u00e0 Kotlin &#8211; Hai ng\u00f4n ng\u1eef b\u1ed5 tr\u1ee3 sau khi h\u1ecdc Java&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u1edbi tu\u1ed5i \u0111\u1eddi l\u1edbn nh\u01b0 Java, thi\u1ebft k\u1ebf Java t\u1ea5t nhi\u00ean c\u00f3 ch\u1ee9a nh\u1eefng \u00fd t\u01b0\u1edfng \u0111\u00e3 l\u1ed7i th\u1eddi v\u00e0 c\u00f3 nhi\u1ec1u h\u1ea1n ch\u1ebf so v\u1edbi c\u00e1c ng\u00f4n ng\u1eef hi\u1ec7n \u0111\u1ea1i h\u01a1n nh\u01b0 Go v\u00e0 Python.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Scala, Kotlin l\u00e0 nh\u1eefng d\u1ef1 \u00e1n thi\u1ebft k\u1ebf ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi c\u1ed9ng \u0111\u1ed3ng nh\u1eefng ng\u01b0\u1eddi v\u1eabn c\u00f2n t\u00ecnh c\u1ea3m v\u1edbi Java, c\u00e1c ng\u00f4n ng\u1eef n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ea1y tr\u00ean JVM v\u00e0 c\u00f3 th\u1ec3 g\u1ecdi l\u00e0 nh\u1eefng h\u1eadu du\u1ec7 c\u1ee7a Java, v\u1eeba th\u1eeba k\u1ebf nh\u1eefng \u0111\u1eb7c t\u00ednh n\u1ed5i tr\u1ed9i c\u1ee7a Java v\u1eeba c\u1ea3i ti\u1ebfn Java. <\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Sau khi h\u1ecdc Java, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn h\u1ecdc th\u00eam m\u1ed9t s\u1ed1 ng\u00f4n ng\u1eef n\u00e0y \u0111\u1ec3 c\u00f3 l\u1ee3i th\u1ebf v\u1ec1 ki\u1ebfn th\u1ee9c v\u00e0 c\u01a1 h\u1ed9i c\u00f4ng vi\u1ec7c. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u00e1c ng\u00f4n ng\u1eef n\u00e0y c\u00f3 th\u1ec3 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u h\u01a1n cho d\u1ef1 \u00e1n.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-scala\"><strong>Scala<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Scala \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ea1i tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc EPFL b\u1edfi Martin Odersky, t\u1eeb n\u0103m 2001, t\u00ean Scala l\u00e0 s\u1ef1 k\u1ebft n\u1ed1i gi\u1eef 2 t\u1eeb \u201cscalable\u201d v\u00e0 \u201clanguage\u201d, \u00fd ngh\u0129a l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng \u0111\u1ec3 th\u00edch \u1ee9ng v\u1edbi nhi\u1ec1u nhu c\u1ea7u v\u1eadn h\u00e0nh t\u1eeb l\u1edbn t\u1edbi nh\u1ecf c\u1ee7a s\u1ea3n ph\u1ea9m. Scala \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u trong c\u00e1c d\u1ef1 \u00e1n li\u00ean quan \u0111\u1ebfn khoa h\u1ecdc d\u1eef li\u1ec7u, ph\u00e2n t\u00edch v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u.&nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m c\u1ee7a vi\u1ec7c code b\u1eb1ng Scala c\u00f3 th\u1ec3 gi\u1ea3m s\u1ed1 d\u00f2ng code nhi\u1ec1u l\u1ea7n so v\u1edbi Java. \u0110\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c ph\u1ea7n m\u1ec1m c\u1ee7a Scala d\u1ec5 d\u00e0ng scale \u0111\u1ec3 ph\u1ee5c v\u1ee5 cho s\u1ed1 l\u01b0\u1ee3ng user t\u0103ng l\u00ean trong th\u1eddi gian ng\u1eafn. M\u1ed9t b\u1ea5t ti\u1ec7n duy nh\u1ea5t khi d\u00f9ng Scala l\u00e0 code ch\u1ec9 ch\u1ea1y \u1edf version m\u1edbi nh\u1ea5t, n\u00ean c\u00e1c code Scala \u1edf c\u00e1c phi\u00ean b\u1ea3n tr\u01b0\u1edbc \u0111\u00f3 s\u1ebd kh\u00f4ng t\u01b0\u01a1ng th\u00edch.&nbsp;<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-kotlin\"><strong>Kotlin<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Kotlin l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef c\u1ea5p ti\u1ebfn \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi c\u00f4ng ty JetBrains n\u0103m 2011, c\u00f4ng ty n\u00e0y c\u0169ng ch\u00ednh l\u00e0 c\u00f4ng ty t\u1ea1o ra ph\u1ea7n m\u1ec1m code n\u1ed5i ti\u1ebfng IntelliJ IDEA. Kotlin \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 c\u1ea1nh tranh v\u1edbi Scala v\u00e0 c\u00e1i t\u00ean Kotlin \u0111\u01b0\u1ee3c l\u1ea5y theo t\u00ean m\u1ed9t h\u00f2n \u0111\u1ea3o \u1edf St. Petersburg n\u01b0\u1edbc Nga.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Kotlin th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c d\u1ef1 \u00e1n l\u1eadp tr\u00ecnh \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng. V\u00e0o s\u1ef1 ki\u1ec7n Google I\/O 2019, g\u00e3 kh\u1ed5ng l\u1ed3 Google c\u00f4ng khai h\u1ed7 tr\u1ee3 v\u00e0 tuy\u00ean b\u1ed1 Kotlin l\u00e0 ng\u00f4n ng\u1eef ch\u00ednh cho h\u1ec7 \u0111i\u1ec1u h\u00e0nh Android. \u01afu \u0111i\u1ec3m c\u1ee7a Kotlin l\u00e0 gi\u1ea3m \u0111i nh\u1eefng c\u00fa ph\u00e1p ph\u1ee9c t\u1ea1p c\u1ee7a Java, gi\u00fap code d\u1ec5 \u0111\u1ecdc.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, Kotlin c\u00f2n c\u00f3 c\u01a1 ch\u1ebf khai b\u00e1o d\u1eef li\u1ec7u kh\u00f4ng th\u1ec3 null, gi\u00fap tr\u00e1nh \u0111\u01b0\u1ee3c l\u1ed7i runtime nullability. V\u00ec l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef m\u1edbi n\u00ean Kotlin c\u0169ng \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 nh\u01b0 thi\u1ebfu s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a c\u1ed9ng \u0111\u1ed3ng khi g\u1eb7p l\u1ed7i, v\u00e0 code Kotlin c\u0169ng ch\u1eadm h\u01a1n so v\u1edbi Java.<\/span><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/itviec.com\/blog\/kotlin-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>Kotlin l\u00e0 g\u00ec? \u0110\u1ecbnh ngh\u0129a, \u01b0u \u0111i\u1ec3m v\u00e0 nh\u1eefng c\u00fa ph\u00e1p c\u01a1 b\u1ea3n c\u1ee7a Kotlin<\/strong><\/a><\/em><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cac-cau-h\u1ecfi-th\u01b0\u1eddng-g\u1eb7p-v\u1ec1-h\u1ecdc-java-d\u1ec3-lam-gi\"><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_thuong_gap_ve_hoc_Java_de_lam_gi\"><\/span><strong>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 h\u1ecdc Java \u0111\u1ec3 l\u00e0m g\u00ec<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-java-th\u01b0\u1eddng-d\u01b0\u1ee3c-\u1ee9ng-d\u1ee5ng-d\u1ec3-phat-tri\u1ec3n-nh\u1eefng-s\u1ea3n-ph\u1ea9m-gi\"><b>Java th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n nh\u1eefng s\u1ea3n ph\u1ea9m g\u00ec?<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Java th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng web nh\u01b0 c\u00e1c trang th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed, m\u1ea1ng x\u00e3 h\u1ed9i v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m v\u1eadn h\u00e0nh trong doanh nghi\u1ec7p.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i cung c\u1ea5p c\u00e1c framework h\u1ed7 tr\u1ee3 x\u00e2y d\u1ef1ng nh\u1eefng t\u00ednh n\u0103ng, Java c\u00f2n c\u00f3 c\u00e1c ng\u00f4n ng\u1eef con nh\u01b0 Kotlin v\u00e0 Scala \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n kh\u00e1c nhau trong qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf, v\u1eadn h\u00e0nh v\u00e0 ph\u00e1t tri\u1ec3n s\u1ea3n ph\u1ea9m.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-nh\u1eefng-cau-h\u1ecfi-ph\u1ecfng-v\u1ea5n-java-nao-th\u01b0\u1eddng-xuyen-d\u01b0\u1ee3c-h\u1ecfi-trong-cac-cong-ty-l\u1edbn-nbsp\"><b>Nh\u1eefng c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Java n\u00e0o th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c h\u1ecfi trong c\u00e1c c\u00f4ng ty l\u1edbn?&nbsp;<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 ch\u1ee7 \u0111\u1ec1 th\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u1ecfng v\u1ea5n:&nbsp;&nbsp;<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.javatpoint.com\/fibonacci-series-in-java\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">The Fibonacci Series <\/span><\/a><span style=\"font-weight: 400;\">&#8211; Ch\u1ee7 \u0111\u1ec1 t\u1ea1o d\u00e3y s\u1ed1 Fibonacci<\/span><\/li>\n\n\n\n<li><a href=\"https:\/\/www.javatpoint.com\/prime-number-program-in-java\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">The Prime Number Check<\/span><\/a><span style=\"font-weight: 400;\"> &#8211; Ch\u1ee7 \u0111\u1ec1 ki\u1ec3m tra s\u1ed1 nguy\u00ean t\u1ed1<\/span><\/li>\n\n\n\n<li><a href=\"https:\/\/www.javatpoint.com\/palindrome-program-in-java\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">String Palindrome<\/span><\/a><span style=\"font-weight: 400;\"> &#8211; Ch\u1ee7 \u0111\u1ec1 ki\u1ec3m tra chu\u1ed7i k\u00fd t\u1ef1 Palindrome<\/span><\/li>\n\n\n\n<li><a href=\"https:\/\/www.javatpoint.com\/bubble-sort-in-java\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Bubble Sort<\/span><\/a><span style=\"font-weight: 400;\"> &#8211; Ch\u1ee7 \u0111\u1ec1 c\u00e2u h\u1ecfi thu\u1eadt to\u00e1n s\u1eafp x\u1ebfp<\/span><\/li>\n\n\n\n<li><a href=\"https:\/\/www.javatpoint.com\/merge-sort\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Merge Sort <\/span><\/a><span style=\"font-weight: 400;\">&#8211; Ch\u1ee7 \u0111\u1ec1 c\u00e2u h\u1ecfi thu\u1eadt to\u00e1n s\u1eafp x\u1ebfp<\/span><\/li>\n\n\n\n<li><a href=\"https:\/\/www.javatpoint.com\/armstrong-number-in-java\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Armstrong Number<\/span><\/a><span style=\"font-weight: 400;\"> &#8211; Ch\u1ee7 \u0111\u1ec1 c\u00e2u h\u1ecfi s\u1ed1 Armstrong<\/span><\/li>\n\n\n\n<li><a href=\"https:\/\/www.javatpoint.com\/factorial-program-in-java\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Factorial<\/span><\/a><span style=\"font-weight: 400;\"> &#8211; Ch\u1ee7 \u0111\u1ec1 c\u00e2u h\u1ecfi giai th\u1eeba<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-kotlin-co-gi\u1ed1ng-scala-khong\"><b>Kotlin c\u00f3 gi\u1ed1ng Scala kh\u00f4ng?<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u1ea3 hai ng\u00f4n ng\u1eef \u0111\u1ec1u ch\u1ea1y tr\u00ean m\u00e1y \u1ea3o Java (JVM), c\u1ea3i ti\u1ebfn Java nh\u01b0ng v\u1edbi c\u00e1ch ti\u1ebfp c\u1eadn kh\u00e1c nhau:&nbsp;<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Scala h\u1ed7 tr\u1ee3 \u0111\u1ed1i s\u00e1nh m\u1eabu (pattern matching) t\u1ed1t h\u01a1n n\u00ean c\u00f2n \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 x\u1eed l\u00fd d\u1eef li\u1ec7u nh\u01b0 R, Python.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Kotlin c\u00f3 th\u1ec3 x\u1eed l\u00fd n\u1ea1p ch\u1ed3ng to\u00e1n t\u1eed (operator overloading) \u0111\u01a1n gi\u1ea3n h\u01a1n, Kotlin th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng Android<\/span><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-k\u1ebft-lu\u1eadn-h\u1ecdc-java-d\u1ec3-lam-gi\"><span class=\"ez-toc-section\" id=\"Ket_luan_hoc_Java_de_lam_gi\"><\/span><strong>K\u1ebft lu\u1eadn h\u1ecdc Java \u0111\u1ec3 l\u00e0m g\u00ec<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Java tuy \u0111\u00e3 l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef c\u1ee7a qu\u00e1 kh\u1ee9 n\u1ebfu so s\u00e1nh v\u1edbi nh\u1eefng c\u00f4ng ngh\u1ec7 m\u1edbi h\u01a1n nh\u01b0 Golang, Python,&#8230; nh\u01b0ng v\u1eabn l\u00e0 m\u1ed9t s\u1ef1 l\u1ef1a ch\u1ecdn an to\u00e0n v\u00e0 \u1ed5n \u0111\u1ecbnh cho nhi\u1ec1u d\u1ef1 \u00e1n l\u1edbn trong n\u0103m 2024.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Do \u0111\u00f3, kh\u00f4ng c\u1ea7n ph\u1ea3i lo l\u1eafng h\u1ecdc Java \u0111\u1ec3 l\u00e0m g\u00ec v\u00ec ng\u01b0\u1eddi h\u1ecdc Java c\u00f3 th\u1ec3 th\u00edch nghi v\u1edbi nhi\u1ec1u v\u1ecb tr\u00ed c\u00f4ng vi\u1ec7c kh\u00e1c nhau v\u00e0 nhi\u1ec1u d\u1ef1 \u00e1n kh\u00e1c nhau, mang \u0111\u1ebfn s\u1ef1 linh \u0111\u1ed9ng trong t\u00ecm ki\u1ebfm c\u00f4ng vi\u1ec7c v\u00e0 d\u1ef1 \u00e1n, trong bu\u1ed5i AI \u0111ang li\u00ean t\u1ee5c c\u1ea3i ti\u1ebfn \u0111\u1ec3 thay t\u1eebng ph\u1ea7n m\u1ed9t c\u00e1c c\u00f4ng vi\u1ec7c c\u1ee7a l\u1eadp tr\u00ecnh vi\u00ean.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2.png\" alt=\"robby-2\" class=\"wp-image-5668\" 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\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><\/figure>\n<\/div>\n\n\n\n<p class=\"has-text-align-center has-text-align-center\" id=\"block-bdf220a1-3635-4794-9101-81d879939b92\"><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\n\n\n<p class=\"has-text-align-center has-text-align-center\" id=\"block-a1315aab-406f-48df-97fc-6b9584e6e134\"><strong>V\u00e0 nhanh tay tham kh\u1ea3o\u00a0<a href=\"http:\/\/itviec.com\/?utm_medium=anchor_text_low&amp;utm_source=blog&amp;utm_campaign=viec_lam_java&amp;utm_content=hoc_java_de_lam_gi\" target=\"_blank\" rel=\"noreferrer noopener\">vi\u1ec7c l\u00e0m IT<\/a>\u00a0\u201cch\u1ea5t\u201d tr\u00ean ITviec<\/strong>!<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh n\u1ed5i ti\u1ebfng v\u1edbi c\u1ed9ng \u0111\u1ed3ng l\u1eadp tr\u00ecnh vi\u00ean tr\u00ean to\u00e0n th\u1ebf gi\u1edbi, \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi James Gosling t\u1ea1i Sun Microsystems (gi\u1edd \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n c\u1ee7a Oracle Corporation). Tuy n\u1ed5i ti\u1ebfng nh\u01b0ng v\u1eabn c\u00f2n nhi\u1ec1u ng\u01b0\u1eddi ch\u01b0a th\u1eadt s\u1ef1 hi\u1ec3u h\u1ecdc Java \u0111\u1ec3 l\u00e0m g\u00ec, c\u0169ng [&hellip;]<\/p>\n","protected":false},"author":222,"featured_media":66555,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[109,99],"tags":[],"class_list":["post-66551","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chuyen-mon-it","category-developer"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>H\u1ecdc Java \u0111\u1ec3 l\u00e0m g\u00ec? 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