{"id":77291,"date":"2024-08-29T16:45:45","date_gmt":"2024-08-29T09:45:45","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=77291"},"modified":"2025-10-01T13:35:13","modified_gmt":"2025-10-01T06:35:13","slug":"java-backend-la-gi","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/java-backend-la-gi\/","title":{"rendered":"Java Backend: L\u1ed9 tr\u00ecnh h\u1ecdc Java Backend chi ti\u1ebft A-Z"},"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-backend-la-gi\/#Java_backend_la_gi\" >Java backend 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-backend-la-gi\/#8_ly_do_nen_chon_Java_de_lap_trinh_backend\" >8 l\u00fd do n\u00ean ch\u1ecdn Java \u0111\u1ec3 l\u1eadp tr\u00ecnh backend<\/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-backend-la-gi\/#Lo_trinh_hoc_Java_Backend\" >L\u1ed9 tr\u00ecnh h\u1ecdc Java Backend<\/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-backend-la-gi\/#Cac_khoa_hoc_tai_lieu_tham_khao_ve_Java_Backend\" >C\u00e1c kh\u00f3a h\u1ecdc &amp; t\u00e0i li\u1ec7u tham kh\u1ea3o v\u1ec1 Java Backend<\/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-backend-la-gi\/#Cac_cau_hoi_thuong_gap_ve_Java_backend\" >C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Java backend<\/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-backend-la-gi\/#Tong_ket\" >T\u1ed5ng k\u1ebft<\/a><\/li><\/ul><\/nav><\/div>\n\n<p><em><strong>Java backend \u0111\u1ec1 c\u1eadp \u0111\u1ebfn l\u1eadp tr\u00ecnh v\u00e0 ki\u1ebfn \u200b\u200btr\u00fac ph\u00eda m\u00e1y ch\u1ee7 h\u1ed7 tr\u1ee3 ch\u1ee9c n\u0103ng c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 d\u1ecbch v\u1ee5 web \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng b\u1eb1ng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Java. N\u00f3 bao g\u1ed3m nhi\u1ec1u th\u00e0nh ph\u1ea7n, c\u00f4ng ngh\u1ec7 v\u00e0 ph\u01b0\u01a1ng th\u1ee9c kh\u00e1c nhau ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau \u0111\u1ec3 t\u1ea1o ra c\u00e1c h\u1ec7 th\u1ed1ng backend m\u1ea1nh m\u1ebd, c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng v\u00e0 hi\u1ec7u qu\u1ea3. <\/strong><\/em><b><i>N\u1ebfu b\u1ea1n \u0111ang c\u00f3 \u0111\u1ecbnh h\u01b0\u1edbng tr\u1edf th\u00e0nh Java Backend Developer, \u0111\u1eebng b\u1ecf qua c\u00e1c th\u00f4ng tin v\u1ec1 l\u1ed9 tr\u00ecnh h\u1ecdc Java Backend Developer chi ti\u1ebft A-Z.<\/i><\/b><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ecdc b\u00e0i vi\u1ebft \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Java Backend l\u00e0 g\u00ec?<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">8 l\u00fd do n\u00ean ch\u1ecdn Java \u0111\u1ec3 l\u1eadp tr\u00ecnh Backend<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">L\u1ed9 tr\u00ecnh h\u1ecdc t\u1eadp Java Backend chi ti\u1ebft<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">C\u00e1c kh\u00f3a h\u1ecdc v\u00e0 t\u00e0i li\u1ec7u tham kh\u1ea3o v\u1ec1 Java Backend<\/span><\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Xem th\u00eam:<strong> <a href=\"https:\/\/itviec.com\/it-jobs\/java?utm_medium=anchor_text_high&amp;utm_source=blog&amp;utm_campaign=viec_lam_java_noi_bat&amp;utm_content=java_backend_la_gi\" target=\"_blank\" rel=\"noopener\">Vi\u1ec7c l\u00e0m Java n\u1ed5i b\u1eadt<\/a><\/strong><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-java-backend-la-gi\"><span class=\"ez-toc-section\" id=\"Java_backend_la_gi\"><\/span><b>Java backend l\u00e0 g\u00ec?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-java-la-gi\"><b>Java l\u00e0 g\u00ec?<\/b><\/h3>\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, d\u1ef1a tr\u00ean l\u1edbp, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch cao tr\u00ean nhi\u1ec1u n\u1ec1n t\u1ea3ng kh\u00e1c nhau. \u0110\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi James Gosling v\u00e0o n\u0103m 1995, Java n\u1ed5i ti\u1ebfng v\u1edbi t\u00ednh \u0111\u01a1n gi\u1ea3n, \u0111\u1ed9 tin c\u1eady v\u00e0 b\u1ea3o m\u1eadt, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn cho c\u00e1c \u1ee9ng d\u1ee5ng doanh nghi\u1ec7p.&nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u1edbi \u0111\u1eb7c t\u00ednh &#8220;vi\u1ebft m\u1ed9t l\u1ea7n, ch\u1ea1y m\u1ecdi n\u01a1i&#8221; (WORA &#8211; Write Once, Run Anywhere), Java c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh kh\u00e1c nhau m\u00e0 kh\u00f4ng c\u1ea7n bi\u00ean d\u1ecbch l\u1ea1i, m\u1edf r\u1ed9ng kh\u1ea3 n\u0103ng \u1ee9ng d\u1ee5ng c\u1ee7a ng\u00f4n ng\u1eef n\u00e0y.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-backend-la-gi\"><b>Backend l\u00e0 g\u00ec?<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Backend l\u00e0 qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf, t\u1ea1o, tri\u1ec3n khai v\u00e0 qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u, m\u00e1y ch\u1ee7, \u1ee9ng d\u1ee5ng v\u00e0 b\u1ea5t k\u1ef3 quy tr\u00ecnh n\u00e0o kh\u00e1c ch\u1ea1y trong n\u1ec1n c\u1ee7a trang web ho\u1eb7c \u1ee9ng d\u1ee5ng. Backend ch\u1ecbu tr\u00e1ch nhi\u1ec7m x\u1eed l\u00fd logic kinh doanh v\u00e0 giao ti\u1ebfp gi\u1eefa frontend c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u ho\u1eb7c c\u00e1c d\u1ecbch v\u1ee5 kh\u00e1c.&nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Nhi\u1ec7m v\u1ee5 ch\u00ednh c\u1ee7a backend l\u00e0 \u0111\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c g\u1eedi t\u1eeb frontend \u0111\u1ec1u \u0111\u01b0\u1ee3c x\u1eed l\u00fd hi\u1ec7u qu\u1ea3, tr\u1ea3 v\u1ec1 d\u1eef li\u1ec7u ph\u00f9 h\u1ee3p ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng CRUD (t\u1ea1o, \u0111\u1ecdc, c\u1eadp nh\u1eadt, x\u00f3a) tr\u00ean d\u1eef li\u1ec7u.&nbsp;<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-8-ly-do-nen-ch\u1ecdn-java-d\u1ec3-l\u1eadp-trinh-backend\"><span class=\"ez-toc-section\" id=\"8_ly_do_nen_chon_Java_de_lap_trinh_backend\"><\/span><b>8 l\u00fd do n\u00ean ch\u1ecdn Java \u0111\u1ec3 l\u1eadp tr\u00ecnh backend<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Theo <\/span><a href=\"https:\/\/survey.stackoverflow.co\/2025\/technology#1-programming-scripting-and-markup-languages\"><b>Stack Overflow Survey 2025<\/b><\/a><span style=\"font-weight: 400;\">, Java n\u1eb1m trong top 10 nh\u1eefng ng\u00f4n ng\u1eef ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u1ed1i v\u1edbi Developer chuy\u00ean nghi\u1ec7p. S\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng, t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 hi\u1ec7u qu\u1ea3, c\u00f9ng v\u1edbi t\u00ednh \u0111\u1ed9c l\u1eadp n\u1ec1n t\u1ea3ng, khi\u1ebfn Java tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 ph\u1ee9c t\u1ea1p c\u1ee7a m\u00e1y ch\u1ee7.&nbsp;<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>N\u1ec1n t\u1ea3ng c\u00f3 t\u00ednh \u0111\u1ed9c l\u1eadp v\u01b0\u1ee3t tr\u1ed9i:<\/b><span style=\"font-weight: 400;\"> Java cho ph\u00e9p c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean t\u1ea1o ra m\u00e3 ho\u1ea1t \u0111\u1ed9ng li\u1ec1n m\u1ea1ch tr\u00ean nhi\u1ec1u n\u1ec1n t\u1ea3ng kh\u00e1c nhau m\u00e0 kh\u00f4ng c\u1ea7n s\u1eeda \u0111\u1ed5i, gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 t\u00e0i nguy\u00ean, \u0111\u1ed3ng th\u1eddi m\u1edf r\u1ed9ng ph\u1ea1m vi \u1ee9ng d\u1ee5ng.<\/span><\/li>\n\n\n\n<li><b>H\u1ec7 sinh th\u00e1i API \u0111a d\u1ea1ng: <\/b><span style=\"font-weight: 400;\">Java cung c\u1ea5p m\u1ed9t lo\u1ea1t c\u00e1c th\u01b0 vi\u1ec7n v\u00e0 framework \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng s\u1eb5n, cung c\u1ea5p cho l\u1eadp tr\u00ecnh vi\u00ean c\u00e1c gi\u1ea3i ph\u00e1p ti\u1ec7n l\u1ee3i khi s\u1eed d\u1ee5ng cho nhi\u1ec1u lo\u1ea1i t\u00e1c v\u1ee5.<\/span><\/li>\n\n\n\n<li><b>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng \u1ee9ng d\u1ee5ng cao: <\/b><span style=\"font-weight: 400;\">Bytecode \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a v\u00e0 kh\u1ea3 n\u0103ng \u0111a lu\u1ed3ng m\u1ea1nh m\u1ebd cho ph\u00e9p c\u00e1c \u1ee9ng d\u1ee5ng Java x\u1eed l\u00fd c\u1ea3 kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c nh\u1ecf v\u00e0 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp cao v\u1edbi hi\u1ec7u qu\u1ea3 \u0111\u00e1ng ch\u00fa \u00fd.&nbsp;<\/span><\/li>\n\n\n\n<li><b>Kh\u1ea3 n\u0103ng b\u1ea3o m\u1eadt cao: <\/b><span style=\"font-weight: 400;\">Tr\u1ecdng t\u00e2m c\u1ee7a Java l\u00e0 t\u1eadp trung v\u00e0o qu\u1ea3n l\u00fd b\u1ed9 nh\u1edb, x\u1eed l\u00fd ngo\u1ea1i l\u1ec7 v\u00e0 c\u00e1c t\u00ednh n\u0103ng b\u1ea3o m\u1eadt t\u00edch h\u1ee3p g\u00f3p ph\u1ea7n t\u1ea1o n\u00ean danh ti\u1ebfng c\u1ee7a n\u00f3 trong vi\u1ec7c s\u1ea3n xu\u1ea5t c\u00e1c \u1ee9ng d\u1ee5ng c\u1ef1c k\u1ef3 an to\u00e0n.&nbsp;<\/span><\/li>\n\n\n\n<li><b>C\u1ed9ng \u0111\u1ed3ng Java r\u1ed9ng:<\/b><span style=\"font-weight: 400;\"> L\u1eadp tr\u00ecnh vi\u00ean c\u00f3 th\u1ec3 chia s\u1ebb ki\u1ebfn th\u1ee9c, t\u00e0i nguy\u00ean v\u00e0 h\u1ed7 tr\u1ee3 h\u1ecdc t\u1eadp, trau d\u1ed3i kinh nghi\u1ec7m qua c\u1ed9ng \u0111\u1ed3ng n\u00e0y.<\/span><\/li>\n\n\n\n<li><b>N\u1ec1n t\u1ea3ng c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao: <\/b><span style=\"font-weight: 400;\">S\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a Java \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n qua c\u00e1c t\u00ednh n\u0103ng nh\u01b0 c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd, t\u00e0i li\u1ec7u to\u00e0n di\u1ec7n v\u00e0 kh\u1ea3 n\u0103ng gi\u1ea3m thi\u1ec3u r\u1ee7i ro trong khi ph\u00e1t tri\u1ec3n web.<\/span><\/li>\n\n\n\n<li><b>M\u00f4 h\u00ecnh l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng:<\/b><span style=\"font-weight: 400;\"> B\u1eb1ng c\u00e1ch m\u00f4 h\u00ecnh h\u00f3a c\u00e1c th\u1ef1c th\u1ec3 trong th\u1ebf gi\u1edbi th\u1ef1c d\u01b0\u1edbi d\u1ea1ng \u0111\u1ed1i t\u01b0\u1ee3ng, c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 c\u1ea5u tr\u00fac t\u1ed1t v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng.<\/span><\/li>\n\n\n\n<li><b>\u0110\u01b0\u1ee3c nhi\u1ec1u doanh nghi\u1ec7p tin d\u00f9ng: <\/b><span style=\"font-weight: 400;\">V\u1edbi kh\u1ea3 n\u0103ng x\u1eed l\u00fd logic kinh doanh ph\u1ee9c t\u1ea1p, Java tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean cho c\u00e1c \u1ee9ng d\u1ee5ng quy m\u00f4 l\u1edbn.<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">T\u00f3m l\u1ea1i, s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa t\u00ednh \u0111\u1ed9c l\u1eadp n\u1ec1n t\u1ea3ng, h\u1ec7 sinh th\u00e1i API phong ph\u00fa, hi\u1ec7u n\u0103ng, \u0111\u1ed9 tin c\u1eady, b\u1ea3o m\u1eadt, c\u1ed9ng \u0111\u1ed3ng m\u1ea1nh m\u1ebd, s\u1ef1 ch\u00edn ch\u1eafn v\u00e0 b\u1ea3n ch\u1ea5t h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee7a Java khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn xu\u1ea5t s\u1eafc cho ph\u00e1t tri\u1ec3n backend. Kh\u1ea3 n\u0103ng x\u1eed l\u00fd m\u1ed9t lo\u1ea1t c\u00e1c \u1ee9ng d\u1ee5ng, t\u1eeb d\u1ef1 \u00e1n nh\u1ecf \u0111\u1ebfn h\u1ec7 th\u1ed1ng c\u1ea5p doanh nghi\u1ec7p, c\u1ee7ng c\u1ed1 v\u1ecb th\u1ebf d\u1eabn \u0111\u1ea7u c\u1ee7a n\u00f3 trong ng\u00e0nh.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-l\u1ed9-trinh-h\u1ecdc-java-backend\"><span class=\"ez-toc-section\" id=\"Lo_trinh_hoc_Java_Backend\"><\/span><b>L\u1ed9 tr\u00ecnh h\u1ecdc Java Backend<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">N\u1ebfu b\u1ea1n mu\u1ed1n tr\u1edf th\u00e0nh Java Backend Developer, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o v\u00e0 b\u1eaft \u0111\u1ea7u h\u1ecdc t\u1eadp theo l\u1ed9 tr\u00ecnh \u0111\u01b0\u1ee3c g\u1ee3i \u00fd b\u00ean d\u01b0\u1edbi \u0111\u00e2y.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-h\u1ecdc-nh\u1eefng-ki\u1ebfn-th\u1ee9c-c\u01a1-b\u1ea3n-v\u1ec1-java\"><b>H\u1ecdc nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 Java<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">N\u1ec1n t\u1ea3ng \u0111\u1ec3 tr\u1edf th\u00e0nh m\u1ed9t Java Backend Developer th\u00e0nh th\u1ea1o b\u1eaft \u0111\u1ea7u b\u1eb1ng s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n c\u1ee7a l\u1eadp tr\u00ecnh Java. \u1ede giai \u0111o\u1ea1n \u0111\u1ea7u ti\u00ean n\u00e0y, h\u00e3y t\u00ecm hi\u1ec3u v\u1ec1:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>C\u00fa ph\u00e1p v\u00e0 ki\u1ec3u d\u1eef li\u1ec7u Java: <\/b><span style=\"font-weight: 400;\">T\u00ecm hi\u1ec3u nh\u1eefng ki\u1ebfn \u200b\u200bth\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 c\u00fa ph\u00e1p Java, bao g\u1ed3m bi\u1ebfn, ki\u1ec3u d\u1eef li\u1ec7u, to\u00e1n t\u1eed v\u00e0 c\u1ea5u tr\u00fac \u0111i\u1ec1u khi\u1ec3n (\u0111i\u1ec1u ki\u1ec7n v\u00e0 v\u00f2ng l\u1eb7p).<\/span><\/li>\n\n\n\n<li><b>C\u00e1c kh\u00e1i ni\u1ec7m v\u1ec1 l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng (OOP):<\/b><span style=\"font-weight: 400;\"> C\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc v\u1ec1 c\u00e1c nguy\u00ean t\u1eafc OOP nh\u01b0 l\u1edbp, \u0111\u1ed1i t\u01b0\u1ee3ng, k\u1ebf th\u1eeba, \u0111a h\u00ecnh v\u00e0 \u0111\u00f3ng g\u00f3i (implementation).<\/span><\/li>\n\n\n\n<li><b>X\u1eed l\u00fd ngo\u1ea1i l\u1ec7: <\/b><span style=\"font-weight: 400;\">Hi\u1ec3u c\u00e1ch x\u1eed l\u00fd v\u00e0 qu\u1ea3n l\u00fd ngo\u1ea1i l\u1ec7 trong Java.<\/span><\/li>\n\n\n\n<li><b>Collection Framework: <\/b><span style=\"font-weight: 400;\">N\u1eafm v\u1eefng c\u00e1c c\u1ea5u tr\u00fac d\u1eef li\u1ec7u t\u00edch h\u1ee3p c\u1ee7a Java, ch\u1eb3ng h\u1ea1n danh s\u00e1ch, t\u1eadp h\u1ee3p, b\u1ea3n \u0111\u1ed3 v\u00e0 c\u00e1ch tri\u1ec3n khai ch\u00fang.<\/span><\/li>\n\n\n\n<li><b>Generic v\u00e0 bi\u1ec3u th\u1ee9c Lambda: <\/b><span style=\"font-weight: 400;\">T\u00ecm hi\u1ec3u v\u1ec1 generic v\u00e0 bi\u1ec3u th\u1ee9c lambda, nh\u1eefng th\u00e0nh ph\u1ea7n c\u1ea7n thi\u1ebft \u0111\u1ec3 vi\u1ebft m\u00e3 Java ng\u1eafn g\u1ecdn v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec.<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-tim-hi\u1ec3u-sau-h\u01a1n-v\u1ec1-collection-serialization-threading-stream-amp-lambda\"><b>T\u00ecm hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 Collection, Serialization, Threading, Stream &amp; Lambda<\/b><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-collection\"><b> Collection<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 x\u1eed l\u00fd d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3. B\u1ea1n h\u00e3y \u0111i s\u00e2u v\u00e0o c\u00e1c c\u1ea5u tr\u00fac d\u1eef li\u1ec7u c\u1ed1t l\u00f5i nh\u01b0:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Lists: <\/b><span style=\"font-weight: 400;\">C\u00e1c collection \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp cho ph\u00e9p tr\u00f9ng l\u1eb7p. V\u00ed d\u1ee5: ArrayList, LinkedList, Vector,&#8230;<\/span><\/li>\n\n\n\n<li><b>Sets:<\/b><span style=\"font-weight: 400;\"> C\u00e1c collection kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp kh\u00f4ng c\u00f3 tr\u00f9ng l\u1eb7p v\u00e0 kh\u00f4ng c\u00f3 th\u1ee9 t\u1ef1. V\u00ed d\u1ee5: HashSet, TreeSet, LinkedHashMap,&#8230;<\/span><\/li>\n\n\n\n<li><b>Maps: <\/b><span style=\"font-weight: 400;\">C\u00e1c c\u1eb7p kh\u00f3a-gi\u00e1 tr\u1ecb \u0111\u1ec3 tra c\u1ee9u hi\u1ec7u qu\u1ea3. V\u00ed d\u1ee5: HashMap, TreeMap,&#8230;<\/span><\/li>\n\n\n\n<li><b>Queue<\/b><span style=\"font-weight: 400;\">: C\u1ea5u tr\u00fac d\u1eef li\u1ec7u tu\u00e2n theo nguy\u00ean t\u1eafc First In First Out (FIFO), t\u1ee9c l\u00e0 ph\u1ea7n t\u1eed n\u00e0o \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ea7u ti\u00ean s\u1ebd \u0111\u01b0\u1ee3c l\u1ea5y ra \u0111\u1ea7u ti\u00ean.<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">Hi\u1ec3u \u0111\u01b0\u1ee3c th\u1eddi \u0111i\u1ec3m s\u1eed d\u1ee5ng t\u1eebng c\u1ea5u tr\u00fac l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 c\u00f3 hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u v\u00e0 kh\u1ea3 n\u0103ng \u0111\u1ecdc m\u00e3.<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-serialization\"><b> Serialization<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Serialization l\u00e0 qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng Java th\u00e0nh lu\u1ed3ng byte \u0111\u1ec3 l\u01b0u tr\u1eef ho\u1eb7c truy\u1ec1n. \u0110i\u1ec1u n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft cho:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Persistence<\/b><span style=\"font-weight: 400;\">: L\u01b0u tr\u1ea1ng th\u00e1i \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0o \u0111\u0129a ho\u1eb7c c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/span><\/li>\n\n\n\n<li><b>Networking<\/b><span style=\"font-weight: 400;\">: G\u1eedi c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng qua m\u1ea1ng.<\/span><\/li>\n\n\n\n<li><b>Remote Method Invocation (RMI)<\/b><span style=\"font-weight: 400;\">: Truy\u1ec1n c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng gi\u1eefa c\u00e1c JVM.<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">Java cung c\u1ea5p c\u00e1c c\u01a1 ch\u1ebf tu\u1ea7n t\u1ef1 h\u00f3a t\u00edch h\u1ee3p, nh\u01b0ng tu\u1ea7n t\u1ef1 h\u00f3a t\u00f9y ch\u1ec9nh c\u00f3 th\u1ec3 c\u1ea7n thi\u1ebft cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng ph\u1ee9c t\u1ea1p.<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-threading\"><b> Threading<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n \u0111\u1ea1i c\u00f3 nhi\u1ec1u l\u00f5i v\u00e0 Java cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd \u0111\u1ec3 t\u1eadn d\u1ee5ng ch\u00fang:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Thread Basic<\/b><span style=\"font-weight: 400;\">: C\u00e1c \u0111\u01a1n v\u1ecb th\u1ef1c thi \u0111\u1ed9c l\u1eadp trong m\u1ed9t quy tr\u00ecnh.<\/span><\/li>\n\n\n\n<li><b>\u0110\u1ed3ng b\u1ed9 h\u00f3a:<\/b><span style=\"font-weight: 400;\"> Ph\u1ed1i h\u1ee3p truy c\u1eadp v\u00e0o c\u00e1c t\u00e0i nguy\u00ean \u0111\u01b0\u1ee3c chia s\u1ebb.<\/span><\/li>\n\n\n\n<li><b>Ti\u1ec7n \u00edch \u0111\u1ed3ng th\u1eddi<\/b><span style=\"font-weight: 400;\">: C\u00e1c ph\u00e9p tr\u1eebu t\u01b0\u1ee3ng c\u1ea5p cao h\u01a1n cho c\u00e1c m\u1eabu \u0111\u1ed3ng th\u1eddi chung.<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">Vi\u1ec7c n\u1eafm v\u1eefng lu\u1ed3ng s\u1ebd gi\u00fap b\u1ea1n x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c hi\u1ec7u qu\u1ea3.<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-stream-amp-lambda\"><b> Stream &amp; Lambda<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Java 8 \u0111\u00e3 gi\u1edbi thi\u1ec7u lu\u1ed3ng v\u00e0 bi\u1ec3u th\u1ee9c lambda, \u0111\u01b0a c\u00e1c kh\u00e1i ni\u1ec7m l\u1eadp tr\u00ecnh h\u00e0m v\u00e0o ng\u00f4n ng\u1eef.<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Stream:<\/b><span style=\"font-weight: 400;\"> X\u1eed l\u00fd c\u00e1c b\u1ed9 s\u01b0u t\u1eadp theo phong c\u00e1ch khai b\u00e1o.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">L\u1ecdc, \u00e1nh x\u1ea1, gi\u1ea3m d\u1eef li\u1ec7u.<\/span><\/li>\n\n\n\n<li><b>Lambda:<\/b><span style=\"font-weight: 400;\"> Bi\u1ec3u th\u1ee9c ng\u1eafn g\u1ecdn \u0111\u1ec3 t\u1ea1o giao di\u1ec7n h\u00e0m.<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">Lu\u1ed3ng v\u00e0 lambda n\u00e2ng cao kh\u1ea3 n\u0103ng \u0111\u1ecdc, kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e3.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-tim-hi\u1ec3u-v\u1ec1-cong-c\u1ee5-build\"><b>T\u00ecm hi\u1ec3u v\u1ec1 C\u00f4ng c\u1ee5 Build<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00f4ng c\u1ee5 Build l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n Java, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong l\u0129nh v\u1ef1c backend. Ch\u00fang t\u1ef1 \u0111\u1ed9ng h\u00f3a qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng, \u0111\u00f3ng g\u00f3i v\u00e0 qu\u1ea3n l\u00fd c\u00e1c d\u1ef1 \u00e1n Java, gi\u00fap t\u0103ng n\u0103ng su\u1ea5t v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a ph\u1ea7n m\u1ec1m. Maven, Gradle v\u00e0 Ant l\u00e0 3 c\u00f4ng c\u1ee5 Build ph\u1ed5 bi\u1ebfn hi\u1ec7n nay.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><b>C\u00f4ng c\u1ee5<\/b><\/td><td><b>\u01afu \u0111i\u1ec3m<\/b><\/td><td><b>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/b><\/td><\/tr><tr><td><a href=\"https:\/\/maven.apache.org\/\" target=\"_blank\" rel=\"noopener\"><b>Maven<\/b><\/a><\/td><td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; S\u1eed d\u1ee5ng m\u1ed9t kho l\u01b0u tr\u1eef trung t\u00e2m (Maven Central Repository) \u0111\u1ec3 qu\u1ea3n l\u00fd c\u00e1c th\u01b0 vi\u1ec7n, plugin v\u00e0 c\u00e1c ph\u1ee5 thu\u1ed9c kh\u00e1c c\u1ee7a d\u1ef1 \u00e1n gi\u00fap gi\u1ea3m thi\u1ec3u xung \u0111\u1ed9t phi\u00ean b\u1ea3n v\u00e0 \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u00e1 tr\u00ecnh qu\u1ea3n l\u00fd.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; C\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh to\u00e0n b\u1ed9 d\u1ef1 \u00e1n m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng v\u1edbi file pom.xml.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; C\u1ed9ng \u0111\u1ed3ng ng\u01b0\u1eddi d\u00f9ng r\u1ed9ng l\u1edbn, n\u00ean d\u1ec5 d\u00e0ng t\u00ecm th\u1ea5y t\u00e0i li\u1ec7u, plugin v\u00e0 h\u1ed7 tr\u1ee3 khi c\u1ea7n.<\/span><\/p>\n<\/td><td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; \u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n l\u1edbn, c\u1ea5u h\u00ecnh pom.xml c\u00f3 th\u1ec3 tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; C\u00f3 th\u1ec3 kh\u1edfi \u0111\u1ed9ng ch\u1eadm h\u01a1n so v\u1edbi Gradle, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n l\u1edbn.<\/span><\/p>\n<\/td><\/tr><tr><td><a href=\"https:\/\/gradle.org\/\" target=\"_blank\" rel=\"noopener\"><b>Gradle<\/b><\/a><\/td><td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; Cung c\u1ea5p m\u1ed9t ng\u00f4n ng\u1eef c\u1ea5u h\u00ecnh d\u1ef1a tr\u00ean Groovy, cho ph\u00e9p t\u00f9y ch\u1ec9nh qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng m\u1ed9t c\u00e1ch linh ho\u1ea1t.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; Nhanh h\u01a1n Maven, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n l\u1edbn.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; C\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c d\u1ef1 \u00e1n cho nhi\u1ec1u n\u1ec1n t\u1ea3ng kh\u00e1c nhau.<\/span><\/p>\n<\/td><td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; Ng\u00f4n ng\u1eef c\u1ea5u h\u00ecnh Groovy c\u00f3 th\u1ec3 kh\u00f3 h\u1ecdc \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; M\u1eb7c d\u00f9 \u0111ang ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng, nh\u01b0ng c\u1ed9ng \u0111\u1ed3ng Gradle v\u1eabn nh\u1ecf h\u01a1n so v\u1edbi Maven.<\/span><\/p>\n<\/td><\/tr><tr><td><a href=\"https:\/\/ant.apache.org\/\" target=\"_blank\" rel=\"noopener\"><b>Ant<\/b><\/a><\/td><td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; Ant cho ph\u00e9p b\u1ea1n t\u00f9y ch\u1ec9nh qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng m\u1ed9t c\u00e1ch chi ti\u1ebft.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; C\u00fa ph\u00e1p XML c\u1ee7a Ant kh\u00e1 \u0111\u01a1n gi\u1ea3n.<\/span><\/p>\n<\/td><td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; So v\u1edbi Maven v\u00e0 Gradle, Ant thi\u1ebfu nhi\u1ec1u t\u00ednh n\u0103ng hi\u1ec7n \u0111\u1ea1i.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; \u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n l\u1edbn, c\u1ea5u h\u00ecnh Ant c\u00f3 th\u1ec3 tr\u1edf n\u00ean r\u1ea5t ph\u1ee9c t\u1ea1p.<\/span><\/p>\n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-h\u1ecdc-v\u1ec1-cac-web-framework\"><b>H\u1ecdc v\u1ec1 c\u00e1c Web Framework<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Khi ph\u00e1t tri\u1ec3n c\u00e1c \u1ee9ng d\u1ee5ng web b\u1eb1ng Java, vi\u1ec7c s\u1eed d\u1ee5ng m\u1ed9t web framework s\u1ebd gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m th\u1eddi gian, t\u0103ng n\u0103ng su\u1ea5t v\u00e0 t\u1ea1o ra c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ea5t l\u01b0\u1ee3ng cao h\u01a1n. C\u00e1c framework cung c\u1ea5p m\u1ed9t n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc, c\u00e1c th\u00e0nh ph\u1ea7n s\u1eb5n c\u00f3 v\u00e0 c\u00e1c quy t\u1eafc t\u1ed1t nh\u1ea5t \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng web ph\u1ee9c t\u1ea1p.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00e1c Web Framework ph\u1ed5 bi\u1ebfn cho Java m\u00e0 b\u1ea1n n\u00ean t\u00ecm hi\u1ec3u g\u1ed3m:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Spring:<\/b><span style=\"font-weight: 400;\"> Framework s\u1ed1 m\u1ed9t cho c\u00e1c \u1ee9ng d\u1ee5ng Java enterprise. N\u00f3 cung c\u1ea5p m\u1ed9t h\u1ec7 sinh th\u00e1i c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 th\u01b0 vi\u1ec7n phong ph\u00fa, bao g\u1ed3m Spring MVC, Spring Data, Spring Security, &#8230;<\/span><\/li>\n\n\n\n<li><b>Spring Boot: <\/b><span style=\"font-weight: 400;\">Framework x\u00e2y d\u1ef1ng tr\u00ean n\u1ec1n t\u1ea3ng Spring, gi\u00fap b\u1ea1n kh\u1edfi t\u1ea1o v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c \u1ee9ng d\u1ee5ng Spring m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 d\u1ec5 d\u00e0ng.<\/span><\/li>\n\n\n\n<li><b>Play:<\/b><span style=\"font-weight: 400;\"> Framework nh\u1eb9 nh\u00e0ng, hi\u1ec7u n\u0103ng cao, d\u1ef1a tr\u00ean m\u00f4 h\u00ecnh actor.<\/span><\/li>\n\n\n\n<li><b>Struts: <\/b><span style=\"font-weight: 400;\">M\u1ed9t trong nh\u1eefng framework Java web l\u00e2u \u0111\u1eddi nh\u1ea5t, v\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i.<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-h\u1ecdc-v\u1ec1-jdbc-java-database-connectivity\"><b>H\u1ecdc v\u1ec1 JDBC (Java Database Connectivity)<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">JDBC l\u00e0 m\u1ed9t API (Application Programming Interface) \u0111\u00f3ng vai tr\u00f2 c\u1ea7u n\u1ed1i gi\u1eefa \u1ee9ng d\u1ee5ng Java v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u. N\u00f3 cung c\u1ea5p m\u1ed9t b\u1ed9 c\u00e1c l\u1edbp v\u00e0 giao di\u1ec7n cho ph\u00e9p k\u1ebft n\u1ed1i, th\u1ef1c thi c\u00e1c c\u00e2u truy v\u1ea5n SQL v\u00e0 x\u1eed l\u00fd k\u1ebft qu\u1ea3 tr\u1ea3 v\u1ec1 t\u1eeb c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Khi c\u00f3 ki\u1ebfn th\u1ee9c v\u1ec1 JDBC, b\u1ea1n c\u00f3 th\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1ch c\u00e1c \u1ee9ng d\u1ee5ng Java t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u; Vi\u1ebft c\u00e1c c\u00e2u l\u1ec7nh SQL ph\u1ee9c t\u1ea1p, t\u00f9y ch\u1ec9nh \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 v\u00e0 s\u1eed d\u1ee5ng c\u00e1c framework ORM hi\u1ec7u qu\u1ea3 h\u01a1n.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-tim-hi\u1ec3u-v\u1ec1-orm-object-relational-mapping-framework\"><b>T\u00ecm hi\u1ec3u v\u1ec1 ORM (Object-Relational Mapping) Framework<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">ORM l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt \u00e1nh x\u1ea1 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng trong l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng (OOP) v\u1edbi c\u00e1c b\u1ea3ng trong c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7. Nh\u1edd ORM, b\u1ea1n c\u00f3 th\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u th\u00f4ng qua c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng, gi\u1ea3m thi\u1ec3u vi\u1ec7c vi\u1ebft c\u00e1c c\u00e2u l\u1ec7nh SQL ph\u1ee9c t\u1ea1p.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00e1c ORM Framework ph\u1ed5 bi\u1ebfn cho Java g\u1ed3m Spring Data JPA, JPA, Hibernate v\u00e0 Ebean.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><b>ORM Framework<\/b><\/td><td><b>\u0110\u1eb7c \u0111i\u1ec3m<\/b><\/td><\/tr><tr><td><b>Spring Data JPA<\/b><\/td><td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; L\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a Spring Framework, t\u00edch h\u1ee3p ch\u1eb7t ch\u1ebd v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c c\u1ee7a Spring.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; S\u1eed d\u1ee5ng JPA (Java Persistence API) l\u00e0m ti\u00eau chu\u1ea9n.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; Cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng m\u1ea1nh m\u1ebd nh\u01b0 truy v\u1ea5n JPQL, h\u1ed7 tr\u1ee3 nhi\u1ec1u c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/span><\/p>\n<\/td><\/tr><tr><td><b>JPA (Java Persistence API)<\/b><\/td><td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; L\u00e0 m\u1ed9t ti\u00eau chu\u1ea9n c\u1ee7a Java EE, \u0111\u1ecbnh ngh\u0129a c\u00e1c API \u0111\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; Spring Data JPA l\u00e0 m\u1ed9t tri\u1ec3n khai c\u1ee7a JPA.<\/span><\/p>\n<\/td><\/tr><tr><td><b>Hibernate<\/b><\/td><td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; M\u1ed9t trong nh\u1eefng ORM framework \u0111\u1ea7u ti\u00ean v\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t cho Java.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; Cung c\u1ea5p nhi\u1ec1u t\u00ednh n\u0103ng n\u00e2ng cao nh\u01b0 caching, lazy loading.<\/span><\/p>\n<\/td><\/tr><tr><td><b>Ebean<\/b><\/td><td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; ORM nh\u1eb9, \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c d\u1ef1 \u00e1n nh\u1ecf v\u00e0 v\u1eeba.<\/span><\/p>\n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-h\u1ecdc-cach-ki\u1ec3m-tra-testing-website-ho\u1eb7c-\u1ee9ng-d\u1ee5ng\"><b>H\u1ecdc c\u00e1ch ki\u1ec3m tra (testing) website ho\u1eb7c \u1ee9ng d\u1ee5ng<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Testing l\u00e0 m\u1ed9t kh\u00e2u kh\u00f4ng th\u1ec3 thi\u1ebfu trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m. \u0110\u1ed1i v\u1edbi Java Backend Developer, vi\u1ec7c n\u1eafm v\u1eefng c\u00e1c k\u1ef9 n\u0103ng testing gi\u00fap \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">B\u1ea1n n\u00ean t\u00ecm hi\u1ec3u v\u1ec1 JUnit, Mockito v\u00e0 JMeter \u0111\u1ec3 c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh m\u1ed9t Java Backend Developer chuy\u00ean nghi\u1ec7p.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><b>N\u1ec1n t\u1ea3ng<\/b><\/td><td><b>\u0110\u1eb7c \u0111i\u1ec3m<\/b><\/td><\/tr><tr><td><b>JUnit<\/b><\/td><td><span style=\"font-weight: 400;\">Framework testing ph\u1ed5 bi\u1ebfn nh\u1ea5t cho Java, gi\u00fap b\u1ea1n vi\u1ebft c\u00e1c unit test \u0111\u1ec3 ki\u1ec3m tra t\u1eebng \u0111\u01a1n v\u1ecb nh\u1ecf c\u1ee7a code. Th\u00f4ng qua JUnit, b\u1ea1n c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n l\u1ed7i s\u1edbm, t\u0103ng \u0111\u1ed9 tin c\u1eady c\u1ee7a code, h\u1ed7 tr\u1ee3 refactoring.<\/span><\/td><\/tr><tr><td><b>Mockito<\/b><\/td><td><span style=\"font-weight: 400;\">Framework mocking gi\u00fap b\u1ea1n t\u1ea1o c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng gi\u1ea3 \u0111\u1ec3 ki\u1ec3m so\u00e1t h\u00e0nh vi c\u1ee7a ch\u00fang trong qu\u00e1 tr\u00ecnh testing. Mockito gi\u00fap t\u0103ng \u0111\u1ed9 \u0111\u1ed9c l\u1eadp c\u1ee7a test case, \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u00e1 tr\u00ecnh testing, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec code.<\/span><\/td><\/tr><tr><td><b>JMeter<\/b><\/td><td><span style=\"font-weight: 400;\">c\u00f4ng c\u1ee5 open-source \u0111\u1ec3 th\u1ef1c hi\u1ec7n performance testing, gi\u00fap b\u1ea1n \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a \u1ee9ng d\u1ee5ng d\u01b0\u1edbi t\u1ea3i l\u01b0\u1ee3ng l\u1edbn. V\u1edbi JMeter, b\u1ea1n c\u00f3 th\u1ec3 hi\u1ec7n c\u00e1c bottleneck, t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u n\u0103ng, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5.<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-tim-hi\u1ec3u-v\u1ec1-logging-framework\"><b>T\u00ecm hi\u1ec3u v\u1ec1 Logging Framework<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Logging l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c \u1ee9ng d\u1ee5ng Java backend. N\u00f3 gi\u00fap c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n theo d\u00f5i ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u1ee9ng d\u1ee5ng, t\u00ecm ra l\u1ed7i v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t.&nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong s\u1ed1 c\u00e1c framework logging ph\u1ed5 bi\u1ebfn cho Java, SLF4J v\u00e0 Logback\/Log4j l\u00e0 nh\u1eefng c\u00e1i t\u00ean \u0111\u00e1ng ch\u00fa \u00fd.<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>SLF4J (Simple Logging Facade for Java):<\/b><span style=\"font-weight: 400;\"> \u0110\u00e2y l\u00e0 m\u1ed9t facade (m\u1eb7t ti\u1ec1n) cho c\u00e1c framework logging kh\u00e1c nhau. N\u00f3 cung c\u1ea5p API th\u1ed1ng nh\u1ea5t, cho ph\u00e9p b\u1ea1n d\u1ec5 d\u00e0ng chuy\u1ec3n \u0111\u1ed5i gi\u1eefa c\u00e1c framework logging m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i code.<\/span><\/li>\n\n\n\n<li><b>Logback:<\/b><span style=\"font-weight: 400;\"> L\u00e0 m\u1ed9t framework logging m\u1ea1nh m\u1ebd, hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u01b0\u1ee3c xem l\u00e0 th\u1ebf h\u1ec7 k\u1ebf ti\u1ebfp c\u1ee7a Log4j. N\u00f3 cung c\u1ea5p nhi\u1ec1u t\u00ednh n\u0103ng linh ho\u1ea1t nh\u01b0: C\u1ea5u h\u00ecnh linh ho\u1ea1t th\u00f4ng qua XML, Groovy ho\u1eb7c JSON, \u0111\u1ed3ng th\u1eddi n\u00f3 c\u0169ng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng monitoring nh\u01b0 ELK Stack<\/span><\/li>\n\n\n\n<li><b>Log4j: <\/b><span style=\"font-weight: 400;\">L\u00e0 m\u1ed9t trong nh\u1eefng framework logging \u0111\u1ea7u ti\u00ean v\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t cho Java. M\u1eb7c d\u00f9 \u0111\u00e3 c\u00f3 phi\u00ean b\u1ea3n m\u1edbi h\u01a1n l\u00e0 Log4j 2 nh\u01b0ng Log4j v\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i.<\/span><\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Xem th\u00eam: <a href=\"https:\/\/itviec.com\/it-jobs\/backend-developer?utm_medium=anchor_text_mid&amp;utm_source=blog&amp;utm_campaign=viec_lam_backend_noi_bat&amp;utm_content=java_backend_la_gi\" target=\"_blank\" rel=\"noreferrer noopener\">Vi\u1ec7c l\u00e0m Backend n\u1ed5i b\u1eadt<\/a><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cac-khoa-h\u1ecdc-amp-tai-li\u1ec7u-tham-kh\u1ea3o-v\u1ec1-java-backend\"><span class=\"ez-toc-section\" id=\"Cac_khoa_hoc_tai_lieu_tham_khao_ve_Java_Backend\"><\/span><b>C\u00e1c kh\u00f3a h\u1ecdc &amp; t\u00e0i li\u1ec7u tham kh\u1ea3o v\u1ec1 Java Backend<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 n\u00e2ng cao nh\u1eefng hi\u1ec3u bi\u1ebft v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng l\u1eadp tr\u00ecnh Java Backend, b\u1ea1n c\u00f3 th\u1ec3 tham gia c\u00e1c kh\u00f3a h\u1ecdc c\u1ee7a Coursera, Udemy, Pluralsight,\u2026v\u1ec1 l\u1eadp tr\u00ecnh backend. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t v\u00e0i kh\u00f3a h\u1ecdc ti\u00eau bi\u1ec3u.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><b>Kho\u00e1 h\u1ecdc<\/b><\/td><td><b>\u01afu \u0111i\u1ec3m<\/b><\/td><td><b>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/b><\/td><td><b>\u0110\u1ed1i t\u01b0\u1ee3ng tham gia<\/b><\/td><\/tr><tr><td><a href=\"https:\/\/www.coursera.org\/learn\/data-structures--backend-with-java\" target=\"_blank\" rel=\"noopener\"><b>Coursera: Data Structures &amp; Backend with Java<\/b><\/a><\/td><td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; \u0110\u01b0\u1ee3c gi\u1ea3ng d\u1ea1y b\u1edfi c\u00e1c chuy\u00ean gia \u0111\u1ebfn t\u1eeb c\u00e1c tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc uy t\u00edn.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; N\u1ed9i dung t\u1eadp trung v\u00e0o c\u1ea5u tr\u00fac d\u1eef li\u1ec7u, m\u1ed9t n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc cho l\u1eadp tr\u00ecnh backend.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; C\u00f3 t\u00ednh t\u01b0\u01a1ng t\u00e1c cao v\u1edbi c\u00e1c b\u00e0i t\u1eadp, d\u1ef1 \u00e1n th\u1ef1c t\u1ebf.<\/span><\/p>\n<\/td><td><span style=\"font-weight: 400;\">&#8211; T\u1ed1c \u0111\u1ed9 h\u1ecdc c\u00f3 th\u1ec3 ch\u1eadm h\u01a1n so v\u1edbi c\u00e1c kh\u00f3a h\u1ecdc kh\u00e1c do t\u00ednh ch\u1ea5t h\u1ecdc thu\u1eadt.<\/span>\n<p><span style=\"font-weight: 400;\">&#8211; C\u00f3 th\u1ec3 y\u00eau c\u1ea7u ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng v\u1ec1 l\u1eadp tr\u00ecnh nh\u1ea5t \u0111\u1ecbnh.<\/span><\/p>\n<\/td><td><span style=\"font-weight: 400;\">Ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng ng\u01b0\u1eddi mu\u1ed1n c\u00f3 n\u1ec1n t\u1ea3ng ki\u1ebfn th\u1ee9c v\u1eefng ch\u1eafc v\u1ec1 c\u1ea5u tr\u00fac d\u1eef li\u1ec7u v\u00e0 mu\u1ed1n h\u1ecdc Java backend m\u1ed9t c\u00e1ch b\u00e0i b\u1ea3n.<\/span><\/td><\/tr><tr><td><a href=\"https:\/\/www.udemy.com\/course\/full-stack-java-developer-java\/\" target=\"_blank\" rel=\"noopener\"><b>Udemy: Full Stack Java Developer with Java<\/b><\/a><\/td><td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; Kh\u00f3a h\u1ecdc to\u00e0n di\u1ec7n, bao g\u1ed3m c\u1ea3 frontend v\u00e0 backend.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; C\u00f3 nhi\u1ec1u kh\u00f3a h\u1ecdc kh\u00e1c nhau v\u1edbi m\u1ee9c \u0111\u1ed9 kh\u00f3 kh\u00e1c nhau, ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; Th\u01b0\u1eddng xuy\u00ean c\u00f3 c\u00e1c \u01b0u \u0111\u00e3i gi\u1ea3m gi\u00e1.<\/span><\/p>\n<\/td><td><span style=\"font-weight: 400;\">&#8211; Ch\u1ea5t l\u01b0\u1ee3ng kh\u00f3a h\u1ecdc ph\u1ee5 thu\u1ed9c v\u00e0o gi\u1ea3ng vi\u00ean.<\/span>\n<p><span style=\"font-weight: 400;\">&#8211; C\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u kh\u00f3a h\u1ecdc kh\u00f4ng ch\u1ea5t l\u01b0\u1ee3ng.<\/span><\/p>\n<\/td><td><span style=\"font-weight: 400;\">Ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng ng\u01b0\u1eddi mu\u1ed1n tr\u1edf th\u00e0nh full-stack developer v\u1edbi Java.<\/span><\/td><\/tr><tr><td><a href=\"https:\/\/www.pluralsight.com\/role-iq\/java-developer\" target=\"_blank\" rel=\"noopener\"><b>Pluralsight: Java Developer<\/b><\/a><\/td><td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; N\u1ed9i dung \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; C\u00f3 nhi\u1ec1u kh\u00f3a h\u1ecdc chuy\u00ean s\u00e2u v\u1ec1 c\u00e1c ch\u1ee7 \u0111\u1ec1 kh\u00e1c nhau li\u00ean quan \u0111\u1ebfn Java.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; Giao di\u1ec7n th\u00e2n thi\u1ec7n, d\u1ec5 s\u1eed d\u1ee5ng.<\/span><\/p>\n<\/td><td><span style=\"font-weight: 400;\">&#8211; C\u1ea7n \u0111\u0103ng k\u00fd t\u00e0i kho\u1ea3n tr\u1ea3 ph\u00ed \u0111\u1ec3 truy c\u1eadp \u0111\u1ea7y \u0111\u1ee7.<\/span>\n<p><span style=\"font-weight: 400;\">&#8211; Kh\u00f4ng c\u00f3 nhi\u1ec1u kh\u00f3a h\u1ecdc mi\u1ec5n ph\u00ed.<\/span><\/p>\n<\/td><td><span style=\"font-weight: 400;\">Ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng ng\u01b0\u1eddi mu\u1ed1n n\u00e2ng cao k\u1ef9 n\u0103ng Java hi\u1ec7n c\u00f3 ho\u1eb7c mu\u1ed1n h\u1ecdc m\u1ed9t ch\u1ee7 \u0111\u1ec1 c\u1ee5 th\u1ec3.<\/span><\/td><\/tr><tr><td><a href=\"https:\/\/www.udemy.com\/course\/spring-5-with-spring-boot-2\/\" target=\"_blank\" rel=\"noopener\"><b>Udemy: Java Spring Framework 6 with Spring Boot 3<\/b><\/a><\/td><td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; T\u1eadp trung v\u00e0o Spring Framework v\u00e0 Spring Boot, hai framework ph\u1ed5 bi\u1ebfn nh\u1ea5t trong ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng Java.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; C\u00f3 nhi\u1ec1u v\u00ed d\u1ee5 th\u1ef1c t\u1ebf.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; C\u00f3 m\u00e3 ngu\u1ed3n \u0111\u1ec3 tham kh\u1ea3o.<\/span><\/p>\n<\/td><td><span style=\"font-weight: 400;\">N\u00ean c\u00f3 ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 Java tr\u01b0\u1edbc khi h\u1ecdc.<\/span><\/td><td><span style=\"font-weight: 400;\">Ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng ng\u01b0\u1eddi mu\u1ed1n l\u00e0m vi\u1ec7c v\u1edbi Spring Framework v\u00e0 Spring Boot.<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><span style=\"font-weight: 400;\">B\u00ean c\u1ea1nh kho\u00e1 h\u1ecdc, b\u1ea1n c\u00f2n c\u00f3 th\u1ec3 trau d\u1ed3i ki\u1ebfn th\u1ee9c l\u1eadp tr\u00ecnh Java Backend v\u1edbi nh\u1eefng ngu\u1ed3n t\u00e0i li\u1ec7u mi\u1ec5n ph\u00ed nh\u01b0:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>YouTube<\/b><span style=\"font-weight: 400;\">: C\u00f3 r\u1ea5t nhi\u1ec1u k\u00eanh YouTube cung c\u1ea5p c\u00e1c kh\u00f3a h\u1ecdc Java mi\u1ec5n ph\u00ed v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng cao. M\u1ed9t s\u1ed1 k\u00eanh n\u1ed5i ti\u1ebfng nh\u01b0 <\/span><a href=\"https:\/\/www.youtube.com\/@TraversyMedia\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Traversy Media<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/www.youtube.com\/@TheCodingTrain\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">The Coding Train<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/www.youtube.com\/@freecodecamp\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">freeCodeCamp<\/span><\/a><span style=\"font-weight: 400;\">,&#8230;<\/span><\/li>\n\n\n\n<li><a href=\"https:\/\/www.codecademy.com\/\" target=\"_blank\" rel=\"noopener\"><b>Codecademy<\/b><\/a><span style=\"font-weight: 400;\">: N\u1ec1n t\u1ea3ng h\u1ecdc l\u1eadp tr\u00ecnh tr\u1ef1c tuy\u1ebfn cung c\u1ea5p c\u00e1c kh\u00f3a h\u1ecdc Java t\u01b0\u01a1ng t\u00e1c v\u00e0 d\u1ec5 hi\u1ec3u.<\/span><\/li>\n\n\n\n<li><a href=\"https:\/\/www.hackerrank.com\/\" target=\"_blank\" rel=\"noopener\"><b>HackerRank<\/b><\/a><span style=\"font-weight: 400;\">: N\u1ec1n t\u1ea3ng cung c\u1ea5p c\u00e1c b\u00e0i t\u1eadp l\u1eadp tr\u00ecnh \u0111\u1ec3 b\u1ea1n r\u00e8n luy\u1ec7n k\u1ef9 n\u0103ng gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1.<\/span><\/li>\n\n\n\n<li><b>S\u00e1ch<\/b><span style=\"font-weight: 400;\">: <\/span><a href=\"https:\/\/github.com\/media-lib\/prog_lib\/blob\/master\/java\/Bruce%20Eckel%20-%20Thinking%20in%20Java%204th%20Edition.pdf\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Thinking in Java<\/span><\/a><span style=\"font-weight: 400;\"> c\u1ee7a Bruce Eckel, <\/span><a href=\"https:\/\/www.rcsdk12.org\/cms\/lib\/NY01001156\/Centricity\/Domain\/4951\/Head_First_Java_Second_Edition.pdf\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Head First Java<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/github.com\/GunterMueller\/Books-3\/blob\/master\/Effective%20Java%20(3rd%20Edition).pdf\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Effective Java<\/span><\/a><span style=\"font-weight: 400;\"> c\u1ee7a Joshua Bloch,&#8230;<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, c\u00e1c c\u1ed9ng \u0111\u1ed3ng l\u1edbn nh\u01b0 <\/span><a href=\"https:\/\/stackoverflow.com\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Stack Overflow<\/span><\/a><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><a href=\"https:\/\/www.reddit.com\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Reddit<\/span><\/a><span style=\"font-weight: 400;\"> c\u0169ng r\u1ea5t h\u1eefu \u00edch cho b\u1ea1n khi h\u1ecdc l\u1eadp tr\u00ecnh Java Backend.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cac-cau-h\u1ecfi-th\u01b0\u1eddng-g\u1eb7p-v\u1ec1-java-backend\"><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_thuong_gap_ve_Java_backend\"><\/span><b>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Java backend<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-m\u1ee9c-l\u01b0\u01a1ng-c\u1ee7a-java-backend-developer-la-bao-nhieu-nbsp\"><b>M\u1ee9c l\u01b0\u01a1ng c\u1ee7a Java Backend Developer l\u00e0 bao nhi\u00eau?<\/b><span style=\"font-weight: 400;\">&nbsp;<\/span><\/h3>\n\n\n\n<p><span style=\"\">Theo nghi\u00ean c\u1ee9u \u201c<a href=\"https:\/\/itviec.com\/blog\/bao-cao-luong-it\"><strong>M\u1ee9c l\u01b0\u01a1ng v\u00e0 mong \u0111\u1ee3i ngh\u1ec1 nghi\u1ec7p c\u1ee7a c\u00e1c chuy\u00ean gia IT n\u0103m 2024 &#8211; 202<\/strong><\/a><\/span><span style=\"font-weight: 400;\"><a href=\"https:\/\/itviec.com\/blog\/bao-cao-luong-it\">5<\/a><\/span><span style=\"\">\u201d do ITviec th\u1ef1c hi\u1ec7n, ghi nh\u1eadn m\u1ee9c l\u01b0\u01a1ng trung v\u1ecb c\u1ee7a Java Backend Developer kinh nghi\u1ec7m 7 n\u0103m l\u00e0 40.600.000 \u0111\u1ed3ng.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, nghi\u00ean c\u1ee9u c\u0169ng \u0111\u01b0a ra m\u1ee9c l\u01b0\u01a1ng cho c\u00e1c n\u0103m kinh nghi\u1ec7m t\u1eeb d\u01b0\u1edbi 1 n\u0103m \u0111\u1ebfn tr\u00ean 8 n\u0103m c\u1ee7a c\u00e1c Java Backend Developer nh\u01b0 sau:<\/span><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><b>S\u1ed1 n\u0103m kinh nghi\u1ec7m<\/b><\/td><td><b>&lt; 1 n\u0103m<\/b><\/td><td><b>1 &#8211; 2 n\u0103m<\/b><\/td><td><b>3 &#8211; 4 n\u0103m<\/b><\/td><td><b>5 &#8211; 8 n\u0103m<\/b><\/td><td><b>&gt; 8 n\u0103m<\/b><\/td><\/tr><tr><td><b>M\u1ee9c l\u01b0\u01a1ng<\/b><\/td><td><span style=\"font-weight: 400;\">9.800.000<\/span><\/td><td><span style=\"font-weight: 400;\">26.650.000<\/span><\/td><td><span style=\"font-weight: 400;\">29.900.000<\/span><\/td><td><span style=\"font-weight: 400;\">40.600.000<\/span><\/td><td><span style=\"font-weight: 400;\">57.200.000<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-java-backend-va-node-js-backend-co-gi-khac-nhau\"><b>Java Backend v\u00e0 Node.js backend c\u00f3 g\u00ec kh\u00e1c nhau?<\/b><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>&nbsp;<\/td><td><b>Java Backend<\/b><\/td><td><b>Node.js Backend<\/b><\/td><\/tr><tr><td><b>\u0110\u1ecbnh ngh\u0129a<\/b><\/td><td><span style=\"font-weight: 400;\">Java l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng ch\u1ea1y tr\u00ean m\u00e1y \u1ea3o Java (JVM).<\/span><\/td><td><span style=\"font-weight: 400;\">Node.js l\u00e0 m\u00f4i tr\u01b0\u1eddng ch\u1ea1y JavaScript ph\u00eda m\u00e1y ch\u1ee7.<\/span><\/td><\/tr><tr><td><b>C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng<\/b><\/td><td><span style=\"font-weight: 400;\">Java duy tr\u00ec t\u00ednh \u0111\u1ed3ng th\u1eddi, s\u1eed d\u1ee5ng \u0111a lu\u1ed3ng v\u00e0 x\u1eed l\u00fd song song c\u00e1c t\u00e1c v\u1ee5 \u0111\u1ed3ng th\u1eddi.<\/span><\/td><td><span style=\"font-weight: 400;\">Node.js s\u1eed d\u1ee5ng lu\u1ed3ng \u0111\u01a1n \u0111\u1ec3 x\u1eed l\u00fd nhi\u1ec1u t\u00e1c v\u1ee5 c\u00f9ng l\u00fac.<\/span><\/td><\/tr><tr><td><b>Framework<\/b><\/td><td><span style=\"font-weight: 400;\">Cung c\u1ea5p nhi\u1ec1u framework nh\u01b0 Spring, Hibernate,&#8230;<\/span><\/td><td><span style=\"font-weight: 400;\">\u0110ang m\u1edf r\u1ed9ng v\u1edbi Node Package Manager (NPM), cung c\u1ea5p nhi\u1ec1u c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c t\u1ea1o s\u1eb5n v\u00e0 ti\u1ec7n \u00edch b\u1ed5 sung.<\/span><\/td><\/tr><tr><td><b>Ph\u1ea1m vi s\u1eed d\u1ee5ng<\/b><\/td><td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 t\u00ednh to\u00e1n n\u1eb7ng t\u1ed1t h\u01a1n nh\u1edd ch\u1ee9c n\u0103ng \u0111a lu\u1ed3ng.<\/span><\/td><td><span style=\"font-weight: 400;\">Tuy\u1ec7t v\u1eddi trong vi\u1ec7c x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 li\u00ean quan \u0111\u1ebfn d\u1eef li\u1ec7u I\/O. \u0110\u1ed3ng th\u1eddi, c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd nhi\u1ec1u t\u00e1c v\u1ee5 c\u00f9ng l\u00fac, r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng ho\u1ea1t \u0111\u1ed9ng theo th\u1eddi gian th\u1ef1c.&nbsp;<\/span><\/td><\/tr><tr><td><b>Kh\u1ea3 n\u0103ng h\u1ecdc t\u1eadp<\/b><\/td><td><span style=\"font-weight: 400;\">H\u01a1i kh\u00f3 \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u.&nbsp;<\/span><\/td><td><span style=\"font-weight: 400;\">\u0110\u01a1n gi\u1ea3n \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi \u0111\u00e3 s\u1eed d\u1ee5ng JavaScript \u0111\u1ec3 thi\u1ebft k\u1ebf trang web.<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-m\u1ea5t-bao-lau-d\u1ec3-tr\u1edf-thanh-java-backend-developer\"><b>M\u1ea5t bao l\u00e2u \u0111\u1ec3 tr\u1edf th\u00e0nh Java backend developer?<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 tr\u1edf th\u00e0nh Java Backend Developer, b\u1ea1n c\u00f3 th\u1ec3 m\u1ea5t kho\u1ea3ng v\u00e0i th\u00e1ng \u0111\u1ebfn v\u00e0i n\u0103m. \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi \u0111\u00e3 c\u00f3 n\u1ec1n t\u1ea3ng ki\u1ebfn th\u1ee9c v\u1ec1 khoa h\u1ecdc m\u00e1y t\u00ednh ho\u1eb7c l\u0129nh v\u1ef1c li\u00ean quan, vi\u1ec7c th\u00e0nh th\u1ea1o Java v\u00e0 l\u1eadp tr\u00ecnh Backend ch\u1ec9 m\u1ea5t 1 &#8211; 2 n\u0103m m\u00e0 th\u00f4i.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong khi \u0111\u00f3, n\u1ebfu b\u1ea1n l\u00e0 m\u1ed9t ng\u01b0\u1eddi \u201cm\u1edbi ho\u00e0n to\u00e0n\u201d trong l\u0129nh v\u1ef1c n\u00e0y, th\u1eddi gian h\u1ecdc t\u1eadp c\u00f3 th\u1ec3 k\u00e9o d\u00e0i t\u1eeb 2 &#8211; 4 n\u0103m \u0111\u1ec3 th\u00e0nh th\u1ea1o \u0111\u01b0\u1ee3c.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-t\u1ed5ng-k\u1ebft\"><span class=\"ez-toc-section\" id=\"Tong_ket\"><\/span><b>T\u1ed5ng k\u1ebft<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Qua b\u00e0i vi\u1ebft n\u00e0y, ch\u1eafc h\u1eb3n b\u1ea1n \u0111\u00e3 n\u1eafm \u0111\u01b0\u1ee3c l\u1ed9 tr\u00ecnh h\u1ecdc t\u1eadp chi ti\u1ebft \u0111\u1ec3 tr\u1edf th\u00e0nh Java Backend Developer r\u1ed3i \u0111\u00fang kh\u00f4ng n\u00e0o. H\u00e3y c\u00f9ng ITviec \u0111i\u1ec3m l\u1ea1i l\u1ed9 tr\u00ecnh nh\u00e9:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">H\u1ecdc nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 Java<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">T\u00ecm hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 collections, Serialization, Threading, Stream &amp; Lambdas<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">T\u00ecm hi\u1ec3u v\u1ec1 c\u00f4ng c\u1ee5 Build<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">H\u1ecdc v\u1ec1 c\u00e1c Web Framework<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">H\u1ecdc v\u1ec1 JDBC (Java Database Connectivity)<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">T\u00ecm hi\u1ec3u v\u1ec1 ORM (Object-Relational Mapping) Framework<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">H\u1ecdc c\u00e1ch ki\u1ec3m tra (testing) website ho\u1eb7c \u1ee9ng d\u1ee5ng<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">T\u00ecm hi\u1ec3u v\u1ec1 Logging Framework<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i vi\u1ec7c h\u1ecdc t\u1ea1i c\u00e1c tr\u01b0\u1eddng \u0111\u00e0o t\u1ea1o chuy\u00ean ng\u00e0nh, b\u1ea1n c\u00f2n c\u00f3 th\u1ec3 h\u1ecdc th\u00eam ki\u1ebfn th\u1ee9c t\u1eeb c\u00e1c kh\u00f3a h\u1ecdc tr\u1ef1c tuy\u1ebfn, \u0111\u1ecdc th\u00eam t\u00e0i li\u1ec7u qua c\u00e1c s\u00e1ch ho\u1eb7c c\u00e1c k\u00eanh Youtube, chia s\u1ebb t\u1eeb c\u00e1c c\u1ed9ng \u0111\u1ed3ng l\u1edbn nh\u01b0 Stack Overflow ho\u1eb7c Reddit.<\/span><\/p>\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\/backend-developer?utm_medium=anchor_text_mid&amp;utm_source=blog&amp;utm_campaign=viec_lam_backend_noi_bat&amp;utm_content=java_backend_la_gi&amp;job_selected=back-end-developer-java\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>vi\u1ec7c l\u00e0m Java<\/strong><\/a> m\u1edbi nh\u1ea5t tr\u00ean to\u00e0n qu\u1ed1c<\/p>\n<\/blockquote>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java backend \u0111\u1ec1 c\u1eadp \u0111\u1ebfn l\u1eadp tr\u00ecnh v\u00e0 ki\u1ebfn \u200b\u200btr\u00fac ph\u00eda m\u00e1y ch\u1ee7 h\u1ed7 tr\u1ee3 ch\u1ee9c n\u0103ng c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 d\u1ecbch v\u1ee5 web \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng b\u1eb1ng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Java. N\u00f3 bao g\u1ed3m nhi\u1ec1u th\u00e0nh ph\u1ea7n, c\u00f4ng ngh\u1ec7 v\u00e0 ph\u01b0\u01a1ng th\u1ee9c kh\u00e1c nhau ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau \u0111\u1ec3 t\u1ea1o ra c\u00e1c [&hellip;]<\/p>\n","protected":false},"author":213,"featured_media":77539,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[109],"tags":[],"class_list":["post-77291","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chuyen-mon-it"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Java Backend: L\u1ed9 tr\u00ecnh h\u1ecdc Java Backend chi ti\u1ebft A-Z - ITviec Blog<\/title>\n<meta name=\"description\" content=\"N\u1ebfu b\u1ea1n \u0111ang c\u00f3 \u0111\u1ecbnh h\u01b0\u1edbng tr\u1edf th\u00e0nh Java Backend Developer, \u0111\u1eebng b\u1ecf qua c\u00e1c th\u00f4ng tin v\u1ec1 l\u1ed9 tr\u00ecnh h\u1ecdc Java Backend Developer chi ti\u1ebft A-Z.\" \/>\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-backend-la-gi\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java Backend: L\u1ed9 tr\u00ecnh h\u1ecdc Java Backend chi ti\u1ebft A-Z\" \/>\n<meta property=\"og:description\" content=\"Java backend \u0111\u1ec1 c\u1eadp \u0111\u1ebfn l\u1eadp tr\u00ecnh v\u00e0 ki\u1ebfn \u200b\u200btr\u00fac ph\u00eda m\u00e1y ch\u1ee7 h\u1ed7 tr\u1ee3 ch\u1ee9c n\u0103ng c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 d\u1ecbch v\u1ee5 web \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng b\u1eb1ng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Java.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/itviec.com\/blog\/java-backend-la-gi\/\" \/>\n<meta property=\"og:site_name\" content=\"ITviec Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ITviec\" \/>\n<meta property=\"article:published_time\" content=\"2024-08-29T09:45:45+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-01T06:35:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/08\/java-backend-thumbnail-vippro.png\" \/>\n\t<meta property=\"og:image:width\" content=\"2850\" \/>\n\t<meta property=\"og:image:height\" content=\"1500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Linh Trao\" \/>\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=\"Linh Trao\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"21 ph\u00fat\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Java Backend: L\u1ed9 tr\u00ecnh h\u1ecdc Java Backend chi ti\u1ebft A-Z - 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