{"id":95679,"date":"2026-04-18T22:03:07","date_gmt":"2026-04-18T15:03:07","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=95679"},"modified":"2026-04-18T22:03:08","modified_gmt":"2026-04-18T15:03:08","slug":"scala-vs-kotlin","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/scala-vs-kotlin\/","title":{"rendered":"Scala vs Kotlin: C\u00e1ch ch\u1ecdn ng\u00f4n ng\u1eef ph\u00f9 h\u1ee3p v\u1edbi b\u1ea1n"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung b\u00e0i vi\u1ebft<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/itviec.com\/blog\/scala-vs-kotlin\/#So_sanh_nhanh_giua_Scala_vs_Kotlin\" >So s\u00e1nh nhanh gi\u1eefa Scala vs Kotlin<\/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\/scala-vs-kotlin\/#Bang_so_sanh_tong_quan_Scala_vs_Kotlin\" >B\u1ea3ng so s\u00e1nh t\u1ed5ng quan Scala vs Kotlin<\/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\/scala-vs-kotlin\/#So_sanh_chi_tiet_Scala_vs_Kotlin\" >So s\u00e1nh chi ti\u1ebft Scala vs Kotlin<\/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\/scala-vs-kotlin\/#Khi_nao_nen_chon_Scala_Khi_nao_nen_chon_Kotlin\" >Khi n\u00e0o n\u00ean ch\u1ecdn Scala? Khi n\u00e0o n\u00ean ch\u1ecdn Kotlin?<\/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\/scala-vs-kotlin\/#Frameworks_pho_bien_cua_Scala_va_Kotlin\" >Frameworks ph\u1ed5 bi\u1ebfn c\u1ee7a Scala v\u00e0 Kotlin<\/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\/scala-vs-kotlin\/#Nhung_cau_hoi_thuong_gap_ve_Scala_vs_Kotlin\" >Nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Scala vs Kotlin<\/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\/scala-vs-kotlin\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n\n<p><strong><em>Trong h\u1ec7 sinh th\u00e1i l\u1eadp tr\u00ecnh ch\u1ea1y tr\u00ean JVM, nhi\u1ec1u developer th\u01b0\u1eddng \u0111\u1eb7t l\u00ean b\u00e0n c\u00e2n Scala vs Kotlin khi t\u00ecm ki\u1ebfm m\u1ed9t ng\u00f4n ng\u1eef hi\u1ec7n \u0111\u1ea1i \u0111\u1ec3 x\u00e2y d\u1ef1ng backend ho\u1eb7c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p. M\u1ed7i l\u1ef1a ch\u1ecdn \u0111\u1ec1u mang tri\u1ebft l\u00fd thi\u1ebft k\u1ebf ri\u00eang, t\u1eeb c\u00e1ch ti\u1ebfp c\u1eadn l\u1eadp tr\u00ecnh h\u00e0m cho \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ph\u00e1t tri\u1ec3n th\u1ef1c t\u1ebf trong d\u1ef1 \u00e1n. V\u00ec v\u1eady, vi\u1ec7c hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Scala vs Kotlin s\u1ebd gi\u00fap l\u1eadp tr\u00ecnh vi\u00ean \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u00f4ng vi\u1ec7c v\u00e0 \u0111\u1ecbnh h\u01b0\u1edbng c\u00f4ng ngh\u1ec7 l\u00e2u d\u00e0i.<\/em><\/strong><\/p>\n\n\n\n<p>\u0110\u1ecdc b\u00e0i vi\u1ebft sau \u0111\u1ec3 bi\u1ebft th\u00eam v\u1ec1 ch\u1ee7 \u0111\u1ec1 Scala vs Kotlin, c\u1ee5 th\u1ec3 l\u00e0 <strong>Scala 3<\/strong> vs <strong>Kotlin 1.9+<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u1ed5ng quan v\u1ec1 Scala vs Kotlin<\/li>\n\n\n\n<li>So s\u00e1nh chi ti\u1ebft Scala vs Kotlin<\/li>\n\n\n\n<li>Khi n\u00e0o n\u00ean ch\u1ecdn Scala, khi n\u00e0o n\u00ean ch\u1ecdn Kotlin?<\/li>\n\n\n\n<li>Frameworks ph\u1ed5 bi\u1ebfn c\u1ee7a Scala v\u00e0 Kotlin<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-so-sanh-nhanh-gi\u1eefa-scala-vs-kotlin\"><span class=\"ez-toc-section\" id=\"So_sanh_nhanh_giua_Scala_vs_Kotlin\"><\/span><strong>So s\u00e1nh nhanh gi\u1eefa Scala vs Kotlin<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-di\u1ec3m-gi\u1ed1ng-nhau-gi\u1eefa-scala-vs-kotlin\"><strong>\u0110i\u1ec3m gi\u1ed1ng nhau gi\u1eefa Scala vs Kotlin<\/strong><\/h3>\n\n\n\n<p>Khi so s\u00e1nh Scala vs Kotlin, nhi\u1ec1u developer th\u1ef1c ch\u1ea5t \u0111ang c\u00e2n nh\u1eafc gi\u1eefa hai ng\u00f4n ng\u1eef hi\u1ec7n \u0111\u1ea1i c\u00f9ng ch\u1ea1y tr\u00ean Java Virtual Machine (JVM) v\u00e0 \u0111\u01b0\u1ee3c t\u1ea1o ra \u0111\u1ec3 kh\u1eafc ph\u1ee5c nh\u1eefng h\u1ea1n ch\u1ebf c\u1ee7a Java trong ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m. C\u1ea3 hai \u0111\u1ec1u h\u1ed7 tr\u1ee3 ki\u1ec3u d\u1eef li\u1ec7u t\u0129nh, t\u01b0\u01a1ng th\u00edch t\u1ed1t v\u1edbi h\u1ec7 sinh th\u00e1i Java v\u00e0 cho ph\u00e9p s\u1eed d\u1ee5ng l\u1ea1i nhi\u1ec1u th\u01b0 vi\u1ec7n ho\u1eb7c framework c\u00f3 s\u1eb5n. Nh\u1edd v\u1eady, Scala v\u00e0 Kotlin th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t c\u1ea1nh nhau khi l\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7 cho c\u00e1c d\u1ef1 \u00e1n backend ho\u1eb7c h\u1ec7 th\u1ed1ng quy m\u00f4 l\u1edbn.<\/p>\n\n\n\n<p>\u0110i\u1ec3m gi\u1ed1ng nhau c\u1ee7a hai ng\u00f4n ng\u1eef n\u1eb1m \u1edf vi\u1ec7c k\u1ebft h\u1ee3p l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng (OOP) v\u1edbi c\u00e1c kh\u00e1i ni\u1ec7m c\u1ee7a l\u1eadp tr\u00ecnh h\u00e0m (Functional Programming), gi\u00fap code ng\u1eafn g\u1ecdn v\u00e0 linh ho\u1ea1t h\u01a1n so v\u1edbi Java truy\u1ec1n th\u1ed1ng.<\/p>\n\n\n\n<p>Tuy nhi\u00ean, Scala h\u01b0\u1edbng nhi\u1ec1u h\u01a1n \u0111\u1ebfn l\u1eadp tr\u00ecnh h\u00e0m v\u00e0 h\u1ec7 th\u1ed1ng ki\u1ec3u m\u1ea1nh, trong khi Kotlin \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf theo h\u01b0\u1edbng th\u1ef1c d\u1ee5ng, d\u1ec5 h\u1ecdc v\u00e0 d\u1ec5 \u00e1p d\u1ee5ng trong c\u00e1c d\u1ef1 \u00e1n th\u1ef1c t\u1ebf. Ch\u00ednh s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 tri\u1ebft l\u00fd n\u00e0y khi\u1ebfn Scala v\u00e0 Kotlin th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c so s\u00e1nh khi developer c\u1ea7n l\u1ef1a ch\u1ecdn ng\u00f4n ng\u1eef trong h\u1ec7 sinh th\u00e1i JVM.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-t\u1ed5ng-quan-v\u1ec1-scala\"><strong>T\u1ed5ng quan v\u1ec1 Scala<\/strong><\/h3>\n\n\n\n<p>Trong b\u1ed1i c\u1ea3nh so s\u00e1nh Scala vs Kotlin, Scala th\u01b0\u1eddng \u0111\u01b0\u1ee3c nh\u1eafc \u0111\u1ebfn nh\u01b0 m\u1ed9t ng\u00f4n ng\u1eef m\u1ea1nh m\u1ebd trong h\u1ec7 sinh th\u00e1i JVM. Scala (vi\u1ebft t\u1eaft c\u1ee7a Scalable Language) \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 k\u1ebft h\u1ee3p l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng (OOP) v\u00e0 l\u1eadp tr\u00ecnh h\u00e0m (Functional Programming) trong c\u00f9ng m\u1ed9t ng\u00f4n ng\u1eef. Nh\u1edd ch\u1ea1y tr\u00ean Java Virtual Machine (JVM), Scala c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng tr\u1ef1c ti\u1ebfp c\u00e1c th\u01b0 vi\u1ec7n Java, gi\u00fap developer d\u1ec5 d\u00e0ng t\u00edch h\u1ee3p v\u00e0o h\u1ec7 sinh th\u00e1i ph\u1ea7n m\u1ec1m hi\u1ec7n c\u00f3 m\u00e0 kh\u00f4ng c\u1ea7n x\u00e2y d\u1ef1ng l\u1ea1i t\u1eeb \u0111\u1ea7u.<\/p>\n\n\n\n<p>M\u1ed9t trong nh\u1eefng l\u00fd do khi\u1ebfn Scala th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n trong c\u00e1c cu\u1ed9c th\u1ea3o lu\u1eadn Scala vs Kotlin l\u00e0 nh\u1edd nh\u1eefng \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt trong thi\u1ebft k\u1ebf ng\u00f4n ng\u1eef v\u00e0 kh\u1ea3 n\u0103ng x\u1eed l\u00fd h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p. Nh\u1eefng \u0111i\u1ec3m m\u1ea1nh \u0111\u00e1ng ch\u00fa \u00fd c\u1ee7a Scala c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>K\u1ebft h\u1ee3p OOP v\u00e0 Functional Programming: Scala cho ph\u00e9p developer s\u1eed d\u1ee5ng linh ho\u1ea1t c\u1ea3 hai m\u00f4 h\u00ecnh l\u1eadp tr\u00ecnh, gi\u00fap code v\u1eeba c\u00f3 c\u1ea5u tr\u00fac r\u00f5 r\u00e0ng v\u1eeba t\u1eadn d\u1ee5ng \u0111\u01b0\u1ee3c c\u00e1c l\u1ee3i \u00edch c\u1ee7a l\u1eadp tr\u00ecnh h\u00e0m.<\/li>\n\n\n\n<li>C\u00fa ph\u00e1p ng\u1eafn g\u1ecdn, gi\u1ea3m boilerplate code: Nh\u1edd c\u00e1c t\u00ednh n\u0103ng nh\u01b0 type inference v\u00e0 higher-order functions, nhi\u1ec1u \u0111o\u1ea1n code c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c vi\u1ebft s\u00fac t\u00edch h\u01a1n so v\u1edbi Java.<\/li>\n\n\n\n<li>T\u01b0\u01a1ng th\u00edch m\u1ea1nh v\u1edbi h\u1ec7 sinh th\u00e1i Java: Scala ch\u1ea1y tr\u00ean JVM n\u00ean c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u1ea7u h\u1ebft th\u01b0 vi\u1ec7n v\u00e0 framework c\u1ee7a Java, gi\u00fap vi\u1ec7c ph\u00e1t tri\u1ec3n v\u00e0 t\u00edch h\u1ee3p h\u1ec7 th\u1ed1ng tr\u1edf n\u00ean thu\u1eadn ti\u1ec7n.<\/li>\n\n\n\n<li>Ph\u00f9 h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cao: Scala th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong c\u00e1c d\u1ef1 \u00e1n Big Data ho\u1eb7c h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n nh\u1edd kh\u1ea3 n\u0103ng x\u1eed l\u00fd concurrency v\u00e0 m\u00f4 h\u00ecnh b\u1ea5t bi\u1ebfn (immutability).<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>\u0110\u1ecdc chi ti\u1ebft: <strong><a href=\"https:\/\/itviec.com\/blog\/scala-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Scala l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf<\/a><\/strong><\/em><\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-t\u1ed5ng-quan-v\u1ec1-kotlin\"><strong>T\u1ed5ng quan v\u1ec1 Kotlin<\/strong><\/h3>\n\n\n\n<p>Trong c\u00e1c cu\u1ed9c so s\u00e1nh Scala vs Kotlin, Kotlin th\u01b0\u1eddng \u0111\u01b0\u1ee3c nh\u1eafc \u0111\u1ebfn nh\u01b0 m\u1ed9t ng\u00f4n ng\u1eef hi\u1ec7n \u0111\u1ea1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m l\u1eadp tr\u00ecnh tr\u00ean n\u1ec1n t\u1ea3ng JVM. Kotlin \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi JetBrains v\u00e0 ch\u00ednh th\u1ee9c ra m\u1eaft v\u00e0o n\u0103m 2016, v\u1edbi m\u1ee5c ti\u00eau gi\u00fap developer vi\u1ebft code ng\u1eafn g\u1ecdn, an to\u00e0n v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec h\u01a1n so v\u1edbi nhi\u1ec1u ng\u00f4n ng\u1eef truy\u1ec1n th\u1ed1ng. Nh\u1edd kh\u1ea3 n\u0103ng c\u00f3 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch\/interoperability r\u1ea5t cao v\u1edbi Java, Kotlin c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng tr\u1ef1c ti\u1ebfp c\u00e1c th\u01b0 vi\u1ec7n v\u00e0 framework s\u1eb5n c\u00f3 trong h\u1ec7 sinh th\u00e1i Java, \u0111i\u1ec1u n\u00e0y gi\u00fap vi\u1ec7c \u00e1p d\u1ee5ng Kotlin v\u00e0o c\u00e1c d\u1ef1 \u00e1n hi\u1ec7n t\u1ea1i tr\u1edf n\u00ean kh\u00e1 thu\u1eadn l\u1ee3i.<\/p>\n\n\n\n<p>M\u1ed9t l\u00fd do khi\u1ebfn Kotlin th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n trong c\u00e1c ch\u1ee7 \u0111\u1ec1 so s\u00e1nh Scala vs Kotlin l\u00e0 nh\u1edd nhi\u1ec1u \u01b0u \u0111i\u1ec3m gi\u00fap t\u0103ng hi\u1ec7u qu\u1ea3 ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m. M\u1ed9t s\u1ed1 \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a Kotlin c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00f3 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch r\u1ea5t cao v\u1edbi Java: Kotlin c\u00f3 th\u1ec3 ch\u1ea1y c\u00f9ng Java trong m\u1ed9t d\u1ef1 \u00e1n v\u00e0 s\u1eed d\u1ee5ng l\u1ea1i h\u1ea7u h\u1ebft th\u01b0 vi\u1ec7n Java, gi\u00fap qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i ho\u1eb7c t\u00edch h\u1ee3p di\u1ec5n ra d\u1ec5 d\u00e0ng.<\/li>\n\n\n\n<li>C\u00fa ph\u00e1p ng\u1eafn g\u1ecdn v\u00e0 r\u00f5 r\u00e0ng: Kotlin \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u1ea3m b\u1edbt c\u00e1c \u0111o\u1ea1n code d\u01b0 th\u1eeba, t\u1eeb \u0111\u00f3 gi\u00fap ch\u01b0\u01a1ng tr\u00ecnh d\u1ec5 \u0111\u1ecdc v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec h\u01a1n.<\/li>\n\n\n\n<li>D\u1ec5 h\u1ecdc \u0111\u1ed1i v\u1edbi developer \u0111\u00e3 bi\u1ebft Java: Nh\u1edd c\u1ea5u tr\u00fac quen thu\u1ed9c v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch cao, nhi\u1ec1u l\u1eadp tr\u00ecnh vi\u00ean Java c\u00f3 th\u1ec3 l\u00e0m quen v\u1edbi Kotlin kh\u00e1 nhanh.<\/li>\n\n\n\n<li>H\u1ed7 tr\u1ee3 \u0111a n\u1ec1n t\u1ea3ng: Kotlin c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng Android, backend server, web ho\u1eb7c nhi\u1ec1u n\u1ec1n t\u1ea3ng kh\u00e1c nhau.<\/li>\n\n\n\n<li>Kotlin l\u00e0 \u201cdefault stack\u201d trong h\u1ec7 sinh th\u00e1i Android: Kotlin g\u1eafn ch\u1eb7t v\u1edbi nhu c\u1ea7u tuy\u1ec3n d\u1ee5ng Android Developer, d\u1ec5 c\u00f3 vi\u1ec7c l\u00e0m h\u01a1n.<\/li>\n\n\n\n<li>Kotlin Multiplatform: Kh\u00f4ng ch\u1ec9 gi\u00fap chia s\u1ebb code, m\u00e0 c\u00f2n gi\u00fap doanh nghi\u1ec7p gi\u1ea3m chi ph\u00ed nh\u00e2n s\u1ef1 \u0111a n\u1ec1n t\u1ea3ng, \u0111\u1ed3ng b\u1ed9 business logic gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng v\u00e0 gi\u1ea3m r\u1ee7i ro inconsistency khi scale s\u1ea3n ph\u1ea9m.<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>\u0110\u1ecdc chi ti\u1ebft: <strong><a href=\"https:\/\/itviec.com\/blog\/kotlin-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">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<\/a><\/strong><\/em><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-b\u1ea3ng-so-sanh-t\u1ed5ng-quan-scala-vs-kotlin\"><span class=\"ez-toc-section\" id=\"Bang_so_sanh_tong_quan_Scala_vs_Kotlin\"><\/span><strong>B\u1ea3ng so s\u00e1nh t\u1ed5ng quan Scala vs Kotlin<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Ti\u00eau ch\u00ed<\/strong><\/td><td><strong>Scala<\/strong><\/td><td><strong>Kotlin<\/strong><\/td><\/tr><tr><td>Tri\u1ebft l\u00fd thi\u1ebft k\u1ebf<\/td><td>\u0110a m\u00f4 h\u00ecnh, thi\u00ean v\u1ec1 Functional Programming<\/td><td>Th\u1ef1c d\u1ee5ng (pragmatic), t\u1ed1i \u01b0u tr\u1ea3i nghi\u1ec7m developer<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1ec5 h\u1ecdc<\/td><td>Kh\u00f3 h\u01a1n do nhi\u1ec1u kh\u00e1i ni\u1ec7m n\u00e2ng cao<\/td><td>D\u1ec5 h\u1ecdc, \u0111\u1eb7c bi\u1ec7t v\u1edbi Java developer<\/td><\/tr><tr><td>C\u00fa ph\u00e1p<\/td><td>Linh ho\u1ea1t nh\u01b0ng c\u00f3 th\u1ec3 kh\u00f3 \u0111\u1ecdc<\/td><td>Ng\u1eafn g\u1ecdn, r\u00f5 r\u00e0ng, d\u1ec5 maintain<\/td><\/tr><tr><td>Functional Programming<\/td><td>H\u1ed7 tr\u1ee3 r\u1ea5t m\u1ea1nh (FP l\u00e0 c\u1ed1t l\u00f5i)<\/td><td>H\u1ed7 tr\u1ee3 t\u1ed1t nh\u01b0ng kh\u00f4ng ph\u1ea3i tr\u1ecdng t\u00e2m<\/td><\/tr><tr><td>Performance<\/td><td>T\u01b0\u01a1ng \u0111\u01b0\u01a1ng JVM<\/td><td>T\u01b0\u01a1ng \u0111\u01b0\u01a1ng JVM<\/td><\/tr><tr><td>Compile time<\/td><td>Ch\u1eadm h\u01a1n trong project l\u1edbn<\/td><td>Nhanh h\u01a1n (incremental compilation)<\/td><\/tr><tr><td>Build &amp; dependency<\/td><td>C\u00f3 th\u1ec3 ph\u1ee9c t\u1ea1p trong h\u1ec7 th\u1ed1ng l\u1edbn<\/td><td>\u0110\u01a1n gi\u1ea3n v\u00e0 d\u1ec5 qu\u1ea3n l\u00fd h\u01a1n<\/td><\/tr><tr><td>Ecosystem<\/td><td>M\u1ea1nh v\u1ec1 Big Data, distributed systems<\/td><td>M\u1ea1nh v\u1ec1 Android v\u00e0 backend hi\u1ec7n \u0111\u1ea1i<\/td><\/tr><tr><td>Framework n\u1ed5i b\u1eadt<\/td><td>Akka, Play, Spark<\/td><td>Spring Boot, Ktor<\/td><\/tr><tr><td>Use case ch\u00ednh<\/td><td>Big Data, fintech, h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n<\/td><td>Android, backend, multiplatform<\/td><\/tr><tr><td>Multiplatform<\/td><td>Kh\u00f4ng ph\u1ea3i tr\u1ecdng t\u00e2m<\/td><td>Kotlin Multiplatform l\u00e0 l\u1ee3i th\u1ebf l\u1edbn<\/td><\/tr><tr><td>C\u1ed9ng \u0111\u1ed3ng<\/td><td>Chuy\u00ean s\u00e2u, \u00edt h\u01a1n<\/td><td>L\u1edbn, ph\u00e1t tri\u1ec3n nhanh<\/td><\/tr><tr><td>Chi ph\u00ed th\u1ef1c t\u1ebf (beyond money)<\/td><td>Chi ph\u00ed h\u1ecdc v\u00e0 maintain cao h\u01a1n: c\u1ea7n th\u1eddi gian onboard d\u00e0i, kh\u00f3 debug, build ph\u1ee9c t\u1ea1p, d\u1ec5 ph\u00e1t sinh technical debt n\u1ebfu team ch\u01b0a \u0111\u1ee7 kinh nghi\u1ec7m<\/td><td>Chi ph\u00ed th\u1ea5p h\u01a1n v\u1ec1 v\u1eadn h\u00e0nh: d\u1ec5 tuy\u1ec3n dev, onboarding nhanh, code d\u1ec5 \u0111\u1ecdc \u2192 gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec d\u00e0i h\u1ea1n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-so-sanh-chi-ti\u1ebft-scala-vs-kotlin\"><span class=\"ez-toc-section\" id=\"So_sanh_chi_tiet_Scala_vs_Kotlin\"><\/span><strong>So s\u00e1nh chi ti\u1ebft Scala vs Kotlin<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-so-sanh-thi\u1ebft-k\u1ebf-ngon-ng\u1eef-amp-tri\u1ebft-ly-phat-tri\u1ec3n\"><strong>So s\u00e1nh thi\u1ebft k\u1ebf ng\u00f4n ng\u1eef &amp; tri\u1ebft l\u00fd ph\u00e1t tri\u1ec3n<\/strong><\/h3>\n\n\n\n<p>Scala \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng nh\u01b0 m\u1ed9t ng\u00f4n ng\u1eef \u0111a m\u00f4 h\u00ecnh m\u1ea1nh v\u1ec1 l\u1eadp tr\u00ecnh h\u00e0m, cho ph\u00e9p k\u1ebft h\u1ee3p linh ho\u1ea1t gi\u1eefa OOP v\u00e0 Functional Programming. H\u1ec7 th\u1ed1ng ki\u1ec3u d\u1eef li\u1ec7u c\u1ee7a Scala r\u1ea5t m\u1ea1nh v\u00e0 h\u1ed7 tr\u1ee3 nhi\u1ec1u kh\u00e1i ni\u1ec7m n\u00e2ng cao nh\u01b0 pattern matching, currying hay implicit conversions, gi\u00fap developer x\u00e2y d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p v\u1edbi m\u1ee9c \u0111\u1ed9 tr\u1eebu t\u01b0\u1ee3ng cao.<\/p>\n\n\n\n<p>Kotlin l\u1ea1i \u0111i theo h\u01b0\u1edbng th\u1ef1c d\u1ee5ng (pragmatic) h\u01a1n. Ng\u00f4n ng\u1eef n\u00e0y \u0111\u01b0\u1ee3c JetBrains thi\u1ebft k\u1ebf \u0111\u1ec3 c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m l\u1eadp tr\u00ecnh Java, gi\u1eef c\u00fa ph\u00e1p d\u1ec5 \u0111\u1ecdc v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi h\u1ec7 sinh th\u00e1i Java. Kotlin c\u0169ng b\u1ed5 sung nhi\u1ec1u t\u00ednh n\u0103ng hi\u1ec7n \u0111\u1ea1i nh\u01b0 null-safety hay extension functions nh\u1eb1m gi\u00fap code an to\u00e0n v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-so-sanh-cu-phap-amp-d\u1ed9-d\u1ec5-h\u1ecdc\"><strong>So s\u00e1nh c\u00fa ph\u00e1p &amp; \u0111\u1ed9 d\u1ec5 h\u1ecdc<\/strong><\/h3>\n\n\n\n<p>M\u1ed9t trong nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t r\u00f5 r\u00e0ng khi so s\u00e1nh Scala vs Kotlin l\u00e0 m\u1ee9c \u0111\u1ed9 d\u1ec5 ti\u1ebfp c\u1eadn. Kotlin \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi m\u1ee5c ti\u00eau gi\u00fap developer Java c\u00f3 th\u1ec3 chuy\u1ec3n sang nhanh ch\u00f3ng, v\u00ec v\u1eady c\u00fa ph\u00e1p c\u1ee7a n\u00f3 kh\u00e1 quen thu\u1ed9c v\u00e0 d\u1ec5 \u0111\u1ecdc.<\/p>\n\n\n\n<p>Scala th\u00ec linh ho\u1ea1t v\u00e0 bi\u1ec3u \u0111\u1ea1t m\u1ea1nh h\u01a1n, nh\u01b0ng ch\u00ednh \u0111i\u1ec1u n\u00e0y khi\u1ebfn c\u00fa ph\u00e1p \u0111\u00f4i khi kh\u00f3 hi\u1ec3u \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi m\u1edbi.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5 minh h\u1ecda:<\/p>\n\n\n\n<p>Kotlin:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>fun main() {\n\u00a0\u00a0\u00a0\u00a0val numbers = listOf(1,2,3,4)\n\u00a0\u00a0\u00a0\u00a0val result = numbers.map { it * 2 }\n\u00a0\u00a0\u00a0\u00a0println(result)\n}<\/code><\/pre>\n\n\n\n<p>Scala:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>object Main extends App {\n\u00a0\u00a0val numbers = List(1,2,3,4)\n\u00a0\u00a0val result = numbers.map(_ * 2)\n\u00a0\u00a0println(result)\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-so-sanh-functional-programming-support\"><strong>So s\u00e1nh Functional Programming Support<\/strong><\/h3>\n\n\n\n<p>C\u1ea3 hai ng\u00f4n ng\u1eef \u0111\u1ec1u h\u1ed7 tr\u1ee3 l\u1eadp tr\u00ecnh h\u00e0m, nh\u01b0ng m\u1ee9c \u0111\u1ed9 h\u1ed7 tr\u1ee3 l\u1ea1i kh\u00e1c nhau kh\u00e1 r\u00f5.<\/p>\n\n\n\n<p>Scala \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi m\u1ee5c ti\u00eau tr\u1edf th\u00e0nh ng\u00f4n ng\u1eef FP m\u1ea1nh m\u1ebd tr\u00ean JVM, v\u00ec v\u1eady n\u00f3 h\u1ed7 tr\u1ee3 nhi\u1ec1u kh\u00e1i ni\u1ec7m nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>currying<\/li>\n\n\n\n<li>lazy evaluation<\/li>\n\n\n\n<li>immutable collections<\/li>\n\n\n\n<li>pattern matching<\/li>\n<\/ul>\n\n\n\n<p>Kotlin c\u0169ng h\u1ed7 tr\u1ee3 lambda, higher-order functions v\u00e0 immutability, nh\u01b0ng c\u00e1ch ti\u1ebfp c\u1eadn c\u1ee7a Kotlin mang t\u00ednh hybrid h\u01a1n, ngh\u0129a l\u00e0 k\u1ebft h\u1ee3p FP v\u1edbi OOP ch\u1ee9 kh\u00f4ng t\u1eadp trung ho\u00e0n to\u00e0n v\u00e0o FP.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5<\/p>\n\n\n\n<p>Scala pattern matching:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>val x = 2\nx match {\n\u00a0\u00a0case 1 => \"one\"\n\u00a0\u00a0case 2 => \"two\"\n\u00a0\u00a0case _ => \"other\"\n}<\/code><\/pre>\n\n\n\n<p>Kotlin:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>val x = 2\nval result = when(x) {\n\u00a0\u00a0\u00a0\u00a01 -> \"one\"\n\u00a0\u00a0\u00a0\u00a02 -> \"two\"\n\u00a0\u00a0\u00a0\u00a0else -> \"other\"\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-so-sanh-performance-amp-compile-time\"><strong>So s\u00e1nh Performance &amp; Compile Time<\/strong><\/h3>\n\n\n\n<p>V\u1ec1 runtime performance, Scala v\u00e0 Kotlin kh\u00f4ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 v\u00ec c\u1ea3 hai \u0111\u1ec1u bi\u00ean d\u1ecbch th\u00e0nh JVM bytecode. Trong nhi\u1ec1u d\u1ef1 \u00e1n backend th\u1ef1c t\u1ebf, hi\u1ec7u n\u0103ng ch\u1ea1y c\u1ee7a \u1ee9ng d\u1ee5ng th\u01b0\u1eddng ph\u1ee5 thu\u1ed9c v\u00e0o ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng, framework v\u00e0 c\u00e1ch t\u1ed1i \u01b0u code h\u01a1n l\u00e0 b\u1ea3n th\u00e2n ng\u00f4n ng\u1eef.<\/p>\n\n\n\n<p>Khi x\u00e9t \u0111\u1ebfn compile time, Kotlin th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 c\u00f3 l\u1ee3i th\u1ebf h\u01a1n nh\u1edd c\u01a1 ch\u1ebf incremental compilation. C\u1ee5 th\u1ec3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kotlin: th\u1eddi gian build c\u00f3 th\u1ec3 nhanh h\u01a1n kho\u1ea3ng 20\u201330% trong nhi\u1ec1u d\u1ef1 \u00e1n backend. V\u00ed d\u1ee5, m\u1ed9t project c\u00f3 th\u1ec3 build trong kho\u1ea3ng 30\u201340 gi\u00e2y.<\/li>\n\n\n\n<li>Scala: th\u1eddi gian bi\u00ean d\u1ecbch c\u00f3 th\u1ec3 45\u201360 gi\u00e2y ho\u1eb7c l\u00e2u h\u01a1n, \u0111\u1eb7c bi\u1ec7t khi s\u1eed d\u1ee5ng nhi\u1ec1u t\u00ednh n\u0103ng n\u00e2ng cao nh\u01b0 implicits ho\u1eb7c macro.<\/li>\n<\/ul>\n\n\n\n<p>Ngo\u00e0i th\u1eddi gian bi\u00ean d\u1ecbch, m\u1ed9t y\u1ebfu t\u1ed1 kh\u00e1c th\u01b0\u1eddng \u0111\u01b0\u1ee3c nh\u1eafc \u0111\u1ebfn khi l\u00e0m vi\u1ec7c v\u1edbi Scala l\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p trong qu\u00e1 tr\u00ecnh build v\u00e0 qu\u1ea3n l\u00fd dependency. Trong c\u00e1c d\u1ef1 \u00e1n l\u1edbn, h\u1ec7 th\u1ed1ng type m\u1ea1nh c\u00f9ng nhi\u1ec1u t\u00ednh n\u0103ng n\u00e2ng cao c\u1ee7a Scala \u0111\u00f4i khi khi\u1ebfn vi\u1ec7c build project ho\u1eb7c x\u1eed l\u00fd l\u1ed7i compile tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p h\u01a1n so v\u1edbi nhi\u1ec1u ng\u00f4n ng\u1eef JVM kh\u00e1c.<\/p>\n\n\n\n<p>M\u1ed9t s\u1ed1 \u0111i\u1ec3m th\u01b0\u1eddng \u0111\u01b0\u1ee3c developer \u0111\u1ec1 c\u1eadp g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Compile v\u00e0 build process ph\u1ee9c t\u1ea1p h\u01a1n: c\u00e1c d\u1ef1 \u00e1n Scala l\u1edbn \u0111\u00f4i khi c\u00f3 th\u1eddi gian build d\u00e0i h\u01a1n do type system ph\u1ee9c t\u1ea1p v\u00e0 nhi\u1ec1u c\u01a1 ch\u1ebf abstraction.<\/li>\n\n\n\n<li>Qu\u1ea3n l\u00fd dependency kh\u00f3 h\u01a1n trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p: \u0111\u1eb7c bi\u1ec7t khi project s\u1eed d\u1ee5ng nhi\u1ec1u th\u01b0 vi\u1ec7n Scala kh\u00e1c nhau.<\/li>\n\n\n\n<li>Compatibility gi\u1eefa c\u00e1c phi\u00ean b\u1ea3n: trong qu\u00e1 kh\u1ee9, vi\u1ec7c chuy\u1ec3n t\u1eeb Scala 2 sang Scala 3 khi\u1ebfn m\u1ed9t s\u1ed1 th\u01b0 vi\u1ec7n c\u1ea7n c\u1eadp nh\u1eadt \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u01b0\u01a1ng th\u00edch.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-so-sanh-ecosystem-amp-community-support\"><strong>So s\u00e1nh Ecosystem &amp; Community Support<\/strong><\/h3>\n\n\n\n<p><strong>Scala<\/strong> ra \u0111\u1eddi t\u1eeb n\u0103m 2004 n\u00ean c\u00f3 nhi\u1ec1u th\u01b0 vi\u1ec7n m\u1ea1nh cho backend v\u00e0 h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Akka<\/li>\n\n\n\n<li>Play Framework<\/li>\n\n\n\n<li>Apache Spark<\/li>\n<\/ul>\n\n\n\n<p>Nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y khi\u1ebfn Scala tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn trong Big Data v\u00e0 distributed systems.<\/p>\n\n\n\n<p>Trong khi \u0111\u00f3, <strong>Kotlin<\/strong> ph\u00e1t tri\u1ec3n nhanh nh\u1edd s\u1ef1 h\u1eadu thu\u1eabn t\u1eeb JetBrains v\u00e0 Google, \u0111\u1eb7c bi\u1ec7t sau khi tr\u1edf th\u00e0nh ng\u00f4n ng\u1eef ch\u00ednh th\u1ee9c cho Android. \u0110i\u1ec1u n\u00e0y gi\u00fap c\u1ed9ng \u0111\u1ed3ng Kotlin m\u1edf r\u1ed9ng r\u1ea5t nhanh v\u00e0 c\u00f3 l\u01b0\u1ee3ng developer \u0111\u00f4ng \u0111\u1ea3o h\u01a1n trong nhi\u1ec1u l\u0129nh v\u1ef1c.<\/p>\n\n\n\n<p>M\u1ed9t l\u1ee3i th\u1ebf \u0111\u00e1ng ch\u00fa \u00fd trong h\u1ec7 sinh th\u00e1i Kotlin l\u00e0 s\u1ef1 h\u1ed7 tr\u1ee3 m\u1ea1nh m\u1ebd t\u1eeb Android ecosystem. Sau khi \u0111\u01b0\u1ee3c Google c\u00f4ng b\u1ed1 l\u00e0 ng\u00f4n ng\u1eef ch\u00ednh th\u1ee9c cho ph\u00e1t tri\u1ec3n Android, Kotlin nhanh ch\u00f3ng tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn cho nhi\u1ec1u d\u1ef1 \u00e1n mobile hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n<p>B\u00ean c\u1ea1nh \u0111\u00f3, Kotlin c\u00f2n ph\u00e1t tri\u1ec3n m\u1ea1nh v\u1edbi Kotlin Multiplatform, cho ph\u00e9p chia s\u1ebb code gi\u1eefa nhi\u1ec1u n\u1ec1n t\u1ea3ng kh\u00e1c nhau. \u0110i\u1ec1u n\u00e0y mang l\u1ea1i m\u1ed9t s\u1ed1 l\u1ee3i \u00edch \u0111\u00e1ng k\u1ec3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chia s\u1ebb logic gi\u1eefa Android, iOS, web v\u00e0 backend trong c\u00f9ng m\u1ed9t codebase.<\/li>\n\n\n\n<li>Gi\u1ea3m chi ph\u00ed ph\u00e1t tri\u1ec3n v\u00e0 b\u1ea3o tr\u00ec \u1ee9ng d\u1ee5ng \u0111a n\u1ec1n t\u1ea3ng.<\/li>\n\n\n\n<li>T\u0103ng kh\u1ea3 n\u0103ng t\u00e1i s\u1eed d\u1ee5ng code trong c\u00e1c d\u1ef1 \u00e1n l\u1edbn.<\/li>\n<\/ul>\n\n\n\n<p>Nh\u1edd nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y, Kotlin kh\u00f4ng ch\u1ec9 ph\u1ed5 bi\u1ebfn trong Android m\u00e0 c\u00f2n ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u trong c\u00e1c h\u1ec7 th\u1ed1ng backend v\u00e0 c\u00e1c d\u1ef1 \u00e1n \u0111a n\u1ec1n t\u1ea3ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-so-sanh-chi-phi-th\u1ef1c-t\u1ebf-beyond-money\"><strong>So s\u00e1nh chi ph\u00ed th\u1ef1c t\u1ebf (beyond money)<\/strong><\/h3>\n\n\n\n<p>Ngo\u00e0i c\u00e1c y\u1ebfu t\u1ed1 k\u1ef9 thu\u1eadt, m\u1ed9t \u0111i\u1ec3m kh\u00e1c bi\u1ec7t quan tr\u1ecdng trong Scala vs Kotlin n\u1eb1m \u1edf \u201cchi ph\u00ed th\u1ef1c t\u1ebf\u201d khi tri\u1ec3n khai v\u00e0 v\u1eadn h\u00e0nh d\u1ef1 \u00e1n. \u0110\u00e2y kh\u00f4ng ch\u1ec9 l\u00e0 chi ph\u00ed ti\u1ec1n b\u1ea1c m\u00e0 c\u00f2n bao g\u1ed3m th\u1eddi gian, c\u00f4ng s\u1ee9c v\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n l\u00e2u d\u00e0i.<\/p>\n\n\n\n<p>X\u00e9t tr\u00ean th\u1ef1c t\u1ebf tri\u1ec3n khai, hai ng\u00f4n ng\u1eef c\u00f3 nh\u1eefng kh\u00e1c bi\u1ec7t \u0111\u00e1ng ch\u00fa \u00fd:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Scala:\n<ul class=\"wp-block-list\">\n<li>Onboarding t\u1ed1n th\u1eddi gian h\u01a1n: developer m\u1edbi c\u1ea7n hi\u1ec3u r\u00f5 FP, type system n\u00e2ng cao, implicits\u2026<\/li>\n\n\n\n<li>Chi ph\u00ed maintain cao h\u01a1n: code c\u00f3 th\u1ec3 kh\u00f3 \u0111\u1ecdc v\u1edbi ng\u01b0\u1eddi kh\u00f4ng quen \u2192 t\u0103ng th\u1eddi gian debug<\/li>\n\n\n\n<li>Build &amp; CI\/CD ph\u1ee9c t\u1ea1p h\u01a1n: th\u1eddi gian compile d\u00e0i v\u00e0 dependency management kh\u00f3 h\u01a1n<\/li>\n\n\n\n<li>R\u1ee7i ro compatibility: m\u1ed9t s\u1ed1 th\u01b0 vi\u1ec7n c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh khi n\u00e2ng c\u1ea5p phi\u00ean b\u1ea3n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Kotlin:\n<ul class=\"wp-block-list\">\n<li>Onboarding nhanh: c\u00fa ph\u00e1p g\u1ea7n v\u1edbi Java, d\u1ec5 ti\u1ebfp c\u1eadn v\u1edbi \u0111a s\u1ed1 developer<\/li>\n\n\n\n<li>Chi ph\u00ed maintain th\u1ea5p h\u01a1n: code r\u00f5 r\u00e0ng, d\u1ec5 \u0111\u1ecdc \u2192 gi\u1ea3m effort khi b\u1ea3o tr\u00ec<\/li>\n\n\n\n<li>Build \u0111\u01a1n gi\u1ea3n h\u01a1n: compile nhanh, t\u00edch h\u1ee3p t\u1ed1t v\u1edbi c\u00e1c tool ph\u1ed5 bi\u1ebfn nh\u01b0 Gradle<\/li>\n\n\n\n<li>D\u1ec5 tuy\u1ec3n d\u1ee5ng h\u01a1n: ngu\u1ed3n l\u1ef1c Kotlin (\u0111\u1eb7c bi\u1ec7t Android) ph\u1ed5 bi\u1ebfn h\u01a1n tr\u00ean th\u1ecb tr\u01b0\u1eddng<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>V\u00ed d\u1ee5 th\u1ef1c t\u1ebf: trong m\u1ed9t team backend quy m\u00f4 trung b\u00ecnh, vi\u1ec7c onboard m\u1ed9t developer m\u1edbi v\u1edbi Kotlin c\u00f3 th\u1ec3 ch\u1ec9 m\u1ea5t v\u00e0i ng\u00e0y \u0111\u1ec3 l\u00e0m quen codebase, trong khi v\u1edbi Scala c\u00f3 th\u1ec3 c\u1ea7n nhi\u1ec1u th\u1eddi gian h\u01a1n \u0111\u1ec3 hi\u1ec3u c\u00e1c pattern v\u00e0 c\u00e1ch t\u1ed5 ch\u1ee9c code.<\/p>\n\n\n\n<p>Nh\u00ecn chung, n\u1ebfu x\u00e9t v\u1ec1 chi ph\u00ed v\u1eadn h\u00e0nh d\u00e0i h\u1ea1n, Kotlin th\u01b0\u1eddng mang l\u1ea1i l\u1ee3i th\u1ebf r\u00f5 r\u00e0ng h\u01a1n. Trong khi \u0111\u00f3, Scala ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi c\u00e1c team c\u00f3 kinh nghi\u1ec7m v\u00e0 s\u1eb5n s\u00e0ng \u0111\u1ea7u t\u01b0 v\u00e0o c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p, n\u01a1i s\u1ee9c m\u1ea1nh c\u1ee7a ng\u00f4n ng\u1eef c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c khai th\u00e1c t\u1ed1i \u0111a.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-khi-nao-nen-ch\u1ecdn-scala-khi-nao-nen-ch\u1ecdn-kotlin\"><span class=\"ez-toc-section\" id=\"Khi_nao_nen_chon_Scala_Khi_nao_nen_chon_Kotlin\"><\/span><strong>Khi n\u00e0o n\u00ean ch\u1ecdn Scala? Khi n\u00e0o n\u00ean ch\u1ecdn Kotlin?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-khi-nao-nen-ch\u1ecdn-scala\"><strong>Khi n\u00e0o n\u00ean ch\u1ecdn Scala?<\/strong><\/h3>\n\n\n\n<p>Scala th\u01b0\u1eddng ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 ki\u1ebfn tr\u00fac ph\u1ee9c t\u1ea1p ho\u1eb7c y\u00eau c\u1ea7u x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn. Nh\u1edd s\u1ef1 k\u1ebft h\u1ee3p m\u1ea1nh m\u1ebd gi\u1eefa l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 l\u1eadp tr\u00ecnh h\u00e0m, Scala cho ph\u00e9p x\u00e2y d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cao v\u00e0 x\u1eed l\u00fd logic ph\u1ee9c t\u1ea1p hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<p>M\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p n\u00ean c\u00e2n nh\u1eafc Scala:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>D\u1ef1 \u00e1n Big Data ho\u1eb7c Data Engineering: Scala \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n t\u00edch d\u1eef li\u1ec7u l\u1edbn, \u0111\u1eb7c bi\u1ec7t khi l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 Apache Spark.<\/li>\n\n\n\n<li>H\u1ec7 th\u1ed1ng backend quy m\u00f4 l\u1edbn: Nh\u1eefng h\u1ec7 th\u1ed1ng c\u1ea7n x\u1eed l\u00fd concurrency, distributed systems ho\u1eb7c microservices ph\u1ee9c t\u1ea1p th\u01b0\u1eddng t\u1eadn d\u1ee5ng l\u1ee3i th\u1ebf c\u1ee7a Scala.<\/li>\n\n\n\n<li>D\u1ef1 \u00e1n y\u00eau c\u1ea7u Functional Programming m\u1ea1nh: N\u1ebfu team c\u00f3 kinh nghi\u1ec7m v\u1edbi l\u1eadp tr\u00ecnh h\u00e0m, Scala cung c\u1ea5p nhi\u1ec1u c\u00f4ng c\u1ee5 v\u00e0 abstraction m\u1ea1nh h\u01a1n so v\u1edbi nhi\u1ec1u ng\u00f4n ng\u1eef JVM kh\u00e1c.<\/li>\n\n\n\n<li>\u1ee8ng d\u1ee5ng c\u1ea7n x\u1eed l\u00fd thu\u1eadt to\u00e1n ho\u1eb7c logic ph\u1ee9c t\u1ea1p: Scala cho ph\u00e9p vi\u1ebft code bi\u1ec3u \u0111\u1ea1t cao v\u00e0 t\u1ed1i \u01b0u h\u00f3a t\u1ed1t cho c\u00e1c b\u00e0i to\u00e1n t\u00ednh to\u00e1n chuy\u00ean s\u00e2u.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-khi-nao-nen-ch\u1ecdn-kotlin\"><strong>Khi n\u00e0o n\u00ean ch\u1ecdn Kotlin?<\/strong><\/h3>\n\n\n\n<p>Kotlin l\u1ea1i ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c d\u1ef1 \u00e1n c\u1ea7n t\u1ed1c \u0111\u1ed9 ph\u00e1t tri\u1ec3n nhanh, c\u00fa ph\u00e1p d\u1ec5 \u0111\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng t\u00edch h\u1ee3p t\u1ed1t v\u1edbi Java. Ng\u00f4n ng\u1eef n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf theo h\u01b0\u1edbng th\u1ef1c d\u1ee5ng, gi\u00fap developer x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng hi\u1ec7u qu\u1ea3 m\u00e0 kh\u00f4ng c\u1ea7n h\u1ecdc qu\u00e1 nhi\u1ec1u kh\u00e1i ni\u1ec7m ph\u1ee9c t\u1ea1p.<\/p>\n\n\n\n<p>M\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p n\u00ean ch\u1ecdn Kotlin:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng Android: Kotlin hi\u1ec7n l\u00e0 ng\u00f4n ng\u1eef \u0111\u01b0\u1ee3c Google h\u1ed7 tr\u1ee3 ch\u00ednh th\u1ee9c cho Android v\u00e0 \u0111\u01b0\u1ee3c nhi\u1ec1u c\u00f4ng ty s\u1eed d\u1ee5ng cho mobile development.<\/li>\n\n\n\n<li>D\u1ef1 \u00e1n c\u1ea7n ph\u00e1t tri\u1ec3n nhanh: C\u00fa ph\u00e1p ng\u1eafn g\u1ecdn gi\u00fap Kotlin gi\u1ea3m l\u01b0\u1ee3ng boilerplate code v\u00e0 r\u00fat ng\u1eafn th\u1eddi gian tri\u1ec3n khai.<\/li>\n\n\n\n<li>Team c\u00f3 n\u1ec1n t\u1ea3ng Java: Kotlin t\u01b0\u01a1ng th\u00edch r\u1ea5t cao v\u1edbi Java n\u00ean vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i ho\u1eb7c t\u00edch h\u1ee3p v\u00e0o d\u1ef1 \u00e1n hi\u1ec7n t\u1ea1i kh\u00e1 d\u1ec5 d\u00e0ng.<\/li>\n\n\n\n<li>Backend JVM ho\u1eb7c microservices hi\u1ec7n \u0111\u1ea1i: Kotlin ng\u00e0y c\u00e0ng ph\u1ed5 bi\u1ebfn trong ph\u00e1t tri\u1ec3n backend nh\u1edd kh\u1ea3 n\u0103ng vi\u1ebft code r\u00f5 r\u00e0ng v\u00e0 maintain d\u1ec5 d\u00e0ng.<\/li>\n\n\n\n<li>Ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng \u0111a n\u1ec1n t\u1ea3ng: Kotlin Multiplatform cho ph\u00e9p chia s\u1ebb code gi\u1eefa Android, iOS, web v\u00e0 backend, gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed ph\u00e1t tri\u1ec3n v\u00e0 duy tr\u00ec \u1ee9ng d\u1ee5ng tr\u00ean nhi\u1ec1u n\u1ec1n t\u1ea3ng.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-b\u1ea3ng-so-sanh-nhanh-khi-ch\u1ecdn-scala-vs-kotlin\"><strong>B\u1ea3ng so s\u00e1nh nhanh khi ch\u1ecdn Scala vs Kotlin<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Ti\u00eau ch\u00ed<\/strong><\/td><td><strong>Scala<\/strong><\/td><td><strong>Kotlin<\/strong><\/td><\/tr><tr><td>M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/td><td>Big Data, distributed systems<\/td><td>Android, backend JVM<\/td><\/tr><tr><td>Tri\u1ebft l\u00fd ng\u00f4n ng\u1eef<\/td><td>Functional Programming m\u1ea1nh<\/td><td>Pragmatic, d\u1ec5 ti\u1ebfp c\u1eadn<\/td><\/tr><tr><td>\u0110\u1ed9 kh\u00f3 h\u1ecdc<\/td><td>Kh\u00e1 cao<\/td><td>D\u1ec5 h\u1ecdc h\u01a1n (\u0111\u1eb7c bi\u1ec7t v\u1edbi Java dev)<\/td><\/tr><tr><td>T\u1ed1c \u0111\u1ed9 ph\u00e1t tri\u1ec3n<\/td><td>Ch\u1eadm h\u01a1n do \u0111\u1ed9 ph\u1ee9c t\u1ea1p<\/td><td>Nhanh h\u01a1n nh\u1edd c\u00fa ph\u00e1p \u0111\u01a1n gi\u1ea3n<\/td><\/tr><tr><td>Ph\u00f9 h\u1ee3p v\u1edbi team<\/td><td>Team c\u00f3 kinh nghi\u1ec7m FP<\/td><td>Team Java ho\u1eb7c mobile developer<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>H\u00e3y ch\u1ecdn Scala khi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1ea1n x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng Big Data ho\u1eb7c distributed systems<\/li>\n\n\n\n<li>Team c\u00f3 kinh nghi\u1ec7m v\u1edbi Functional Programming<\/li>\n\n\n\n<li>D\u1ef1 \u00e1n y\u00eau c\u1ea7u t\u1ed1i \u01b0u logic ph\u1ee9c t\u1ea1p v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cao<\/li>\n<\/ul>\n\n\n\n<p>H\u00e3y ch\u1ecdn Kotlin khi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1ea1n \u01b0u ti\u00ean t\u1ed1c \u0111\u1ed9 ph\u00e1t tri\u1ec3n v\u00e0 d\u1ec5 maintain<\/li>\n\n\n\n<li>Ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng Android ho\u1eb7c backend hi\u1ec7n \u0111\u1ea1i<\/li>\n\n\n\n<li>Mu\u1ed1n t\u1eadn d\u1ee5ng Kotlin Multiplatform \u0111\u1ec3 chia s\u1ebb code gi\u1eefa nhi\u1ec1u n\u1ec1n t\u1ea3ng<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-frameworks-ph\u1ed5-bi\u1ebfn-c\u1ee7a-scala-va-kotlin\"><span class=\"ez-toc-section\" id=\"Frameworks_pho_bien_cua_Scala_va_Kotlin\"><\/span><strong>Frameworks ph\u1ed5 bi\u1ebfn c\u1ee7a Scala v\u00e0 Kotlin<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Khi so s\u00e1nh Scala vs Kotlin, m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng c\u1ea7n xem x\u00e9t l\u00e0 h\u1ec7 sinh th\u00e1i framework h\u1ed7 tr\u1ee3 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng. C\u1ea3 hai ng\u00f4n ng\u1eef \u0111\u1ec1u ch\u1ea1y tr\u00ean JVM n\u00ean c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng nhi\u1ec1u th\u01b0 vi\u1ec7n Java, tuy nhi\u00ean m\u1ed7i ng\u00f4n ng\u1eef v\u1eabn c\u00f3 nh\u1eefng framework n\u1ed5i b\u1eadt \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang \u0111\u1ec3 khai th\u00e1c t\u1ed1i \u0111a \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a ch\u00fang. Vi\u1ec7c l\u1ef1a ch\u1ecdn framework ph\u00f9 h\u1ee3p s\u1ebd gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 ph\u00e1t tri\u1ec3n, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-framework-ph\u1ed5-bi\u1ebfn-c\u1ee7a-scala\"><strong>Framework ph\u1ed5 bi\u1ebfn c\u1ee7a Scala<\/strong><\/h3>\n\n\n\n<p>Scala th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng backend, microservices v\u00e0 Big Data. V\u00ec v\u1eady, nhi\u1ec1u framework Scala \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng theo h\u01b0\u1edbng asynchronous, reactive v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cao.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-play-framework\"><strong>Play Framework<\/strong><\/h4>\n\n\n\n<p>Play Framework l\u00e0 m\u1ed9t trong nh\u1eefng framework ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a Scala d\u00e0nh cho ph\u00e1t tri\u1ec3n web v\u00e0 REST API. Framework n\u00e0y \u00e1p d\u1ee5ng ki\u1ebfn tr\u00fac MVC v\u00e0 tri\u1ebft l\u00fd \u201cconvention over configuration\u201d, gi\u00fap gi\u1ea3m b\u1edbt c\u1ea5u h\u00ecnh v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng.<\/p>\n\n\n\n<p>\u0110\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u1ed7 tr\u1ee3 non-blocking I\/O v\u00e0 ki\u1ebfn tr\u00fac reactive<\/li>\n\n\n\n<li>T\u00edch h\u1ee3p s\u1eb5n routing, testing v\u00e0 dependency injection<\/li>\n\n\n\n<li>H\u1ed7 tr\u1ee3 ph\u00e1t tri\u1ec3n REST API v\u00e0 web application quy m\u00f4 l\u1edbn<\/li>\n<\/ul>\n\n\n\n<p>V\u00ed d\u1ee5 \u0111\u01a1n gi\u1ea3n v\u1edbi Play Framework:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>def hello(name: String) = Action {\n\u00a0\u00a0Ok(\"Hello \" + name)\n}<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-akka-http\"><strong>Akka HTTP<\/strong><\/h4>\n\n\n\n<p>Akka HTTP l\u00e0 framework x\u00e2y d\u1ef1ng tr\u00ean n\u1ec1n Akka toolkit, t\u1eadp trung v\u00e0o m\u00f4 h\u00ecnh actor v\u00e0 h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n. Framework n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng microservices ho\u1eb7c h\u1ec7 th\u1ed1ng realtime c\u1ea7n x\u1eed l\u00fd nhi\u1ec1u request \u0111\u1ed3ng th\u1eddi.<\/p>\n\n\n\n<p>\u01afu \u0111i\u1ec3m ch\u00ednh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u00f4 h\u00ecnh actor-based concurrency<\/li>\n\n\n\n<li>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng t\u1ed1t trong h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n<\/li>\n\n\n\n<li>Ph\u00f9 h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng realtime v\u00e0 streaming data<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-scalatra\"><strong>Scalatra<\/strong><\/h4>\n\n\n\n<p>Scalatra l\u00e0 m\u1ed9t microframework vi\u1ebft b\u1eb1ng Scala, \u0111\u01b0\u1ee3c l\u1ea5y c\u1ea3m h\u1ee9ng t\u1eeb Sinatra c\u1ee7a Ruby. Framework n\u00e0y t\u1eadp trung v\u00e0o s\u1ef1 \u0111\u01a1n gi\u1ea3n v\u00e0 nh\u1eb9, ph\u00f9 h\u1ee3p cho c\u00e1c REST API nh\u1ecf ho\u1eb7c d\u1ecbch v\u1ee5 backend \u0111\u01a1n gi\u1ea3n.<\/p>\n\n\n\n<p>\u0110i\u1ec3m n\u1ed5i b\u1eadt:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u1ea5u tr\u00fac nh\u1eb9, d\u1ec5 tri\u1ec3n khai<\/li>\n\n\n\n<li>Ph\u00f9 h\u1ee3p cho microservices nh\u1ecf<\/li>\n\n\n\n<li>D\u1ec5 t\u00edch h\u1ee3p v\u1edbi h\u1ec7 sinh th\u00e1i Java<\/li>\n<\/ul>\n\n\n\n<p>V\u00ed d\u1ee5 \u0111\u01a1n gi\u1ea3n v\u1edbi Scalatra:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>get(\"\/hello\/:name\") {\n\u00a0\u00a0\"Hello, \" + params(\"name\")\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-framework-ph\u1ed5-bi\u1ebfn-c\u1ee7a-kotlin\"><strong>Framework ph\u1ed5 bi\u1ebfn c\u1ee7a Kotlin<\/strong><\/h3>\n\n\n\n<p>Trong b\u1ed1i c\u1ea3nh Scala vs Kotlin, Kotlin n\u1ed5i b\u1eadt nh\u1edd h\u1ec7 sinh th\u00e1i framework th\u00e2n thi\u1ec7n v\u1edbi developer v\u00e0 ph\u00f9 h\u1ee3p cho c\u1ea3 backend l\u1eabn mobile development.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-ktor\"><strong>Ktor<\/strong><\/h4>\n\n\n\n<p>Ktor l\u00e0 framework \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi JetBrains, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho Kotlin \u0111\u1ec3 x\u00e2y d\u1ef1ng asynchronous server v\u00e0 client. Framework n\u00e0y n\u1ed5i b\u1eadt nh\u1edd ki\u1ebfn tr\u00fac non-blocking v\u00e0 coroutine-based gi\u00fap t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n<p>\u01afu \u0111i\u1ec3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lightweight v\u00e0 d\u1ec5 m\u1edf r\u1ed9ng<\/li>\n\n\n\n<li>H\u1ed7 tr\u1ee3 coroutine gi\u00fap x\u1eed l\u00fd b\u1ea5t \u0111\u1ed3ng b\u1ed9 hi\u1ec7u qu\u1ea3<\/li>\n\n\n\n<li>Ph\u00f9 h\u1ee3p v\u1edbi microservices v\u00e0 REST API<\/li>\n<\/ul>\n\n\n\n<p>V\u00ed d\u1ee5 Ktor server:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>fun main() {\n\u00a0\u00a0\u00a0\u00a0embeddedServer(Netty, port = 8080) {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0routing {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0get(\"\/hello\") {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0call.respondText(\"Hello Kotlin\")\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0\u00a0}.start(wait = true)\n}<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-spring-boot-v\u1edbi-kotlin\"><strong>Spring Boot v\u1edbi Kotlin<\/strong><\/h4>\n\n\n\n<p>Spring Boot l\u00e0 framework backend r\u1ea5t ph\u1ed5 bi\u1ebfn trong h\u1ec7 sinh th\u00e1i JVM. Kotlin c\u00f3 th\u1ec3 t\u00edch h\u1ee3p ho\u00e0n to\u00e0n v\u1edbi Spring Boot, gi\u00fap t\u1eadn d\u1ee5ng h\u1ec7 sinh th\u00e1i Spring m\u1ea1nh m\u1ebd trong khi v\u1eabn gi\u1eef c\u00fa ph\u00e1p ng\u1eafn g\u1ecdn c\u1ee7a Kotlin.<\/p>\n\n\n\n<p>\u01afu \u0111i\u1ec3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u1ec7 sinh th\u00e1i l\u1edbn v\u00e0 mature<\/li>\n\n\n\n<li>Ph\u00f9 h\u1ee3p v\u1edbi enterprise application v\u00e0 microservices<\/li>\n\n\n\n<li>T\u00edch h\u1ee3p t\u1ed1t v\u1edbi Spring Security, Spring Data, Spring Cloud<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-vert-x\"><strong>Vert.x<\/strong><\/h4>\n\n\n\n<p>Vert.x l\u00e0 framework event-driven ch\u1ea1y tr\u00ean JVM v\u00e0 h\u1ed7 tr\u1ee3 nhi\u1ec1u ng\u00f4n ng\u1eef, bao g\u1ed3m Kotlin v\u00e0 Scala. Framework n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng high-performance v\u00e0 reactive systems.<\/p>\n\n\n\n<p>\u0110\u1eb7c \u0111i\u1ec3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ki\u1ebfn tr\u00fac non-blocking, event-driven<\/li>\n\n\n\n<li>H\u1ed7 tr\u1ee3 nhi\u1ec1u ng\u00f4n ng\u1eef JVM<\/li>\n\n\n\n<li>Th\u00edch h\u1ee3p cho real-time applications<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-t\u1ed5ng-k\u1ebft-h\u1ec7-sinh-thai-framework-trong-scala-vs-kotlin\"><strong>T\u1ed5ng k\u1ebft h\u1ec7 sinh th\u00e1i framework trong Scala vs Kotlin<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Ti\u00eau ch\u00ed<\/strong><\/td><td><strong>Scala<\/strong><\/td><td><strong>Kotlin<\/strong><\/td><\/tr><tr><td>Framework n\u1ed5i b\u1eadt<\/td><td>Play, Apache Pekko, Cats Effect \/ ZIO, http4s&nbsp;<\/td><td>Ktor, Spring Boot, Vert.x<\/td><\/tr><tr><td>Phong c\u00e1ch ki\u1ebfn tr\u00fac<\/td><td>Reactive, d\u1ef1a tr\u00ean m\u00f4 h\u00ecnh actor<\/td><td>Th\u1ef1c d\u1ee5ng (pragmatic), d\u1ef1a tr\u00ean coroutine<\/td><\/tr><tr><td>\u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/td><td>Big Data, h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n<\/td><td>Android, backend microservices<\/td><\/tr><tr><td>\u0110\u1ed9 ph\u1ed5 bi\u1ebfn<\/td><td>M\u1ea1nh trong h\u1ec7 th\u1ed1ng d\u1eef li\u1ec7u l\u1edbn<\/td><td>Ph\u1ed5 bi\u1ebfn trong backend hi\u1ec7n \u0111\u1ea1i v\u00e0 ph\u00e1t tri\u1ec3n mobile<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-nh\u1eefng-cau-h\u1ecfi-th\u01b0\u1eddng-g\u1eb7p-v\u1ec1-scala-vs-kotlin\"><span class=\"ez-toc-section\" id=\"Nhung_cau_hoi_thuong_gap_ve_Scala_vs_Kotlin\"><\/span><strong>Nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Scala vs Kotlin<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-scala-vs-kotlin-ngon-ng\u1eef-nao-d\u1ec5-h\u1ecdc-h\u01a1n\"><strong>Scala vs Kotlin: Ng\u00f4n ng\u1eef n\u00e0o d\u1ec5 h\u1ecdc h\u01a1n?<\/strong><\/h3>\n\n\n\n<p>Khi so s\u00e1nh Scala vs Kotlin, Kotlin th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 d\u1ec5 h\u1ecdc h\u01a1n, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi nh\u1eefng l\u1eadp tr\u00ecnh vi\u00ean \u0111\u00e3 quen v\u1edbi Java. C\u00fa ph\u00e1p c\u1ee7a Kotlin \u0111\u01a1n gi\u1ea3n, r\u00f5 r\u00e0ng v\u00e0 \u00edt kh\u00e1i ni\u1ec7m ph\u1ee9c t\u1ea1p, gi\u00fap developer nhanh ch\u00f3ng l\u00e0m quen v\u00e0 b\u1eaft \u0111\u1ea7u ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng. Trong khi \u0111\u00f3, Scala c\u00f3 nhi\u1ec1u t\u00ednh n\u0103ng n\u00e2ng cao c\u1ee7a Functional Programming, v\u00ec v\u1eady qu\u00e1 tr\u00ecnh h\u1ecdc v\u00e0 l\u00e0m ch\u1ee7 ng\u00f4n ng\u1eef n\u00e0y th\u01b0\u1eddng m\u1ea5t nhi\u1ec1u th\u1eddi gian h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-nen-h\u1ecdc-scala-hay-kotlin-n\u1ebfu-da-bi\u1ebft-java\"><strong>N\u00ean h\u1ecdc Scala hay Kotlin n\u1ebfu \u0111\u00e3 bi\u1ebft Java?<\/strong><\/h3>\n\n\n\n<p>N\u1ebfu b\u1ea1n \u0111\u00e3 c\u00f3 n\u1ec1n t\u1ea3ng Java, vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa Scala vs Kotlin s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee5c ti\u00eau ph\u00e1t tri\u1ec3n c\u1ee7a b\u1ea1n. Kotlin th\u01b0\u1eddng l\u00e0 l\u1ef1a ch\u1ecdn d\u1ec5 ti\u1ebfp c\u1eadn h\u01a1n v\u00ec c\u00fa ph\u00e1p g\u1ea7n v\u1edbi Java v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch cao v\u1edbi c\u00e1c th\u01b0 vi\u1ec7n trong h\u1ec7 sinh th\u00e1i JVM. Trong khi \u0111\u00f3, Scala ph\u00f9 h\u1ee3p h\u01a1n n\u1ebfu b\u1ea1n mu\u1ed1n t\u00ecm hi\u1ec3u s\u00e2u v\u1ec1 Functional Programming ho\u1eb7c l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng Big Data v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-scala-co-t\u01b0\u01a1ng-thich-hoan-toan-v\u1edbi-java-khong\"><strong>Scala c\u00f3 t\u01b0\u01a1ng th\u00edch ho\u00e0n to\u00e0n v\u1edbi Java kh\u00f4ng?<\/strong><\/h3>\n\n\n\n<p>Scala ch\u1ea1y tr\u00ean JVM (Java Virtual Machine) n\u00ean c\u00f3 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch r\u1ea5t cao v\u1edbi Java. L\u1eadp tr\u00ecnh vi\u00ean c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u1ea7u h\u1ebft c\u00e1c th\u01b0 vi\u1ec7n, framework v\u00e0 c\u00f4ng c\u1ee5 trong h\u1ec7 sinh th\u00e1i Java tr\u1ef1c ti\u1ebfp trong d\u1ef1 \u00e1n Scala. Tuy nhi\u00ean, do s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 c\u00fa ph\u00e1p v\u00e0 m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ng\u00f4n ng\u1eef, \u0111\u00f4i khi c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh nh\u1ecf \u0111\u1ec3 vi\u1ec7c t\u00edch h\u1ee3p gi\u1eefa hai ng\u00f4n ng\u1eef ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-kotlin-co-thay-th\u1ebf-scala-trong-backend-khong\"><strong>Kotlin c\u00f3 thay th\u1ebf Scala trong backend kh\u00f4ng?<\/strong><\/h3>\n\n\n\n<p>Kotlin ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u trong ph\u00e1t tri\u1ec3n backend nh\u1edd c\u00fa ph\u00e1p \u0111\u01a1n gi\u1ea3n, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch t\u1ed1t v\u1edbi Java v\u00e0 h\u1ec7 sinh th\u00e1i framework m\u1ea1nh nh\u01b0 Spring Boot hay Ktor. Tuy nhi\u00ean, Kotlin kh\u00f4ng ho\u00e0n to\u00e0n thay th\u1ebf Scala v\u00ec Scala v\u1eabn c\u00f3 l\u1ee3i th\u1ebf trong c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c n\u1ec1n t\u1ea3ng x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn v\u00e0 ki\u1ebfn tr\u00fac ph\u00e2n t\u00e1n. Vi\u1ec7c l\u1ef1a ch\u1ecdn ng\u00f4n ng\u1eef backend ph\u00f9 h\u1ee3p s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u d\u1ef1 \u00e1n, quy m\u00f4 h\u1ec7 th\u1ed1ng v\u00e0 kinh nghi\u1ec7m c\u1ee7a \u0111\u1ed9i ng\u0169 ph\u00e1t tri\u1ec3n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-k\u1ebft-lu\u1eadn\"><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span><strong>K\u1ebft lu\u1eadn<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>T\u00f3m l\u1ea1i, khi \u0111\u1eb7t l\u00ean b\u00e0n c\u00e2n Scala vs Kotlin, m\u1ed7i ng\u00f4n ng\u1eef \u0111\u1ec1u mang \u0111\u1ebfn nh\u1eefng l\u1ee3i th\u1ebf ri\u00eang v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng m\u1ee5c ti\u00eau ph\u00e1t tri\u1ec3n kh\u00e1c nhau tr\u00ean n\u1ec1n t\u1ea3ng JVM. Vi\u1ec7c l\u1ef1a ch\u1ecdn ng\u00f4n ng\u1eef ph\u00f9 h\u1ee3p kh\u00f4ng ch\u1ec9 ph\u1ee5 thu\u1ed9c v\u00e0o t\u00ednh n\u0103ng k\u1ef9 thu\u1eadt m\u00e0 c\u00f2n li\u00ean quan \u0111\u1ebfn quy m\u00f4 d\u1ef1 \u00e1n, kinh nghi\u1ec7m c\u1ee7a \u0111\u1ed9i ng\u0169 l\u1eadp tr\u00ecnh v\u00e0 \u0111\u1ecbnh h\u01b0\u1edbng c\u00f4ng ngh\u1ec7 l\u00e2u d\u00e0i. Khi hi\u1ec3u r\u00f5 \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 th\u1ebf m\u1ea1nh c\u1ee7a t\u1eebng ng\u00f4n ng\u1eef, developer v\u00e0 doanh nghi\u1ec7p c\u00f3 th\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh h\u1ee3p l\u00fd, t\u1eeb \u0111\u00f3 t\u1ed1i \u01b0u hi\u1ec7u qu\u1ea3 ph\u00e1t tri\u1ec3n v\u00e0 x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng \u1ed5n \u0111\u1ecbnh, d\u1ec5 m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong h\u1ec7 sinh th\u00e1i l\u1eadp tr\u00ecnh ch\u1ea1y tr\u00ean JVM, nhi\u1ec1u developer th\u01b0\u1eddng \u0111\u1eb7t l\u00ean b\u00e0n c\u00e2n Scala vs Kotlin khi t\u00ecm ki\u1ebfm m\u1ed9t ng\u00f4n ng\u1eef hi\u1ec7n \u0111\u1ea1i \u0111\u1ec3 x\u00e2y d\u1ef1ng backend ho\u1eb7c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p. M\u1ed7i l\u1ef1a ch\u1ecdn \u0111\u1ec1u mang tri\u1ebft l\u00fd thi\u1ebft k\u1ebf ri\u00eang, t\u1eeb c\u00e1ch ti\u1ebfp c\u1eadn l\u1eadp tr\u00ecnh h\u00e0m cho \u0111\u1ebfn [&hellip;]<\/p>\n","protected":false},"author":214,"featured_media":95681,"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-95679","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chuyen-mon-it"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Scala vs Kotlin: C\u00e1ch ch\u1ecdn ng\u00f4n ng\u1eef ph\u00f9 h\u1ee3p v\u1edbi b\u1ea1n - ITviec Blog<\/title>\n<meta name=\"description\" content=\"Scala vs Kotlin: So s\u00e1nh chi ti\u1ebft v\u1ec1 tri\u1ebft l\u00fd thi\u1ebft k\u1ebf, c\u00fa ph\u00e1p, framework v\u00e0 khi n\u00e0o n\u00ean ch\u1ecdn m\u1ed7i ng\u00f4n ng\u1eef cho backend, h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p.\" \/>\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\/scala-vs-kotlin\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Scala vs Kotlin: C\u00e1ch ch\u1ecdn ng\u00f4n ng\u1eef ph\u00f9 h\u1ee3p v\u1edbi b\u1ea1n\" \/>\n<meta property=\"og:description\" content=\"Trong h\u1ec7 sinh th\u00e1i l\u1eadp tr\u00ecnh ch\u1ea1y tr\u00ean JVM, nhi\u1ec1u developer th\u01b0\u1eddng \u0111\u1eb7t l\u00ean b\u00e0n c\u00e2n Scala vs Kotlin khi t\u00ecm ki\u1ebfm m\u1ed9t ng\u00f4n ng\u1eef hi\u1ec7n \u0111\u1ea1i \u0111\u1ec3 x\u00e2y d\u1ef1ng backend\" \/>\n<meta property=\"og:url\" content=\"https:\/\/itviec.com\/blog\/scala-vs-kotlin\/\" \/>\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=\"2026-04-18T15:03:07+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-18T15:03:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2026\/04\/scala-vs-kotlin-scaled.png\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"421\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Hi\u1ebfu Phan\" \/>\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=\"Hi\u1ebfu Phan\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"23 ph\u00fat\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Scala vs Kotlin: C\u00e1ch ch\u1ecdn ng\u00f4n ng\u1eef ph\u00f9 h\u1ee3p v\u1edbi b\u1ea1n - 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