{"id":9065,"date":"2023-10-24T20:03:43","date_gmt":"2023-10-24T13:03:43","guid":{"rendered":"https:\/\/teky.edu.vn\/blog\/?p=9065"},"modified":"2023-10-29T15:49:07","modified_gmt":"2023-10-29T08:49:07","slug":"nguyen-ly-solid","status":"publish","type":"post","link":"https:\/\/teky.edu.vn\/blog\/nguyen-ly-solid\/","title":{"rendered":"Nguy\u00ean l\u00fd SOLID l\u00e0 g\u00ec? C\u00e1ch gi\u1ea3i tr\u00ecnh SOLID \u0111\u01a1n gi\u1ea3n nh\u1ea5t"},"content":{"rendered":"\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-top\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;9065&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;top&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;6&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;5&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;5\\\/5 - (6 b\u00ecnh ch\u1ecdn)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;Nguy\u00ean l\u00fd SOLID l\u00e0 g\u00ec? C\u00e1ch gi\u1ea3i tr\u00ecnh SOLID \u0111\u01a1n gi\u1ea3n nh\u1ea5t&quot;,&quot;width&quot;:&quot;142.5&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 142.5px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            5\/5 - (6 b\u00ecnh ch\u1ecdn)    <\/div>\n    <\/div>\n<p style=\"text-align: justify;\"><em>N\u1ebfu b\u1ea1n l\u00e0 m\u1ed9t nh\u00e0 l\u1eadp tr\u00ecnh vi\u00ean ho\u1eb7c b\u1ea1n \u0111ang c\u00f4ng t\u00e1c trong ng\u00e0nh l\u1eadp tr\u00ecnh th\u00ec h\u1eb3n s\u1ebd c\u00f3 \u00edt nh\u1ea5t m\u1ed9t l\u1ea7n nghe \u0111\u1ebfn c\u1ee5m t\u1eeb <strong>nguy\u00ean l\u00fd SOLID<\/strong>. L\u1eadp tr\u00ecnh c\u0169ng nh\u01b0 b\u1ea5t k\u1ef3 c\u00f4ng vi\u1ec7c n\u00e0o kh\u00e1c, c\u0169ng s\u1ebd c\u00f3 c\u00e1c nguy\u00ean t\u1eafc th\u1ef1c hi\u1ec7n \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u hi\u1ec7u su\u1ea5t v\u00e0 gi\u1ea3m thi\u1ec3u r\u1ee7i ro \u1edf m\u1ee9c cao nh\u1ea5t. V\u00e0 SOLID ch\u00ednh l\u00e0 nguy\u00ean l\u00fd \u0111\u01b0\u1ee3c nhi\u1ec1u nh\u00e0 l\u1eadp tr\u00ecnh vi\u00ean \u00e1p d\u1ee5ng v\u00e0o trong c\u00f4ng vi\u1ec7c c\u1ee7a m\u00ecnh. V\u1eady SOLID \u0111\u1ea1i di\u1ec7n cho \u0111i\u1ec1u g\u00ec? H\u00e3y c\u00f9ng Teky kh\u00e1m ph\u00e1 trong b\u00e0i vi\u1ebft sau \u0111\u00e2y.<\/em><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 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 <\/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:\/\/teky.edu.vn\/blog\/nguyen-ly-solid\/#Nguon_goc_cua_nguyen_ly_SOLID_la_gi\" >Ngu\u1ed3n g\u1ed1c c\u1ee7a nguy\u00ean l\u00fd SOLID 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:\/\/teky.edu.vn\/blog\/nguyen-ly-solid\/#Khai_niem_cua_nguyen_ly_SOLID\" >Kh\u00e1i ni\u1ec7m c\u1ee7a nguy\u00ean l\u00fd SOLID<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/teky.edu.vn\/blog\/nguyen-ly-solid\/#Nguyen_tac_trach_nhiem_don_le_Single_Responsibility_Principle\" >Nguy\u00ean t\u1eafc tr\u00e1ch nhi\u1ec7m \u0111\u01a1n l\u1ebb (Single Responsibility Principle)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/teky.edu.vn\/blog\/nguyen-ly-solid\/#Nguyen_tac_dong_mo_The_Open-Closed_Principle\" >Nguy\u00ean t\u1eafc \u0111\u00f3ng m\u1edf (The Open-Closed Principle)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/teky.edu.vn\/blog\/nguyen-ly-solid\/#Nguyen_tac_phan_vung_Liskov_The_Liskov_Substitution_Principle\" >Nguy\u00ean t\u1eafc ph\u00e2n v\u00f9ng Liskov (The Liskov Substitution Principle)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/teky.edu.vn\/blog\/nguyen-ly-solid\/#Nguyen_tac_phan_tach_giao_dien_Interface_Segregation_Principle\" >Nguy\u00ean t\u1eafc ph\u00e2n t\u00e1ch giao di\u1ec7n (Interface Segregation Principle)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/teky.edu.vn\/blog\/nguyen-ly-solid\/#Nguyen_tac_dao_nguoc_phu_thuoc_Dependency_Inversion_Principle\" >Nguy\u00ean t\u1eafc \u0111\u1ea3o ng\u01b0\u1ee3c ph\u1ee5 thu\u1ed9c (Dependency Inversion Principle)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/teky.edu.vn\/blog\/nguyen-ly-solid\/#Ket_luan_ve_nguyen_ly_SOLID\" >K\u1ebft lu\u1eadn v\u1ec1 nguy\u00ean l\u00fd SOLID<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/teky.edu.vn\/blog\/nguyen-ly-solid\/#Hoc_vien_cong_nghe_Teky_la_noi_hoc_lap_trinh_hang_dau_Viet_Nam\" >H\u1ecdc vi\u1ec7n c\u00f4ng ngh\u1ec7 Teky l\u00e0 n\u01a1i h\u1ecdc l\u1eadp tr\u00ecnh h\u00e0ng \u0111\u1ea7u Vi\u1ec7t Nam<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/teky.edu.vn\/blog\/nguyen-ly-solid\/#Day_la_chuong_trinh_khong_chi_trang_bi_kien_thuc_lap_trinh_ma_con_ren_luyen_nhom_ky_nang_4Cs_Tre_se_duoc\" >\u0110\u00e2y l\u00e0 ch\u01b0\u01a1ng tr\u00ecnh kh\u00f4ng ch\u1ec9 trang b\u1ecb ki\u1ebfn th\u1ee9c l\u1eadp tr\u00ecnh m\u00e0 c\u00f2n r\u00e8n luy\u1ec7n nh\u00f3m k\u1ef9 n\u0103ng 4Cs. Tr\u1ebb s\u1ebd \u0111\u01b0\u1ee3c:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/teky.edu.vn\/blog\/nguyen-ly-solid\/#Lien_he_ngay_hoc_vien_cong_nghe_sang_tao_TEKY_de_duoc_tu_van_khoa_hoc\" >Li\u00ean h\u1ec7 ngay h\u1ecdc vi\u1ec7n c\u00f4ng ngh\u1ec7 s\u00e1ng t\u1ea1o TEKY \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n kh\u00f3a h\u1ecdc:<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Nguon_goc_cua_nguyen_ly_SOLID_la_gi\"><\/span>Ngu\u1ed3n g\u1ed1c c\u1ee7a nguy\u00ean l\u00fd SOLID l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">L\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Object Oriented Programming (OOP). OOP l\u00e0 ph\u01b0\u01a1ng th\u1ee9c l\u1eadp tr\u00ecnh cho ph\u00e9p l\u1eadp tr\u00ecnh vi\u00ean s\u1eed d\u1ee5ng c\u00e1c code \u0111\u1ec3 tr\u1eebu t\u01b0\u1ee3ng h\u00f3a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t k\u1ef3. Qu\u00e1 tr\u00ecnh n\u00e0y s\u1ebd gi\u00fap t\u1ea1o ra c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng nh\u1ea5t \u0111\u1ecbnh. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng th\u1ee9c l\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay. N\u00f3 ph\u00f9 h\u1ee3p v\u1edbi h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh kh\u00e1c nhau.<\/p>\n<figure id=\"attachment_9068\" aria-describedby=\"caption-attachment-9068\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-9068\" src=\"https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2021\/09\/nguyen-ly-solid-co-nguon-goc-nhu-the-nao.jpg\" alt=\"Nguy\u00ean l\u00fd SOLID c\u00f3 ngu\u1ed3n g\u1ed1c nh\u01b0 th\u1ebf n\u00e0o?\" width=\"650\" height=\"400\" srcset=\"https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2021\/09\/nguyen-ly-solid-co-nguon-goc-nhu-the-nao.jpg 650w, https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2021\/09\/nguyen-ly-solid-co-nguon-goc-nhu-the-nao-400x246.jpg 400w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption id=\"caption-attachment-9068\" class=\"wp-caption-text\">Nguy\u00ean l\u00fd SOLID c\u00f3 ngu\u1ed3n g\u1ed1c nh\u01b0 th\u1ebf n\u00e0o?<\/figcaption><\/figure>\n<p style=\"text-align: justify;\">Hi\u1ec7u n\u0103ng c\u1ee7a OOP \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean 4 y\u1ebfu t\u1ed1 kh\u00e1c nhau:<\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\">T\u00ednh tr\u1eebu t\u01b0\u1ee3ng (abstraction): B\u1eb1ng vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c l\u1edbp tr\u1eebu t\u01b0\u1ee3ng, ng\u01b0\u1eddi d\u00f9ng s\u1ebd t\u1ea1o n\u00ean m\u00f4 h\u00ecnh c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng trong th\u1ebf gi\u1edbi th\u1ef1c.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">T\u00ednh \u0111\u00f3ng g\u00f3i (Encapsulation): Y\u1ebfu t\u1ed1 n\u00e0y l\u00e0 \u0111\u1ec3 ch\u1ec9 tr\u01b0\u1eddng h\u1ee3p c\u00e1c th\u1ef1c th\u1ec3 c\u1ee7a l\u1edbp tr\u1eebu t\u01b0\u1ee3ng s\u1edf h\u1eefu nh\u1eefng gi\u00e1 tr\u1ecb thu\u1ed9c t\u00ednh \u0111\u1ed9c l\u1eadp.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">T\u00ednh k\u1ebf th\u1eeba (Inheritance): Y\u1ebfu t\u1ed1 n\u00e0y cho ph\u00e9p c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c ph\u00e9p k\u1ebf th\u1eeba v\u00e0 m\u1edf r\u1ed9ng l\u1eabn nhau.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">T\u00ednh \u0111a h\u00ecnh (Polymorphism): T\u00f9y theo t\u1eebng lo\u1ea1i \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c nhau, ta c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t quy tr\u00ecnh b\u1eb1ng nhi\u1ec1u c\u00e1ch ri\u00eang bi\u1ec7t.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">V\u1eady l\u00e0 ta \u0111\u00e3 n\u1eafm \u0111\u01b0\u1ee3c 4 y\u1ebfu t\u1ed1 c\u1ea7n thi\u1ebft \u0111\u1ec3 m\u1ed9t l\u1eadp tr\u00ecnh OOP c\u00f3 th\u1ec3 ph\u00e1t huy h\u1ebft t\u00e1c d\u1ee5ng v\u1ed1n c\u00f3 c\u1ee7a n\u00f3. V\u1eady SOLID th\u00ec li\u00ean quan g\u00ec \u0111\u1ebfn OOP? Nguy\u00ean t\u1eafc SOLID \u0111\u01b0\u1ee3c hi\u1ec3u nh\u01b0 m\u1ed9t c\u1ea9m nang h\u01b0\u1edbng d\u1eabn b\u1ea1n s\u1eed d\u1ee5ng OOP th\u1eadt hi\u1ec7u qu\u1ea3. Tu\u00e2n th\u1ee7 theo c\u00e1c nguy\u00ean t\u1eafc SOLID gi\u00fap ng\u01b0\u1eddi d\u00f9ng ph\u1ed1i h\u1ee3p \u0111\u01b0\u1ee3c 4 t\u00ednh n\u0103ng c\u1ee7a OOP v\u1edbi nhau th\u1eadt nhu\u1ea7n nguy\u1ec5n.<\/p>\n<p><a href=\"https:\/\/lotrinhlaptrinh.teky.vn\/?utm_id=ContentBlog&amp;utm_medium=Click_Blog&amp;utm_source=ContentBlog\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-22416\" src=\"https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2023\/10\/dang-ky-lap-trinh-teky.gif\" alt=\"dang-ky-lap-trinh\" width=\"600\" height=\"314\" \/><\/a><\/p>\n<p>&gt;&gt;&gt; Xem th\u00eam : <a href=\"https:\/\/teky.edu.vn\/blog\/heroku-la-gi\/\"><span data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Heroku l\u00e0 g\u00ec? Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng v\u00e0 \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:4480,&quot;10&quot;:2,&quot;11&quot;:0,&quot;15&quot;:&quot;Arial&quot;}\">Heroku l\u00e0 g\u00ec? Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng v\u00e0 \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m<\/span><\/a><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Khai_niem_cua_nguyen_ly_SOLID\"><\/span>Kh\u00e1i ni\u1ec7m c\u1ee7a nguy\u00ean l\u00fd SOLID<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">Nguy\u00ean l\u00fd SOLID ngh\u0129a l\u00e0 g\u00ec? SOLID trong l\u1eadp tr\u00ecnh v\u1ed1n l\u00e0 b\u1ed9 5 nguy\u00ean t\u1eafc \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi 2 t\u00e1c gi\u1ea3 Bob Martin v\u00e0 Michael Feathers. Nh\u1eefng h\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd gi\u00fap l\u1eadp tr\u00ecnh vi\u00ean t\u1ea1o ra \u0111\u01b0\u1ee3c nh\u1eefng \u0111o\u1ea1n code d\u1ec5 \u0111\u1ecdc, d\u1ec5 hi\u1ec3u, d\u1ec5 maintain. SOLID l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a 5 c\u1ee5m t\u1eeb sau:<\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\">Single Responsibility Principle (SRP)<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Open\/Closed Principle (OCP)<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Liskov Substitution Principle (LSP)<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Interface Segregation Principle (ISP)<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Dependency Inversion Principle (DIP)<\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Nguyen_tac_trach_nhiem_don_le_Single_Responsibility_Principle\"><\/span>Nguy\u00ean t\u1eafc tr\u00e1ch nhi\u1ec7m \u0111\u01a1n l\u1ebb (Single Responsibility Principle)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\">Nguy\u00ean l\u00fd SOLID n\u00e0y cho r\u1eb1ng, m\u1ed7i class ch\u1ec9 n\u00ean th\u1ef1c hi\u1ec7n m\u1ed9t tr\u00e1ch nhi\u1ec7m duy nh\u1ea5t. Ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng n\u00ean cho m\u1ed9t class ki\u00eam nhi\u1ec7m nhi\u1ec1u ho\u1ea1t \u0111\u1ed9ng c\u00f9ng l\u00fac. Th\u1ee9 nh\u1ea5t, vi\u1ec7c ph\u1ea3i chia th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c cho nhi\u1ec1u c\u00f4ng vi\u1ec7c s\u1ebd l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng. H\u01a1n n\u1eefa n\u00f3 c\u00f2n m\u1ea5t th\u1eddi gian khi ph\u1ea3i chuy\u1ec3n d\u1ecbch t\u1eeb c\u00f4ng vi\u1ec7c n\u00e0y sang c\u00f4ng vi\u1ec7c kh\u00e1c. Ngo\u00e0i ra, vi\u1ec7c ch\u1ea1y \u0111\u1ed3ng th\u1eddi nhi\u1ec1u quy tr\u00ecnh m\u1ed9t l\u00fac c\u0169ng r\u1ea5t d\u1ec5 x\u1ea3y ra l\u1ed7i.<\/p>\n<figure id=\"attachment_9069\" aria-describedby=\"caption-attachment-9069\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-9069\" src=\"https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2021\/09\/nguyen-tac-trach-nhiem-don-le.jpg\" alt=\"Nguy\u00ean t\u1eafc tr\u00e1ch nhi\u1ec7m \u0111\u01a1n l\u1ebb\" width=\"650\" height=\"400\" srcset=\"https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2021\/09\/nguyen-tac-trach-nhiem-don-le.jpg 650w, https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2021\/09\/nguyen-tac-trach-nhiem-don-le-400x246.jpg 400w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption id=\"caption-attachment-9069\" class=\"wp-caption-text\">Nguy\u00ean t\u1eafc tr\u00e1ch nhi\u1ec7m \u0111\u01a1n l\u1ebb<\/figcaption><\/figure>\n<p style=\"text-align: justify;\">V\u00ed d\u1ee5, b\u1ea1n c\u00f3 m\u1ed9t l\u1edbp A. B\u1ea1n cho l\u1edbp A ch\u1ea1y c\u1ea3 c\u00f4ng vi\u1ec7c X v\u00e0 c\u00f4ng vi\u1ec7c Y. C\u00f3 th\u1ec3 th\u1eddi gian \u0111\u1ea7u b\u1ea1n s\u1ebd th\u1ea5y c\u00e1ch l\u00e0m n\u00e0y ti\u1ebft ki\u1ec7m th\u1eddi gian t\u1ea1o c\u00e1c l\u1edbp v\u00e0 g\u00e1n \u0111\u1ed1i t\u01b0\u1ee3ng h\u01a1n. Tuy nhi\u00ean, khi s\u1ed1 l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c t\u0103ng l\u00ean, li\u1ec7u r\u1eb1ng b\u1ea1n c\u00f3 ti\u1ebfp t\u1ee5c cho l\u1edbp A ch\u1ea1y th\u00eam c\u00f4ng vi\u1ec7c Z, W, J\u2026 xu\u1ea5t hi\u1ec7n ph\u00eda sau hay kh\u00f4ng? M\u1ed7i l\u1ea7n c\u00f3 th\u00eam m\u1ed9t c\u00f4ng vi\u1ec7c, l\u1eadp tr\u00ecnh vi\u00ean s\u1ebd ph\u1ea3i v\u00e0o l\u1ea1i l\u1edbp A v\u00e0 ch\u1ec9nh s\u1eeda to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng. Nh\u01b0 v\u1eady r\u1ea5t m\u1ea5t th\u1eddi gian v\u00e0 c\u00f2n d\u1ec5 x\u1ea3y ra sai s\u00f3t trong qu\u00e1 tr\u00ecnh s\u1eeda ch\u1eefa. Ch\u01b0a k\u1ec3 \u0111\u1ebfn vi\u1ec7c khi m\u1ed9t trong c\u00e1c c\u00f4ng vi\u1ec7c c\u1ea7n t\u1ea1m d\u1eebng, ng\u01b0\u1eddi d\u00f9ng c\u0169ng ph\u1ea3i l\u1eadt l\u1ea1i to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng c\u1ee7a A \u0111\u1ec3 l\u00e0m l\u1ea1i.<\/p>\n<p><iframe loading=\"lazy\" title=\"Gi\u1edbi thi\u1ec7u v\u1ec1 quy t\u1eafc SOLID: K\u0129 n\u0103ng c\u1ea7n c\u00f3 c\u1ee7a m\u1ed9t dev tr\u00ecnh cao\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/pqiIdCFyfkU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>&gt;&gt;&gt; Xem th\u00eam : <a href=\"https:\/\/teky.edu.vn\/blog\/con-tro-trong-c\/\"><span data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Con tr\u1ecf trong C l\u00e0 g\u00ec? Gi\u1edbi thi\u1ec7u kh\u00e1i ni\u1ec7m v\u00e0 n\u1ed9i dung c\u01a1 b\u1ea3n&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:4480,&quot;10&quot;:2,&quot;11&quot;:0,&quot;15&quot;:&quot;Arial&quot;}\">Con tr\u1ecf trong C l\u00e0 g\u00ec? Gi\u1edbi thi\u1ec7u kh\u00e1i ni\u1ec7m v\u00e0 n\u1ed9i dung c\u01a1 b\u1ea3n<\/span><\/a><\/p>\n<p style=\"text-align: justify;\">V\u1eady n\u00ean, c\u00e1c t\u1ed1t nh\u1ea5t \u0111\u1ec3 h\u1ea1n ch\u1ebf to\u00e0n b\u1ed9 nh\u1eefng r\u1ee7i ro nh\u01b0 v\u1eady l\u00e0 cho m\u1ed7i l\u1edbp m\u1ed9t ch\u1ee9c n\u0103ng ri\u00eang bi\u1ec7t. Kh\u00f4ng n\u00ean g\u1ed9p nhi\u1ec1u ho\u1ea1t \u0111\u1ed9ng v\u00e0o c\u00f9ng m\u1ed9t l\u1edbp.<\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Nguyen_tac_dong_mo_The_Open-Closed_Principle\"><\/span>Nguy\u00ean t\u1eafc \u0111\u00f3ng m\u1edf (The Open-Closed Principle)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\">Nguy\u00ean t\u1eafc \u0111\u00f3ng m\u1edf \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 m\u00f4 t\u1ea3 ho\u1ea1t \u0111\u1ed9ng k\u1ebf th\u1eeba c\u1ee7a c\u00e1c l\u1edbp. V\u00ed d\u1ee5, v\u1edbi m\u1ed9t nh\u00e2n vi\u00ean c\u00f4ng t\u00e1c t\u1ea1i c\u00f4ng ty, anh ta \u0111ang l\u00e0m vi\u1ec7c r\u1ea5t t\u1ed1t, v\u00ec th\u1ebf ngo\u00e0i l\u01b0\u01a1ng c\u1ee9ng anh ta s\u1ebd c\u00f3 th\u00eam m\u1ed9t kho\u1ea3n ti\u1ec1n th\u01b0\u1edfng. V\u1edbi tr\u01b0\u1eddng h\u1ee3p nh\u01b0 v\u1eady, l\u1ef1a ch\u1ecdn c\u1ee7a b\u1ea1n l\u00e0 l\u1eadp th\u00eam m\u1ed9t l\u1edbp m\u1edbi cho kho\u1ea3n th\u01b0\u1edfng (d\u1ef1a tr\u00ean nguy\u00ean t\u1eafc \u0111\u01a1n l\u1ebb ph\u00eda tr\u00ean) \u0111\u00fang hay kh\u00f4ng? \u0110i\u1ec1u n\u00e0y kh\u1ea3 thi nh\u01b0ng kh\u00f4ng hi\u1ec7u qu\u1ea3. N\u1ebfu nh\u01b0 anh ta c\u00f3 th\u00eam m\u1ed9t kho\u1ea3n th\u01b0\u1edfng n\u1eefa th\u00ec sao, khi \u1ea5y ch\u00fang ta l\u1ea1i ph\u1ea3i quay l\u1ea1i v\u00e0 s\u1eeda l\u1edbp \u0111\u1ea1i di\u1ec7n cho ti\u1ec1n th\u01b0\u1edfng \u01b0? Ch\u1eafc ch\u1eafn l\u00e0 kh\u00f4ng n\u00ean l\u00e0m nh\u01b0 v\u1eady. L\u1eadp tr\u00ecnh h\u1ea1n ch\u1ebf nh\u1ea5t l\u00e0 ch\u1ec9nh s\u1eeda b\u1edfi n\u00f3 \u0111em l\u1ea1i r\u1ee7i ro v\u1ec1 sai ph\u1ea1m l\u00e0 r\u1ea5t cao.<\/p>\n<p style=\"text-align: justify;\">V\u1eady n\u00ean trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, b\u1ea1n n\u00ean s\u1eed d\u1ee5ng m\u1ed9t l\u1edbp k\u1ebf th\u1eeba. Nguy\u00ean l\u00fd SOLID n\u00e0y cho ph\u00e9p \u0111\u00f3ng l\u1edbp ti\u1ec1n l\u01b0\u01a1ng v\u00e0 m\u1edf l\u1edbp ti\u1ec1n th\u01b0\u1eddng. T\u1ee9c l\u00e0 l\u1edbp ch\u00ednh ti\u1ec1n l\u01b0\u01a1ng c\u1ed1 \u0111\u1ecbnh s\u1ebd kh\u00f4ng b\u1ecb ch\u1ecbu b\u1ea5t k\u1ef3 \u1ea3nh h\u01b0\u1edfng n\u00e0o c\u1ea3. C\u00f2n l\u1edbp th\u01b0\u1edfng s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 k\u1ebf th\u1eeba c\u1ee7a l\u1edbp l\u01b0\u01a1ng \u0111\u1ec3 b\u1ed5 sung c\u00e1c th\u00f4ng tin c\u1ea7n thi\u1ebft. Quy tr\u00ecnh n\u00e0y k\u00e9o d\u00e0i \u0111\u1ebfn v\u00f4 h\u1ea1n c\u00e1c l\u1edbp sau. \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng \u00e1n r\u1ea5t an to\u00e0n v\u00e0 thi\u1ec7n thi\u1ec7n, v\u1eeba gi\u00fap ph\u00e1t tri\u1ec3n code m\u1edbi m\u00e0 l\u1ea1i kh\u00f4ng lo l\u00e0m h\u1ecfng code c\u0169.<\/p>\n<figure id=\"attachment_9070\" aria-describedby=\"caption-attachment-9070\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-9070\" src=\"https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2021\/09\/solid-principles-la-gi.jpg\" alt=\"SOLID Principles l\u00e0 g\u00ec?\" width=\"650\" height=\"400\" srcset=\"https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2021\/09\/solid-principles-la-gi.jpg 650w, https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2021\/09\/solid-principles-la-gi-400x246.jpg 400w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption id=\"caption-attachment-9070\" class=\"wp-caption-text\">SOLID Principles l\u00e0 g\u00ec?<\/figcaption><\/figure>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Nguyen_tac_phan_vung_Liskov_The_Liskov_Substitution_Principle\"><\/span>Nguy\u00ean t\u1eafc ph\u00e2n v\u00f9ng Liskov (The Liskov Substitution Principle)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\">Ph\u00e2n v\u00f9ng Liskov l\u00e0 m\u1ed9t trong nh\u1eefng ph\u1ea7n quan tr\u1ecdng c\u1ee7a nguy\u00ean l\u00fd SOLID. Nguy\u00ean t\u1eafc n\u00e0y gi\u00fap gi\u1ea3i quy\u1ebft c\u00e1c l\u1ed7i th\u01b0\u1eddng x\u1ea3y ra trong l\u1eadp tr\u00ecnh.<\/p>\n<p style=\"text-align: justify;\">V\u00ed d\u1ee5: C\u00f3 m\u1ed9t \u0111o\u1ea1n m\u00e3 m\u00f4 t\u1ea3 nh\u1eefng lo\u00e0i chim bi\u1ebft bay. Khi g\u1eb7p m\u1ed9t lo\u00e0i chim kh\u00f4ng bi\u1ebft bay nh\u01b0 chim c\u00e1nh c\u1ee5t, n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c g\u1eafn v\u1edbi NoFlyException. Tuy nhi\u00ean, n\u1ebfu chim c\u00e1nh c\u1ee5t l\u1ea1i ti\u1ebfp t\u1ee5c xu\u1ea5t hi\u1ec7n \u1edf v\u00f2ng l\u1eb7p main, ch\u01b0\u01a1ng tr\u00ecnh s\u1ebd t\u1ef1 \u0111\u1ed9ng qu\u0103ng Exception. \u0110\u00f3 ch\u00ednh l\u00e0 b\u1ea3n ch\u1ea5t c\u1ee7a nguy\u00ean t\u1eafc ph\u00e2n v\u00f9ng.<\/p>\n<p style=\"text-align: justify;\">\u0110\u1ec3 gi\u1ea3i quy\u1ebft \u0111i\u1ec1u n\u00e0y, ta c\u1ea7n ph\u1ea3i t\u00e1ch l\u1edbp chim c\u00e1nh c\u1ee5t ra m\u1ed9t interface ri\u00eang. Nguy\u00ean t\u1eafc n\u00e0y xu\u1ea5t hi\u1ec7n l\u00e0 \u0111\u1ec3 nh\u1eafc nh\u1edf l\u1eadp tr\u00ecnh vi\u00ean ch\u00fa \u00fd \u0111\u1ebfn t\u00ednh sai ph\u1ea1m c\u1ee7a n\u1ed9i dung c\u00e1c \u0111o\u1ea1n m\u00e3 l\u1eadp tr\u00ecnh. N\u1ebfu kh\u00f4ng khi \u0111\u1ec3 \u0111\u1ebfn l\u00fac ho\u00e0n th\u00e0nh m\u1edbi ph\u00e1t hi\u1ec7n ra l\u1ed7i th\u00ec s\u1eeda l\u1ea1i r\u1ea5t kh\u00f3 kh\u0103n v\u00e0 m\u1ea5t th\u1eddi gian.<\/p>\n<p><a href=\"https:\/\/lotrinhlaptrinh.teky.vn\/?utm_id=ContentBlog&amp;utm_medium=Click_Blog&amp;utm_source=ContentBlog\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-22417\" src=\"https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2023\/10\/dang-ky-lap-trinh-teky1.gif\" alt=\"dang-ky-lap-trinh-teky1\" width=\"600\" height=\"314\" \/><\/a><\/p>\n<p>&gt;&gt;&gt; Xem th\u00eam : <a href=\"https:\/\/teky.edu.vn\/blog\/webhook-la-gi\/\"><span data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Webhook l\u00e0 g\u00ec? Nh\u1eefng l\u01b0u \u00fd khi s\u1eed d\u1ee5ng Webhook cho ng\u01b0\u1eddi m\u1edbi&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:4480,&quot;10&quot;:2,&quot;11&quot;:0,&quot;15&quot;:&quot;Arial&quot;}\">Webhook l\u00e0 g\u00ec? Nh\u1eefng l\u01b0u \u00fd khi s\u1eed d\u1ee5ng Webhook cho ng\u01b0\u1eddi m\u1edbi<\/span><\/a><\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Nguyen_tac_phan_tach_giao_dien_Interface_Segregation_Principle\"><\/span>Nguy\u00ean t\u1eafc ph\u00e2n t\u00e1ch giao di\u1ec7n (Interface Segregation Principle)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\">Tr\u01b0\u1eddng h\u1ee3p th\u1ef1c t\u1ebf c\u1ee7a nguy\u00ean t\u1eafc n\u00e0y nh\u01b0 sau: B\u1ea1n s\u1edf h\u1eefu m\u1ed9t trung t\u00e2m cung c\u1ea5p c\u00e1c g\u00f3i du l\u1ecbch bao g\u1ed3m nh\u1eefng s\u1ea3n ph\u1ea9m nh\u01b0: g\u00f3i 1, g\u00f3i 2, g\u00f3i 3\u2026 C\u00e1c kh\u00e1ch h\u00e0ng c\u00f9ng s\u1eed d\u1ee5ng m\u1ed9t g\u00f3i s\u1ebd \u0111\u01b0\u1ee3c cho v\u00e0o m\u1ed9t interface chung. Th\u1eddi gian ban \u0111\u1ea7u, b\u1ea1n th\u1ea5y c\u00e1ch qu\u1ea3n l\u00fd n\u00e0y r\u1ea5t h\u1ee3p l\u00fd r\u1ed3i. Tuy nhi\u00ean, b\u1ed7ng c\u00f3 nh\u1eefng kh\u00e1ch h\u00e0ng mu\u1ed1n s\u1eed d\u1ee5ng m\u1ed9t g\u00f3i bao g\u1ed3m m\u1ed9t v\u00e0i d\u1ecbch v\u1ee5 trong g\u00f3i 1 c\u00f9ng m\u1ed9t s\u1ed1 d\u1ecbch v\u1ee5 kh\u00e1c trong g\u00f3i 2. Th\u1ebf l\u00e0 b\u1ed7ng d\u01b0ng c\u00f3 nh\u1eefng g\u00f3i m\u1edbi \u0111\u01b0\u1ee3c ph\u00e1t sinh. C\u00e0ng ng\u00e0y c\u00f3 c\u00e0ng nhi\u1ec1u kh\u00e1ch h\u00e0ng y\u00eau c\u1ea7u g\u00f3i ri\u00eang nh\u01b0 v\u1eady. N\u1ebfu ta c\u1ee9 vi\u1ebft chung v\u00e0o trong interface g\u00f3i du l\u1ecbch nh\u01b0 v\u1eady th\u00ec s\u1ebd ph\u1ea3i implement nhi\u1ec1u h\u00e0m kh\u00f4ng c\u1ea7n thi\u1ebft.<\/p>\n<p style=\"text-align: justify;\">Ta s\u1ebd gi\u1ea3i quy\u1ebft tr\u01b0\u1eddng h\u1ee3p n\u00e0y b\u1eb1ng nguy\u00ean t\u1eafc ph\u00e2n t\u00e1ch giao di\u1ec7n. H\u00e3y t\u00e1ch c\u00e1c d\u1ecbch v\u1ee5 th\u00e0nh c\u00e1c interface c\u1ee5 th\u1ec3 kh\u00e1c nhau. Khi \u0111\u00f3, kh\u00e1ch h\u00e0ng y\u00eau c\u1ea7u d\u1ecbch v\u1ee5 n\u00e0o, ta g\u1ed9p d\u1ecbch v\u1ee5 \u0111\u00f3 th\u00e0nh m\u1ed9t g\u00f3i m\u1edbi cho kh\u00e1ch. Nguy\u00ean l\u00fd SOLID n\u00e0y gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng quy m\u00f4 m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n.<\/p>\n<figure id=\"attachment_9066\" aria-describedby=\"caption-attachment-9066\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-9066\" src=\"https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2021\/09\/ap-dung-solid-de-lap-trinh-hieu-qua.jpg\" alt=\"\u00c1p d\u1ee5ng SOLID \u0111\u1ec3 l\u1eadp tr\u00ecnh hi\u1ec7u qu\u1ea3\" width=\"650\" height=\"400\" srcset=\"https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2021\/09\/ap-dung-solid-de-lap-trinh-hieu-qua.jpg 650w, https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2021\/09\/ap-dung-solid-de-lap-trinh-hieu-qua-400x246.jpg 400w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption id=\"caption-attachment-9066\" class=\"wp-caption-text\">\u00c1p d\u1ee5ng SOLID \u0111\u1ec3 l\u1eadp tr\u00ecnh hi\u1ec7u qu\u1ea3<\/figcaption><\/figure>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Nguyen_tac_dao_nguoc_phu_thuoc_Dependency_Inversion_Principle\"><\/span>Nguy\u00ean t\u1eafc \u0111\u1ea3o ng\u01b0\u1ee3c ph\u1ee5 thu\u1ed9c (Dependency Inversion Principle)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\">N\u1ed9i dung c\u1ee7a nguy\u00ean l\u00fd SOLID n\u00e0y n\u00f3i v\u1ec1 vi\u1ec7c c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee5 th\u1ec3 n\u00ean ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c th\u00e0nh ph\u1ea7n tr\u1eebu t\u01b0\u1ee3ng. L\u00fd do l\u00e0 v\u00ec nh\u1eefng th\u00e0nh ph\u1ea7n tr\u1eebu t\u01b0\u1ee3ng th\u01b0\u1eddng \u00edt b\u1ecb thay \u0111\u1ed5i. Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee5 th\u1ec3 tuy kh\u00e1c nhau nh\u01b0ng lu\u00f4n mang m\u1ed9t \u0111\u1eb7c t\u00ednh chung \u0111\u1ec3 c\u1ea5u th\u00e0nh th\u00e0nh ph\u1ea7n tr\u1eebu t\u01b0\u1ee3ng. Vi\u1ec7c gi\u1eef t\u00ednh ph\u1ee5 thu\u1ed9c n\u00e0y gi\u00fap ch\u01b0\u01a1ng tr\u00ecnh th\u00edch \u1ee9ng t\u1ed1t v\u1edbi c\u00e1c bi\u1ebfn \u0111\u1ed5i li\u00ean t\u1ee5c.<\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Ket_luan_ve_nguyen_ly_SOLID\"><\/span>K\u1ebft lu\u1eadn v\u1ec1 nguy\u00ean l\u00fd SOLID<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">V\u1edbi b\u00e0i gi\u1ea3i th\u00edch v\u1eeba r\u1ed3i c\u1ee7a Teky, h\u1eb3n b\u1ea1n \u0111\u1ecdc \u0111\u00e3 hi\u1ec3u r\u00f5 5 nguy\u00ean l\u00fd SOLID d\u00e0nh cho OOP. Tuy nhi\u00ean hi\u1ec3u l\u00e0 m\u1ed9t chuy\u1ec7n m\u00e0 v\u1eadn d\u1ee5ng nhu\u1ea7n nhuy\u1ec5n \u0111\u01b0\u1ee3c l\u1ea1i l\u00e0 chuy\u1ec7n kh\u00e1c. L\u1eddi khuy\u00ean c\u1ee7a ch\u00fang t\u00f4i l\u00e0 h\u00e3y ghi nh\u1edb th\u1eadt r\u00f5 r\u00e0ng v\u00e0 th\u01b0\u1eddng xuy\u00ean \u00e1p d\u1ee5ng c\u00e1c nguy\u00ean t\u1eafc n\u00e0y v\u00e0o trong c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n. Ch\u00fac b\u1ea1n s\u1edbm ng\u00e0y chinh ph\u1ee5c \u0111\u01b0\u1ee3c nh\u1eefng nguy\u00ean l\u00fd SOLID!<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Hoc_vien_cong_nghe_Teky_la_noi_hoc_lap_trinh_hang_dau_Viet_Nam\"><\/span><span style=\"font-size: 24px; color: #339966;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;C\u00f9ng T\u00ecm Hi\u1ec3u V\u1ec1 Teky H\u1ecdc Vi\u1ec7n 5 sao \u0110\u00e0o T\u1ea1o Tr\u1ebb Em H\u1ecdc L\u1eadp Tr\u00ecnh (4-18 tu\u1ed5i)&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:17153,&quot;3&quot;:{&quot;1&quot;:0},&quot;11&quot;:4,&quot;12&quot;:0,&quot;17&quot;:1}\">H\u1ecdc vi\u1ec7n c\u00f4ng ngh\u1ec7 Teky l\u00e0 n\u01a1i h\u1ecdc l\u1eadp tr\u00ecnh h\u00e0ng \u0111\u1ea7u Vi\u1ec7t Nam<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><iframe loading=\"lazy\" title=\"H\u1ecdc l\u1eadp tr\u00ecnh tr\u1ebb em \u1edf \u0111\u00e2u? - Gi\u1edbi thi\u1ec7u h\u1ecdc vi\u1ec7n c\u00f4ng ngh\u1ec7 TEKY h\u00e0ng \u0111\u1ea7u Vi\u1ec7t Nam\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/kGgr0XJAxFM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p><strong>TEKY l\u00e0 H\u1ecdc vi\u1ec7n s\u00e1ng t\u1ea1o c\u00f4ng ngh\u1ec7<\/strong> v\u1edbi ch\u01b0\u01a1ng tr\u00ecnh gi\u1ea3ng d\u1ea1y STEAM (Science \u2013 Technology \u2013 Engineering \u2013 Art \u2013 Mathematics) theo chu\u1ea9n M\u1ef9 \u0111\u1ea7u ti\u00ean t\u1ea1i Vi\u1ec7t Nam d\u00e0nh cho tr\u1ebb em t\u1eeb 4 \u0111\u1ebfn 18 tu\u1ed5i.<\/p>\n<p>\u0110\u01b0\u1ee3c th\u00e0nh l\u1eadp v\u00e0o th\u00e1ng 6 n\u0103m 2016, TEKY quy\u1ebft t\u00e2m th\u1ef1c hi\u1ec7n s\u1ee9 m\u1ec7nh mang \u0111\u1ebfn cho th\u1ebf h\u1ec7 tr\u1ebb Vi\u1ec7t Nam ki\u1ebfn th\u1ee9c to\u00e0n di\u1ec7n v\u1ec1 STEAM, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c t\u01b0 duy c\u00f4ng ngh\u1ec7, khoa h\u1ecdc m\u00e1y t\u00ednh v\u00e0 k\u1ef9 n\u0103ng th\u1ebf k\u1ef7 21 \u2013 4Cs (Critical Thinking: T\u01b0 duy ph\u1ea3n bi\u1ec7n \u2013 Communication: Giao ti\u1ebfp \u2013 Creativity: S\u00e1ng t\u1ea1o \u2013 Collaboration: L\u00e0m vi\u1ec7c nh\u00f3m).<\/p>\n<figure id=\"attachment_14828\" aria-describedby=\"caption-attachment-14828\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/teky.edu.vn\/?utm_source=Blog&amp;utm_medium=baiviet\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-14828 size-full\" src=\"https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2021\/03\/Trai-nghiem-hoc-lap-trinh-mien-phi.jpg\" alt=\"Tr\u1ea3i nghi\u1ec7m h\u1ecdc l\u1eadp tr\u00ecnh mi\u1ec5n ph\u00ed\" width=\"600\" height=\"400\" srcset=\"https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2021\/03\/Trai-nghiem-hoc-lap-trinh-mien-phi.jpg 600w, https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2021\/03\/Trai-nghiem-hoc-lap-trinh-mien-phi-400x267.jpg 400w, https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2021\/03\/Trai-nghiem-hoc-lap-trinh-mien-phi-272x182.jpg 272w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><figcaption id=\"caption-attachment-14828\" class=\"wp-caption-text\">Tr\u1ea3i nghi\u1ec7m h\u1ecdc l\u1eadp tr\u00ecnh mi\u1ec5n ph\u00ed<\/figcaption><\/figure>\n<h4><span class=\"ez-toc-section\" id=\"Day_la_chuong_trinh_khong_chi_trang_bi_kien_thuc_lap_trinh_ma_con_ren_luyen_nhom_ky_nang_4Cs_Tre_se_duoc\"><\/span>\u0110\u00e2y l\u00e0 ch\u01b0\u01a1ng tr\u00ecnh kh\u00f4ng ch\u1ec9 trang b\u1ecb ki\u1ebfn th\u1ee9c l\u1eadp tr\u00ecnh m\u00e0 c\u00f2n r\u00e8n luy\u1ec7n nh\u00f3m k\u1ef9 n\u0103ng 4Cs. Tr\u1ebb s\u1ebd \u0111\u01b0\u1ee3c:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>\u00a0H\u1ecdc t\u01b0 duy ph\u1ea3n bi\u1ec7n th\u00f4ng qua vi\u1ec7c ph\u00e2n t\u00edch c\u00e1c v\u1ea5n \u0111\u1ec1.<\/li>\n<li>\u00a0H\u1ecdc t\u00ednh s\u00e1ng t\u1ea1o t\u01b0 duy Logic th\u00f4ng qua vi\u1ec7c l\u1eafp \u0111\u1eb7t v\u00e0 l\u1eadp tr\u00ecnh robot th \u00f4ng qua c\u00e1c m\u00f4 h\u00ecnh Lego Mindstorm, app tr\u00f2 ch\u01a1i. Gi\u00fap con h\u1ecdc gi\u1ecfi m\u00f4n To\u00e1n tr\u00ean l\u1edbp<\/li>\n<li>\u00a0K\u1ef9 n\u0103ng h\u1ee3p t\u00e1c th\u00f4ng qua c\u00e1c tr\u00f2 ch\u01a1i team-building, c\u00e1c d\u1ef1 \u00e1n nh\u00f3m tr\u00ean l\u1edbp.<\/li>\n<li>\u00a0Ph\u00e1t huy kh\u1ea3 n\u0103ng giao ti\u1ebfp hi\u1ec7u qu\u1ea3 b\u1eb1ng nhi\u1ec1u b\u00e0i t\u1eadp v\u00e0 ho\u1ea1t \u0111\u1ed9ng h\u1ea5p d\u1eabn.<\/li>\n<\/ul>\n<p><iframe loading=\"lazy\" title=\"Shark Nguy\u1ec5n Ho\u00e0 B\u00ecnh \u0111\u1ed3ng h\u00e0nh c\u00f9ng con h\u1ecdc l\u1eadp tr\u00ecnh t\u1ea1i h\u1ecdc vi\u1ec7n c\u00f4ng ngh\u1ec7 Teky h\u00e0ng \u0111\u1ea7u Vi\u1ec7t Nam\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/q6QbqIs6ll8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>C\u00e1c b\u1ed9 m\u00f4n gi\u1ea3ng d\u1ea1y t\u1ea1i Teky g\u1ed3m: <span style=\"font-weight: 400;\">L\u1eadp tr\u00ecnh v\u00e0 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">l\u1eadp tr\u00ecnh game<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">l\u1eadp tr\u00ecnh web v\u1edbi python<\/span> <span style=\"font-weight: 400;\">\u00a0<\/span><span style=\"font-weight: 400;\">L\u1eadp tr\u00ecnh Scratch<\/span> <span style=\"font-weight: 400;\">Robotics<\/span> Engineering, C\u00f4ng ngh\u1ec7 3D v\u00e0 MultiMedia. Ch\u00fang t\u00f4i tin r\u1eb1ng tr\u1ebb em Vi\u1ec7t Nam c\u00f3 c\u01a1 h\u1ed9i ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd trong m\u1ed9t n\u1ec1n kinh t\u1ebf s\u1ed1 v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c trang b\u1ecb s\u1eb5n s\u00e0ng \u0111\u1ec3 tr\u1edf th\u00e0nh nh\u1eefng doanh nh\u00e2n c\u00f4ng ngh\u1ec7 trong t\u01b0\u01a1ng lai.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Lien_he_ngay_hoc_vien_cong_nghe_sang_tao_TEKY_de_duoc_tu_van_khoa_hoc\"><\/span><span style=\"color: #008000;\"><b>Li\u00ean h\u1ec7 ngay h\u1ecdc vi\u1ec7n c\u00f4ng ngh\u1ec7 s\u00e1ng t\u1ea1o TEKY \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n kh\u00f3a h\u1ecdc:<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cam k\u00eat 7 tu\u1ed5i c\u00f3 th\u1ec3 l\u1eadp tr\u00ecnh<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Top 10 d\u1ef1 \u00e1n gi\u00e1o d\u1ee5c c\u00f3 t\u1ea7m \u1ea3nh h\u01b0\u1edfng nh\u1ea5t \u0110\u00f4ng Nam \u00c1 2017 &amp; 2018<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Top 3 D\u1ef1 \u00e1n xu\u1ea5t s\u1eafc nh\u1ea5t, NextGen \u2013 Th\u1ee5y S\u0129<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00a0Hotline H\u00e0 N\u1ed9i: 024-7109-6668 | 0975-241-015<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00a0Hotline H\u1ed3 Ch\u00ed Minh: 028-7109 9948 | 097-900-8642<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Website <\/span><a href=\"https:\/\/teky.edu.vn\/\"><span style=\"font-weight: 400;\">https:\/\/teky.edu.vn<\/span><\/a><span style=\"font-weight: 400;\"> | Email: support@teky.edu.vn |<\/span><\/p>\n<p style=\"text-align: justify;\">\n","protected":false},"excerpt":{"rendered":"<p>N\u1ebfu b\u1ea1n l\u00e0 m\u1ed9t nh\u00e0 l\u1eadp tr\u00ecnh vi\u00ean ho\u1eb7c b\u1ea1n \u0111ang c\u00f4ng t\u00e1c trong ng\u00e0nh l\u1eadp tr\u00ecnh th\u00ec h\u1eb3n s\u1ebd c\u00f3 \u00edt nh\u1ea5t m\u1ed9t l\u1ea7n nghe \u0111\u1ebfn c\u1ee5m t\u1eeb nguy\u00ean l\u00fd SOLID. L\u1eadp tr\u00ecnh c\u0169ng nh\u01b0 b\u1ea5t k\u1ef3 c\u00f4ng vi\u1ec7c n\u00e0o kh\u00e1c, c\u0169ng s\u1ebd c\u00f3 c\u00e1c nguy\u00ean t\u1eafc th\u1ef1c hi\u1ec7n \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u &hellip;<\/p>\n","protected":false},"author":10,"featured_media":9067,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28],"tags":[],"class_list":["post-9065","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lap-trinh"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.9 (Yoast SEO v26.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Nguy\u00ean l\u00fd SOLID l\u00e0 g\u00ec? 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