{"id":2844,"date":"2024-11-10T13:57:57","date_gmt":"2024-11-10T06:57:57","guid":{"rendered":"https:\/\/fstack.io.vn\/?p=2844"},"modified":"2024-11-10T14:05:04","modified_gmt":"2024-11-10T07:05:04","slug":"lap-trinh-huong-doi-tuong-la-gi-4-tinh-chat-cua-oop-ma-ban-nen-biet","status":"publish","type":"post","link":"https:\/\/fstack.io.vn\/blog\/lap-trinh-huong-doi-tuong-la-gi-4-tinh-chat-cua-oop-ma-ban-nen-biet\/","title":{"rendered":"L\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 g\u00ec? 4 t\u00ednh ch\u1ea5t c\u1ee7a OOP m\u00e0 b\u1ea1n n\u00ean bi\u1ebft."},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"2844\" class=\"elementor elementor-2844\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3173318 e-flex e-con-boxed e-con e-parent\" data-id=\"3173318\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-948ea9f elementor-widget elementor-widget-text-editor\" data-id=\"948ea9f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong><a href=\"https:\/\/fstack.io.vn\/blog\/lap-trinh-la-gi-mot-so-dac-diem-cua-lap-trinh-ma-ban-nen-biet\/\">L\u1eadp tr\u00ecnh<\/a> h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng (<a href=\"https:\/\/fstack.io.vn\/blog\/lap-trinh-huong-doi-tuong-la-gi-mot-so-dac-trung-cua-oop\/\">OOP<\/a> &#8211; Object-Oriented Programming)<\/strong> l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p l\u1eadp tr\u00ecnh trong \u0111\u00f3 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng, thay v\u00ec ch\u1ec9 l\u00e0 c\u00e1c thao t\u00e1c ho\u1eb7c ch\u1ee9c n\u0103ng, \u0111\u00f3ng vai tr\u00f2 l\u00e0 th\u00e0nh ph\u1ea7n trung t\u00e2m. M\u1ed7i \u0111\u1ed1i t\u01b0\u1ee3ng trong OOP \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t th\u1ef1c th\u1ec3 c\u00f3 tr\u1ea1ng th\u00e1i v\u00e0 h\u00e0nh vi ri\u00eang, \u0111\u1ea1i di\u1ec7n cho m\u1ed9t kh\u00e1i ni\u1ec7m ho\u1eb7c \u0111\u1ed1i t\u01b0\u1ee3ng trong th\u1ebf gi\u1edbi th\u1ef1c.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-82f6956 elementor-widget elementor-widget-text-editor\" data-id=\"82f6956\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>OOP gi\u00fap m\u00e3 ngu\u1ed3n r\u00f5 r\u00e0ng, d\u1ec5 hi\u1ec3u v\u00e0 d\u1ec5 qu\u1ea3n l\u00fd h\u01a1n nh\u1edd vi\u1ec7c ph\u00e2n chia ch\u01b0\u01a1ng tr\u00ecnh th\u00e0nh c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u1ed9c l\u1eadp, m\u1ed7i \u0111\u1ed1i t\u01b0\u1ee3ng ch\u1ecbu tr\u00e1ch nhi\u1ec7m cho m\u1ed9t ph\u1ea7n c\u1ee5 th\u1ec3 trong \u1ee9ng d\u1ee5ng.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-24e4310 elementor-widget elementor-widget-heading\" data-id=\"24e4310\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 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\">Danh m\u1ee5c 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:\/\/fstack.io.vn\/blog\/lap-trinh-huong-doi-tuong-la-gi-4-tinh-chat-cua-oop-ma-ban-nen-biet\/#Cac_Khai_Niem_Quan_Trong_trong_Lap_Trinh_Huong_Doi_Tuong\" >C\u00e1c Kh\u00e1i Ni\u1ec7m Quan Tr\u1ecdng trong L\u1eadp Tr\u00ecnh H\u01b0\u1edbng \u0110\u1ed1i T\u01b0\u1ee3ng<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/fstack.io.vn\/blog\/lap-trinh-huong-doi-tuong-la-gi-4-tinh-chat-cua-oop-ma-ban-nen-biet\/#Tinh_Dong_Goi_Encapsulation\" >T\u00ednh \u0110\u00f3ng G\u00f3i (Encapsulation)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/fstack.io.vn\/blog\/lap-trinh-huong-doi-tuong-la-gi-4-tinh-chat-cua-oop-ma-ban-nen-biet\/#Tinh_Ke_Thua_Inheritance\" >T\u00ednh K\u1ebf Th\u1eeba (Inheritance)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/fstack.io.vn\/blog\/lap-trinh-huong-doi-tuong-la-gi-4-tinh-chat-cua-oop-ma-ban-nen-biet\/#Tinh_Da_Hinh_Polymorphism\" >T\u00ednh \u0110a H\u00ecnh (Polymorphism)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/fstack.io.vn\/blog\/lap-trinh-huong-doi-tuong-la-gi-4-tinh-chat-cua-oop-ma-ban-nen-biet\/#Tinh_Truu_Tuong_Abstraction\" >T\u00ednh Tr\u1eebu T\u01b0\u1ee3ng (Abstraction)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/fstack.io.vn\/blog\/lap-trinh-huong-doi-tuong-la-gi-4-tinh-chat-cua-oop-ma-ban-nen-biet\/#Vi_Du_ve_Lap_Trinh_Huong_Doi_Tuong\" >V\u00ed D\u1ee5 v\u1ec1 L\u1eadp Tr\u00ecnh H\u01b0\u1edbng \u0110\u1ed1i T\u01b0\u1ee3ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/fstack.io.vn\/blog\/lap-trinh-huong-doi-tuong-la-gi-4-tinh-chat-cua-oop-ma-ban-nen-biet\/#Loi_Ich_cua_Lap_Trinh_Huong_Doi_Tuong\" >L\u1ee3i \u00cdch c\u1ee7a L\u1eadp Tr\u00ecnh H\u01b0\u1edbng \u0110\u1ed1i T\u01b0\u1ee3ng<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Cac_Khai_Niem_Quan_Trong_trong_Lap_Trinh_Huong_Doi_Tuong\"><\/span>C\u00e1c Kh\u00e1i Ni\u1ec7m Quan Tr\u1ecdng trong L\u1eadp Tr\u00ecnh H\u01b0\u1edbng \u0110\u1ed1i T\u01b0\u1ee3ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4712b0d elementor-widget elementor-widget-text-editor\" data-id=\"4712b0d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>OOP c\u00f3 b\u1ed1n \u0111\u1eb7c tr\u01b0ng c\u01a1 b\u1ea3n, bao g\u1ed3m<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e9d51fb elementor-widget elementor-widget-heading\" data-id=\"e9d51fb\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Tinh_Dong_Goi_Encapsulation\"><\/span>T\u00ednh \u0110\u00f3ng G\u00f3i (Encapsulation)<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-583ac2c elementor-widget elementor-widget-text-editor\" data-id=\"583ac2c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><strong>\u0110\u00f3ng g\u00f3i<\/strong> l\u00e0 qu\u00e1 tr\u00ecnh g\u00f3i g\u1ecdn d\u1eef li\u1ec7u v\u00e0 c\u00e1c ph\u01b0\u01a1ng th\u1ee9c thao t\u00e1c d\u1eef li\u1ec7u v\u00e0o trong m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng, ch\u1ec9 cho ph\u00e9p truy c\u1eadp c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea7n thi\u1ebft.<\/li><li>Th\u00f4ng qua \u0111\u00f3ng g\u00f3i, b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t quy\u1ec1n truy c\u1eadp v\u00e0 s\u1eeda \u0111\u1ed5i d\u1eef li\u1ec7u, ch\u1ec9 cho ph\u00e9p truy c\u1eadp c\u00e1c ph\u01b0\u01a1ng th\u1ee9c c\u00f4ng khai (public), trong khi \u1ea9n c\u00e1c th\u00e0nh ph\u1ea7n ri\u00eang t\u01b0 (private).<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5e43a0a elementor-widget elementor-widget-heading\" data-id=\"5e43a0a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Tinh_Ke_Thua_Inheritance\"><\/span>T\u00ednh K\u1ebf Th\u1eeba (Inheritance)<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5691016 elementor-widget elementor-widget-text-editor\" data-id=\"5691016\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><strong>K\u1ebf th\u1eeba<\/strong> l\u00e0 kh\u1ea3 n\u0103ng m\u1ed9t l\u1edbp (class) con k\u1ebf th\u1eeba thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c t\u1eeb m\u1ed9t l\u1edbp cha. L\u1edbp con c\u00f3 th\u1ec3 th\u00eam ho\u1eb7c ghi \u0111\u00e8 c\u00e1c ph\u01b0\u01a1ng th\u1ee9c c\u1ee7a l\u1edbp cha.<\/li><li>K\u1ebf th\u1eeba gi\u00fap t\u00e1i s\u1eed d\u1ee5ng m\u00e3, gi\u00fap gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng m\u00e3 c\u1ea7n vi\u1ebft v\u00e0 d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng ch\u01b0\u01a1ng tr\u00ecnh.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-35682c9 elementor-widget elementor-widget-heading\" data-id=\"35682c9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Tinh_Da_Hinh_Polymorphism\"><\/span>T\u00ednh \u0110a H\u00ecnh (Polymorphism)<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-76313fc elementor-widget elementor-widget-text-editor\" data-id=\"76313fc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><strong>\u0110a h\u00ecnh<\/strong> cho ph\u00e9p c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c nhau th\u1ef1c hi\u1ec7n c\u00f9ng m\u1ed9t ph\u01b0\u01a1ng th\u1ee9c theo c\u00e1c c\u00e1ch kh\u00e1c nhau.<\/li><li>Trong \u0111a h\u00ecnh, m\u1ed9t l\u1edbp con c\u00f3 th\u1ec3 ghi \u0111\u00e8 (override) ph\u01b0\u01a1ng th\u1ee9c c\u1ee7a l\u1edbp cha \u0111\u1ec3 c\u00f3 h\u00e0nh vi ri\u00eang, nh\u01b0ng c\u00f9ng s\u1eed d\u1ee5ng chung t\u00ean ph\u01b0\u01a1ng th\u1ee9c.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e8b23d1 elementor-widget elementor-widget-heading\" data-id=\"e8b23d1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Tinh_Truu_Tuong_Abstraction\"><\/span>T\u00ednh Tr\u1eebu T\u01b0\u1ee3ng (Abstraction)<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9a6929b elementor-widget elementor-widget-text-editor\" data-id=\"9a6929b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><strong>Tr\u1eebu t\u01b0\u1ee3ng h\u00f3a<\/strong> l\u00e0 vi\u1ec7c ch\u1ec9 hi\u1ec3n th\u1ecb c\u00e1c chi ti\u1ebft quan tr\u1ecdng c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 \u1ea9n \u0111i nh\u1eefng chi ti\u1ebft kh\u00f4ng c\u1ea7n thi\u1ebft.<\/li><li>Tr\u1eebu t\u01b0\u1ee3ng gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng ph\u1ee9c t\u1ea1p b\u1eb1ng c\u00e1ch ch\u1ec9 t\u1eadp trung v\u00e0o c\u00e1c thu\u1ed9c t\u00ednh v\u00e0 h\u00e0nh vi quan tr\u1ecdng.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f483e10 elementor-widget elementor-widget-heading\" data-id=\"f483e10\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Vi_Du_ve_Lap_Trinh_Huong_Doi_Tuong\"><\/span>V\u00ed D\u1ee5 v\u1ec1 L\u1eadp Tr\u00ecnh H\u01b0\u1edbng \u0110\u1ed1i T\u01b0\u1ee3ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6b63d90 elementor-widget elementor-widget-text-editor\" data-id=\"6b63d90\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>V\u00ed d\u1ee5 v\u1ec1 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng <strong>Xe h\u01a1i<\/strong> v\u1edbi c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bcce9da elementor-widget elementor-widget-code-highlight\" data-id=\"bcce9da\" data-element_type=\"widget\" data-widget_type=\"code-highlight.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"prismjs-okaidia copy-to-clipboard \">\n\t\t\t<pre data-line=\"\" class=\"highlight-height language-javascript line-numbers\">\n\t\t\t\t<code readonly=\"true\" class=\"language-javascript\">\n\t\t\t\t\t<xmp>class Car {\n    constructor(brand, model, color) {\n        this.brand = brand;     \/\/ H\u00e3ng xe\n        this.model = model;     \/\/ M\u1eabu xe\n        this.color = color;     \/\/ M\u00e0u xe\n    }\n    \n    drive() {\n        console.log(`${this.brand} ${this.model} is driving.`);\n    }\n\n    honk() {\n        console.log(\"Beep! Beep!\");\n    }\n}\n\n\/\/ S\u1eed d\u1ee5ng\nconst myCar = new Car(\"Toyota\", \"Corolla\", \"Red\");\nmyCar.drive();  \/\/ Output: Toyota Corolla is driving.\nmyCar.honk();   \/\/ Output: Beep! Beep!\n<\/xmp>\n\t\t\t\t<\/code>\n\t\t\t<\/pre>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e1047ab elementor-widget elementor-widget-text-editor\" data-id=\"e1047ab\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Trong v\u00ed d\u1ee5 n\u00e0y:<\/p><ul><li><strong>\u0110\u00f3ng g\u00f3i<\/strong>: C\u00e1c thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c c\u1ee7a xe \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i trong \u0111\u1ed1i t\u01b0\u1ee3ng <code>Car<\/code>.<\/li><li><strong>K\u1ebf th\u1eeba<\/strong> (n\u1ebfu t\u1ea1o l\u1edbp con): N\u1ebfu c\u00f3 m\u1ed9t l\u1edbp con nh\u01b0 <code>ElectricCar<\/code> k\u1ebf th\u1eeba t\u1eeb <code>Car<\/code>, n\u00f3 c\u00f3 th\u1ec3 th\u1eeba h\u01b0\u1edfng c\u00e1c ph\u01b0\u01a1ng th\u1ee9c c\u1ee7a <code>Car<\/code>.<\/li><li><strong>\u0110a h\u00ecnh<\/strong>: L\u1edbp <code>ElectricCar<\/code> c\u00f3 th\u1ec3 ghi \u0111\u00e8 ph\u01b0\u01a1ng th\u1ee9c <code>drive()<\/code> \u0111\u1ec3 c\u00f3 h\u00e0nh vi kh\u00e1c bi\u1ec7t.<\/li><li><strong>Tr\u1eebu t\u01b0\u1ee3ng<\/strong>: L\u1edbp <code>Car<\/code> ch\u1ec9 t\u1eadp trung v\u00e0o c\u00e1c thu\u1ed9c t\u00ednh v\u00e0 h\u00e0nh vi ch\u00ednh, kh\u00f4ng \u0111i v\u00e0o chi ti\u1ebft b\u00ean trong c\u1ee7a c\u00e1ch m\u00e0 xe ch\u1ea1y.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0052332 elementor-widget elementor-widget-heading\" data-id=\"0052332\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Loi_Ich_cua_Lap_Trinh_Huong_Doi_Tuong\"><\/span>L\u1ee3i \u00cdch c\u1ee7a L\u1eadp Tr\u00ecnh H\u01b0\u1edbng \u0110\u1ed1i T\u01b0\u1ee3ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c46b19 elementor-widget elementor-widget-text-editor\" data-id=\"1c46b19\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><strong>D\u1ec5 b\u1ea3o tr\u00ec v\u00e0 m\u1edf r\u1ed9ng<\/strong>: C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i gi\u00fap qu\u1ea3n l\u00fd v\u00e0 b\u1ea3o tr\u00ec m\u00e3 d\u1ec5 d\u00e0ng h\u01a1n.<\/li><li><strong>T\u00e1i s\u1eed d\u1ee5ng m\u00e3<\/strong>: K\u1ebf th\u1eeba cho ph\u00e9p d\u00f9ng l\u1ea1i m\u00e3 v\u00e0 gi\u1ea3m thi\u1ec3u vi\u1ebft l\u1ea1i m\u00e3.<\/li><li><strong>Gi\u1ea3m \u0111\u1ed9 ph\u1ee9c t\u1ea1p<\/strong>: Tr\u1eebu t\u01b0\u1ee3ng h\u00f3a gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a c\u00e1c chi ti\u1ebft ph\u1ee9c t\u1ea1p.<\/li><li><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/strong>: OOP d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng v\u00e0 th\u00eam c\u00e1c t\u00ednh n\u0103ng m\u1edbi m\u00e0 kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn <a href=\"https:\/\/fstack.io.vn\/blog\/4-cau-truc-du-lieu-va-giai-thuat-la-gi\/\">c\u1ea5u tr\u00fac<\/a> hi\u1ec7n t\u1ea1i.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53ce9fd elementor-widget elementor-widget-text-editor\" data-id=\"53ce9fd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>L\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p t\u1ed5 ch\u1ee9c m\u00e3 hi\u1ec7u qu\u1ea3 v\u00e0 r\u1ea5t h\u1eefu \u00edch khi x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ee9c t\u1ea1p, gi\u00fap ph\u00e1t tri\u1ec3n v\u00e0 b\u1ea3o tr\u00ec d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d64dc1b elementor-widget elementor-widget-text-editor\" data-id=\"d64dc1b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Ngu\u1ed3n Video <a href=\"https:\/\/www.youtube.com\/watch?v=HhuqGuPFPUE\" rel=\"nofollow noopener\" target=\"_blank\">V\u1ec1 H\u01b0\u1edbng \u0110\u1ed1i T\u01b0\u1ee3ng<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>L\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng (OOP &#8211; Object-Oriented Programming) l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p l\u1eadp tr\u00ecnh trong \u0111\u00f3 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng, thay v\u00ec ch\u1ec9 l\u00e0 c\u00e1c thao t\u00e1c ho\u1eb7c ch\u1ee9c n\u0103ng, \u0111\u00f3ng vai tr\u00f2 l\u00e0 th\u00e0nh ph\u1ea7n trung t\u00e2m. M\u1ed7i \u0111\u1ed1i t\u01b0\u1ee3ng trong OOP \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t th\u1ef1c th\u1ec3 c\u00f3 tr\u1ea1ng th\u00e1i v\u00e0 h\u00e0nh vi [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2845,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[64],"class_list":["post-2844","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghe","tag-oop"],"acf":[],"jetpack_featured_media_url":"https:\/\/fstack.io.vn\/blog\/wp-content\/uploads\/2024\/11\/oop-1.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/fstack.io.vn\/blog\/wp-json\/wp\/v2\/posts\/2844","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fstack.io.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fstack.io.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fstack.io.vn\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fstack.io.vn\/blog\/wp-json\/wp\/v2\/comments?post=2844"}],"version-history":[{"count":7,"href":"https:\/\/fstack.io.vn\/blog\/wp-json\/wp\/v2\/posts\/2844\/revisions"}],"predecessor-version":[{"id":2852,"href":"https:\/\/fstack.io.vn\/blog\/wp-json\/wp\/v2\/posts\/2844\/revisions\/2852"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fstack.io.vn\/blog\/wp-json\/wp\/v2\/media\/2845"}],"wp:attachment":[{"href":"https:\/\/fstack.io.vn\/blog\/wp-json\/wp\/v2\/media?parent=2844"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fstack.io.vn\/blog\/wp-json\/wp\/v2\/categories?post=2844"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fstack.io.vn\/blog\/wp-json\/wp\/v2\/tags?post=2844"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}