{"id":1869,"date":"2022-05-10T08:44:17","date_gmt":"2022-05-10T08:44:17","guid":{"rendered":"https:\/\/topviecit.vn\/blog\/?p=1869"},"modified":"2023-01-05T10:12:55","modified_gmt":"2023-01-05T10:12:55","slug":"lap-trinh-huong-doi-tuong","status":"publish","type":"post","link":"https:\/\/topviecit.vn\/blog\/lap-trinh-huong-doi-tuong\/","title":{"rendered":"OOP l\u00e0 g\u00ec? To\u00e0n b\u1ed9 th\u00f4ng tin v\u1ec1 l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng"},"content":{"rendered":"\n<p><strong><a href=\"https:\/\/topviecit.vn\/blog\/lap-trinh-huong-doi-tuong\/\" target=\"_blank\" rel=\"noreferrer noopener\">L\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng<\/a><\/strong> l\u00e0 kh\u00e1i ni\u1ec7m h\u1ebft s\u1ee9c quen thu\u1ed9c v\u1edbi c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean. \u0110\u00e2y c\u0169ng l\u00e0 k\u1ef9 thu\u1eadt l\u1eadp tr\u00ecnh th\u00f4ng d\u1ee5ng v\u00e0 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng nhi\u1ec1u nh\u1ea5t hi\u1ec7n nay. V\u1eady c\u1ee5 th\u1ec3 l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng OOP l\u00e0 g\u00ec? Sau \u0111\u00e2y <strong><a href=\"https:\/\/topviecit.vn\/\" target=\"_blank\" rel=\"noreferrer noopener\">topviecit.vn<\/a><\/strong> s\u1ebd chia s\u1ebb to\u00e0n b\u1ed9 th\u00f4ng tin b\u1ea1n c\u1ea7n n\u1eafm v\u1ec1 k\u1ef9 thu\u1eadt quan tr\u1ecdng n\u00e0y.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>L\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 g\u00ec?&nbsp;<\/strong><\/h2>\n\n\n\n<p>L\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng hay OOP (vi\u1ebft t\u1eaft c\u1ee7a c\u1ee5m t\u1eeb Object Oriented Programming) l\u00e0 k\u1ef9 thu\u1eadt l\u1eadp tr\u00ecnh d\u1ef1a tr\u00ean l\u1edbp v\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng. C\u1ee5 th\u1ec3, l\u1eadp tr\u00ecnh vi\u00ean s\u1ebd m\u00e3 h\u00f3a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng (object) d\u1ef1a tr\u00ean c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng th\u1ef1c t\u1ebf trong cu\u1ed9c s\u1ed1ng.&nbsp;<\/p>\n\n\n\n<p>C\u1ed1t l\u00f5i c\u1ee7a ph\u01b0\u01a1ng th\u1ee9c OOP l\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng. OOP gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 b\u1eb1ng c\u00e1ch quan s\u00e1t k\u1ebft h\u1ee3p v\u1edbi t\u01b0\u1edfng t\u01b0\u1ee3ng nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m, h\u00e0nh \u0111\u1ed9ng c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng th\u1ef1c t\u1ebf v\u00e0 m\u00e3 h\u00f3a ch\u00fang th\u00e0nh \u0111\u1ed1i t\u01b0\u1ee3ng \u1ea3o trong l\u1eadp tr\u00ecnh.\u00a0<\/p>\n\n\n<div class=\"wp-block-image is-style-default\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/image-22.jpeg\" alt=\"L\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 k\u1ef9 thu\u1eadt m\u00e3 h\u00f3a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng (object) d\u1ef1a tr\u00ean c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng th\u1ef1c t\u1ebf trong cu\u1ed9c s\u1ed1ng\" class=\"wp-image-1885\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/image-22.jpeg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/image-22-640x400.jpeg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/image-22-768x480.jpeg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>L\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 k\u1ef9 thu\u1eadt m\u00e3 h\u00f3a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng (object) d\u1ef1a tr\u00ean c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng th\u1ef1c t\u1ebf trong cu\u1ed9c s\u1ed1ng<\/em><\/figcaption><\/figure><\/div>\n\n\n<p>V\u00ed d\u1ee5 v\u1edbi \u0111\u1ed1i t\u01b0\u1ee3ng m\u00e1y t\u00ednh, khi \u00e1p d\u1ee5ng ph\u01b0\u01a1ng th\u1ee9c OOP, l\u1eadp tr\u00ecnh vi\u00ean s\u1ebd th\u1ef1c hi\u1ec7n theo chu tr\u00ecnh sau:<\/p>\n\n\n\n<p>M\u00e1y t\u00ednh (\u0111\u1eddi th\u1ef1c) =&gt; L\u1edbp m\u00e1y t\u00ednh (l\u1eadp tr\u00ecnh) =&gt; \u0110\u1ed1i t\u01b0\u1ee3ng m\u00e1y t\u00ednh (l\u1eadp tr\u00ecnh)<\/p>\n\n\n\n<p>Trong \u0111\u00f3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u00e1y t\u00ednh (\u0111\u1eddi th\u1ef1c) c\u00f3 m\u00e0u, t\u00ean, ram, cpu,&#8230;<\/li>\n\n\n\n<li>L\u1edbp m\u00e1y t\u00ednh (l\u1eadp tr\u00ecnh) s\u1ebd c\u00f3 bi\u1ebfn m\u00e0u, bi\u1ebfn t\u00ean, bi\u1ebfn ram, bi\u1ebfn cpu,&#8230;<\/li>\n\n\n\n<li>\u0110\u1ed1i t\u01b0\u1ee3ng m\u00e1y t\u00ednh (l\u1eadp tr\u00ecnh) s\u1ebd c\u00f3 m\u00e0u, t\u00ean, ram, cpu,&#8230;<\/li>\n<\/ul>\n\n\n\n<p>Hi\u1ec7n nay, l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c nhi\u1ec1u l\u1eadp tr\u00ecnh vi\u00ean s\u1eed d\u1ee5ng v\u00e0 c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong ng\u00e0nh l\u1eadp tr\u00ecnh. C\u00e1c lo\u1ea1i ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh th\u00f4ng d\u1ee5ng hi\u1ec7n nay nh\u01b0 Python, Java, Ruby,&#8230; c\u0169ng \u0111\u1ec1u c\u00f3 c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 cho OOP. Ch\u00ednh v\u00ec v\u1eady d\u00f9 l\u00e0 l\u1eadp tr\u00ecnh vi\u00ean l\u00e2u n\u0103m hay m\u1edbi v\u00e0o ngh\u1ec1 th\u00ec b\u1ea1n c\u0169ng n\u00ean luy\u1ec7n t\u1eadp s\u1eed d\u1ee5ng th\u00e0nh th\u1ea1o k\u1ef9 thu\u1eadt l\u1eadp tr\u00ecnh n\u00e0y.<\/p>\n\n\n\n<p><strong>T\u00ecm hi\u1ec3u th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/ngon-ngu-may-tinh-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ng\u00f4n Ng\u1eef M\u00e1y T\u00ednh L\u00e0 G\u00ec? \u1ee8ng D\u1ee5ng Nh\u01b0 Th\u1ebf N\u00e0o?<\/a><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u0110\u1ed1i t\u01b0\u1ee3ng v\u00e0 l\u1edbp trong OOP&nbsp;<\/strong><\/h2>\n\n\n\n<p>D\u1ef1a theo kh\u00e1i ni\u1ec7m tr\u00ean, hai y\u1ebfu t\u1ed1 quan tr\u1ecdng v\u1edbi ph\u01b0\u01a1ng th\u1ee9c OOP l\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 l\u1edbp. V\u00ec v\u1eady \u0111\u1ec3 hi\u1ec3u h\u01a1n v\u1ec1 l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng, b\u1ea1n c\u1ea7n n\u1eafm r\u00f5 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a 2 y\u1ebfu t\u1ed1 tr\u00ean. C\u1ee5 th\u1ec3:<\/p>\n\n\n\n<p><strong>\u0110\u1ed1i t\u01b0\u1ee3ng<\/strong><\/p>\n\n\n\n<p>Hai \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ea7n ch\u00fa \u00fd c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 ph\u01b0\u01a1ng th\u1ee9c v\u00e0 thu\u1ed9c t\u00ednh. Trong \u0111\u00f3, ph\u01b0\u01a1ng th\u1ee9c l\u00e0 nh\u1eefng thao t\u00e1c, ho\u1ea1t \u0111\u1ed9ng, c\u00f4ng vi\u1ec7c m\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n. C\u00f2n thu\u1ed9c t\u00ednh l\u00e0 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m, th\u00f4ng tin s\u1eb5n c\u00f3 c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5 v\u1edbi \u0111\u1ed1i t\u01b0\u1ee3ng \u0111i\u1ec7n tho\u1ea1i s\u1ebd c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ph\u01b0\u01a1ng th\u1ee9c: g\u1ecdi \u0111i\u1ec7n, ch\u1ee5p h\u00ecnh, nh\u1eafn tin,&#8230;<\/li>\n\n\n\n<li>Thu\u1ed9c t\u00ednh: m\u00e0u s\u1eafc, k\u00edch th\u01b0\u1edbc, h\u1ec7 \u0111i\u1ec1u h\u00e0nh, gi\u00e1 c\u1ea3, ch\u01a1i game&#8230;<\/li>\n<\/ul>\n\n\n\n<p><strong>L\u1edbp<\/strong><\/p>\n\n\n\n<p>L\u1edbp l\u00e0 t\u1eadp h\u1ee3p c\u1ee7a nh\u1eefng \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 c\u0169ng \u0111\u1eb7c \u0111i\u1ec3m, th\u00f4ng tin t\u01b0\u01a1ng t\u1ef1 nh\u01b0 nhau. L\u1edbp c\u0169ng c\u00f3 hai \u0111\u1eb7c \u0111i\u1ec3m t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 ph\u01b0\u01a1ng th\u1ee9c v\u00e0 thu\u1ed9c t\u00ednh.&nbsp;<\/p>\n\n\n\n<p>V\u00ed d\u1ee5 v\u1edbi l\u1edbp \u0111i\u1ec7n tho\u1ea1i s\u1ebd c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ph\u01b0\u01a1ng th\u1ee9c: g\u1ecdi \u0111i\u1ec7n, ch\u1ee5p h\u00ecnh, nh\u1eafn tin,&#8230;<\/li>\n\n\n\n<li>Thu\u1ed9c t\u00ednh: m\u00e0u s\u1eafc, k\u00edch th\u01b0\u1edbc, h\u1ec7 \u0111i\u1ec1u h\u00e0nh, gi\u00e1 c\u1ea3, ch\u01a1i game&#8230;<\/li>\n<\/ul>\n\n\n\n<p>V\u00e0 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng trong l\u1edbp \u0111i\u1ec7n tho\u1ea1i c\u00f3 th\u1ec3 l\u00e0 Samsung, iPhone, Xiaomi,&#8230; Ch\u00fang c\u0169ng c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m ph\u01b0\u01a1ng th\u1ee9c, thu\u1ed9c t\u00ednh t\u01b0\u01a1ng t\u1ef1 nhau v\u00e0 c\u00f9ng thu\u1ed9c m\u1ed9t l\u1edbp \u0111i\u1ec7n tho\u1ea1i.<\/p>\n\n\n<div class=\"wp-block-image is-style-default\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/image-23.jpeg\" alt=\"L\u1edbp v\u00e0 \u0110\u1ed1i t\u01b0\u1ee3ng l\u00e0 2 y\u1ebfu t\u1ed1 quan tr\u1ecdng trong l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng\" class=\"wp-image-1886\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/image-23.jpeg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/image-23-640x400.jpeg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/image-23-768x480.jpeg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>L\u1edbp v\u00e0 \u0110\u1ed1i t\u01b0\u1ee3ng l\u00e0 2 y\u1ebfu t\u1ed1 quan tr\u1ecdng trong l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng<\/em><\/figcaption><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\"><strong>4 nguy\u00ean l\u00fd c\u01a1 b\u1ea3n c\u1ee7a OOP<\/strong><\/h2>\n\n\n\n<p>\u0110\u1ec3 v\u1eadn d\u1ee5ng t\u1ed1t ph\u01b0\u01a1ng th\u1ee9c l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng, b\u1ea1n c\u1ea7n hi\u1ec3u r\u00f5 4 nguy\u00ean l\u00fd c\u01a1 b\u1ea3n sau:<\/p>\n\n\n\n<p><strong>T\u00ednh \u0111\u00f3ng g\u00f3i (Encapsulation)<\/strong><\/p>\n\n\n\n<p>V\u1edbi nguy\u00ean l\u00fd n\u00e0y, m\u1ecdi th\u00f4ng tin v\u00e0 ph\u01b0\u01a1ng th\u1ee9c c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng s\u1ebd \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i l\u1ea1i th\u00e0nh c\u00e1c l\u1edbp ri\u00eang bi\u1ec7t. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap che d\u1ea5u c\u00e1c d\u1eef li\u1ec7u n\u1ed9i b\u1ed9 v\u00e0 khi\u1ebfn c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c kh\u00f4ng th\u1ec3 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn ch\u00fang n\u1ebfu kh\u00f4ng th\u00f4ng qua ph\u01b0\u01a1ng th\u1ee9c \u0111\u01b0\u1ee3c cung c\u1ea5p.<\/p>\n\n\n\n<p>T\u00ednh \u0111\u00f3ng g\u00f3i gi\u00fap l\u1eadp tr\u00ecnh vi\u00ean d\u1ec5 d\u00e0ng qu\u1ea3n l\u00fd v\u00e0 s\u1eed d\u1ee5ng d\u1eef li\u1ec7u h\u01a1n. \u0110\u1ed3ng th\u1eddi, t\u00ednh ch\u1ea5t n\u00e0y c\u0169ng n\u00e2ng cao m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt th\u00f4ng tin cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng, gi\u1ea3m thi\u1ec3u t\u00ecnh tr\u1ea1ng d\u1eef li\u1ec7u h\u01b0 h\u1ecfng ho\u1eb7c b\u1ecb \u0111\u00e1nh c\u1eafp.<\/p>\n\n\n\n<p><strong>T\u00ecm hi\u1ec3u th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/developer-la-gi-2\/\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">Developer L\u00e0 G\u00ec<\/mark><\/a>? M\u00f4 T\u1ea3 C\u00f4ng Vi\u1ec7c V\u00e0 M\u1ee9c Thu Nh\u1eadp C\u1ee7a Developer<\/strong><\/p>\n\n\n\n<p><strong>T\u00ednh k\u1ebf th\u1eeba (Inheritance)<\/strong><\/p>\n\n\n\n<p>T\u00ednh ch\u1ea5t n\u00e0y cho ph\u00e9p l\u1eadp tr\u00ecnh vi\u00ean ti\u1ebfn h\u00e0nh x\u00e2y d\u1ef1ng l\u1edbp m\u1edbi d\u1ef1a tr\u00ean nh\u1eefng l\u1edbp c\u0169 \u0111\u00e3 c\u00f3. Nh\u1eefng l\u1edbp Con n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c k\u1ebf th\u1eeba v\u00e0 s\u1eed d\u1ee5ng to\u00e0n b\u1ed9 nh\u1eefng thu\u1ed9c t\u00ednh, ph\u01b0\u01a1ng th\u1ee9c t\u1eeb l\u1edbp Cha m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ecbnh ngh\u0129a l\u1ea1i. \u0110\u1ed3ng th\u1eddi, l\u1edbp Con c\u00f3 th\u1ec3 t\u1ef1 m\u1edf r\u1ed9ng th\u00eam c\u00e1c th\u00e0nh ph\u1ea7n m\u1edbi. \u0110\u00e2y c\u0169ng l\u00e0 l\u00fd do khi\u1ebfn l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c nhi\u1ec1u l\u1eadp tr\u00ecnh vi\u00ean l\u1ef1a ch\u1ecdn s\u1eed d\u1ee5ng.\u00a0<\/p>\n\n\n<div class=\"wp-block-image is-style-default\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/image-24.jpeg\" alt=\"4 nguy\u00ean l\u00fd c\u01a1 b\u1ea3n trong OOP\" class=\"wp-image-1887\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/image-24.jpeg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/image-24-640x400.jpeg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/image-24-768x480.jpeg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>4 nguy\u00ean l\u00fd c\u01a1 b\u1ea3n trong OOP<\/em><\/figcaption><\/figure><\/div>\n\n\n<p><strong>T\u00ednh \u0111a h\u00ecnh (Polymorphism)<\/strong><\/p>\n\n\n\n<p>T\u00ednh \u0111a h\u00ecnh trong OOP ngh\u0129a l\u00e0 c\u00e1c l\u1edbp c\u00f3 ph\u01b0\u01a1ng th\u1ee9c gi\u1ed1ng nhau nh\u01b0ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo nhi\u1ec1u c\u00e1ch kh\u00e1c nhau.&nbsp;<\/p>\n\n\n\n<p>V\u00ed d\u1ee5 nh\u01b0 v\u1edbi l\u1edbp m\u00e1y t\u00ednh, m\u1ed7i m\u1ed9t chi\u1ebfc m\u00e1y t\u00ednh \u0111\u1ec1u c\u00f3 nh\u1eefng ch\u1ee9c n\u0103ng t\u01b0\u01a1ng t\u1ef1 nhau nh\u01b0ng \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh theo nh\u1eefng c\u00e1ch kh\u00e1c nhau. M\u00e1y t\u00ednh Dell s\u1eed d\u1ee5ng h\u1ec7 \u0111i\u1ec1u h\u00e0nh Windows trong khi Macbook s\u1eed d\u1ee5ng h\u1ec7 \u0111i\u1ec1u h\u00e0nh macOS.<\/p>\n\n\n\n<p><strong>T\u00ednh tr\u1eebu t\u01b0\u1ee3ng (Abstraction)<\/strong><\/p>\n\n\n\n<p>Tr\u1eebu t\u01b0\u1ee3ng c\u00f3 ngh\u0129a l\u00e0 t\u1ed5ng quan h\u00f3a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng, s\u1ef1 v\u1eadt m\u00e0 kh\u00f4ng quan t\u00e2m t\u1edbi c\u00e1c chi ti\u1ebft b\u00ean trong. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng qu\u1ea3n l\u00fd v\u00e0 s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng khi ch\u1ec9 c\u1ea7n t\u1eadp trung v\u00e0o nh\u1eefng th\u00f4ng tin c\u1ed1t l\u00f5i, quan tr\u1ecdng.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5 v\u1edbi \u0111\u1ed1i t\u01b0\u1ee3ng m\u00e1y t\u00ednh, l\u1eadp tr\u00ecnh vi\u00ean ch\u1ec9 c\u1ea7n quan t\u00e2m t\u1edbi nh\u1eefng th\u00f4ng tin nh\u01b0 th\u1ec3 lo\u1ea1i, ram, cpu,.. ch\u1ee9 kh\u00f4ng c\u1ea7n ch\u00fa \u00fd t\u1edbi c\u00e1c th\u00f4ng tin v\u1ec1 m\u00e0u s\u1eafc, c\u00e2n n\u1eb7ng, k\u00edch th\u01b0\u1edbc,&#8230; T\u00f9y thu\u1ed9c theo ch\u01b0\u01a1ng tr\u00ecnh, ph\u1ea7n m\u1ec1m c\u1ee5 th\u1ec3 m\u00e0 l\u1eadp tr\u00ecnh vi\u00ean s\u1ebd l\u1ef1a ch\u1ecdn s\u1eed d\u1ee5ng thu\u1ed9c t\u00ednh ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n<p><strong>Xem th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/junior-developer-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Junior Developer L\u00e0 G\u00ec? M\u1ee9c Thu Nh\u1eadp C\u00f3 Cao Kh\u00f4ng?<\/a><\/strong><\/p>\n\n\n\n<p>Tr\u00ean \u0111\u00e2y l\u00e0 to\u00e0n b\u1ed9 th\u00f4ng tin v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p <strong>l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng<\/strong> OOP m\u00e0 b\u1ea5t c\u1ee9 l\u1eadp tr\u00ecnh vi\u00ean n\u00e0o c\u0169ng n\u00ean th\u00e0nh th\u1ea1o. M\u1eb7c d\u00f9 \u0111\u00e2y ch\u1ec9 l\u00e0 k\u1ef9 thu\u1eadt c\u01a1 b\u1ea3n nh\u01b0ng r\u1ea5t quan tr\u1ecdng n\u1ebfu b\u1ea1n mu\u1ed1n theo \u0111u\u1ed5i con \u0111\u01b0\u1eddng l\u1eadp tr\u00ecnh. Ngo\u00e0i ra, n\u1ebfu b\u1ea1n c\u00f3 mong mu\u1ed1n t\u00ecm ki\u1ebfm\u00a0<strong><a href=\"https:\/\/www.topcv.vn\/viec-lam\" target=\"_blank\" rel=\"noreferrer noopener\">vi\u1ec7c l\u00e0m h\u1ea5p d\u1eabn<\/a><\/strong>\u00a0trong ng\u00e0nh IT, h\u00e3y truy c\u1eadp v\u00e0o\u00a0<a href=\"https:\/\/www.topcv.vn\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>TopCV<\/strong><\/a>\u00a0\u0111\u1ec3 ti\u1ebfp c\u1eadn nhi\u1ec1u c\u01a1 h\u1ed9i t\u1ed1t h\u01a1n nh\u00e9.<\/p>\n\n\n\n<p class=\"has-text-align-right\"><em>H\u00ecnh \u1ea3nh: S\u01b0u t\u1ea7m<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 kh\u00e1i ni\u1ec7m h\u1ebft s\u1ee9c quen thu\u1ed9c v\u1edbi c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean. \u0110\u00e2y c\u0169ng l\u00e0 k\u1ef9 thu\u1eadt l\u1eadp tr\u00ecnh th\u00f4ng d\u1ee5ng v\u00e0 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng nhi\u1ec1u nh\u1ea5t hi\u1ec7n nay. V\u1eady c\u1ee5 th\u1ec3 l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng OOP l\u00e0 g\u00ec? Sau \u0111\u00e2y topviecit.vn s\u1ebd chia s\u1ebb to\u00e0n b\u1ed9 th\u00f4ng tin [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":1874,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"cybocfi_hide_featured_image":"","footnotes":""},"categories":[86],"tags":[442],"class_list":["post-1869","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chia-se-kinh-nghiem","tag-lap-trinh-huong-doi-tuong"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>OOP l\u00e0 g\u00ec? To\u00e0n b\u1ed9 th\u00f4ng tin v\u1ec1 l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng<\/title>\n<meta name=\"description\" content=\"L\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng hay OOP (vi\u1ebft t\u1eaft c\u1ee7a c\u1ee5m t\u1eeb Object Oriented Programming) l\u00e0 k\u1ef9 thu\u1eadt l\u1eadp tr\u00ecnh d\u1ef1a tr\u00ean l\u1edbp v\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/topviecit.vn\/blog\/lap-trinh-huong-doi-tuong\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"OOP l\u00e0 g\u00ec? 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