{"id":2035,"date":"2026-03-11T06:16:22","date_gmt":"2026-03-11T06:16:22","guid":{"rendered":"https:\/\/www.tech-posts.com\/vi\/%f0%9f%93%98-comprehensive-guide-class-diagrams-across-development-stages\/"},"modified":"2026-03-11T06:16:22","modified_gmt":"2026-03-11T06:16:22","slug":"%f0%9f%93%98-comprehensive-guide-class-diagrams-across-development-stages","status":"publish","type":"post","link":"https:\/\/www.tech-posts.com\/vn\/%f0%9f%93%98-comprehensive-guide-class-diagrams-across-development-stages\/","title":{"rendered":"\ud83d\udcd8 H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n: S\u01a1 \u0111\u1ed3 l\u1edbp qua c\u00e1c giai \u0111o\u1ea1n ph\u00e1t tri\u1ec3n"},"content":{"rendered":"<h2 dir=\"auto\">\ud83d\udcd8 Gi\u1edbi thi\u1ec7u: T\u1eeb c\u00e1c th\u00e0nh ph\u1ea7n t\u00e1ch bi\u1ec7t \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng k\u1ebft n\u1ed1i \u2014 S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a s\u01a1 \u0111\u1ed3 l\u1edbp<\/h2>\n<p dir=\"auto\">Trong th\u1ebf gi\u1edbi ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m, s\u01a1 \u0111\u1ed3 l\u1edbp kh\u00f4ng ch\u1ec9 l\u00e0 nh\u1eefng minh h\u1ecda t\u0129nh \u2014 ch\u00fang l\u00e0 b\u1ea3n v\u1ebd s\u1ed1ng \u0111\u1ed9ng thay \u0111\u1ed5i c\u00f9ng h\u1ec7 th\u1ed1ng m\u00e0 ch\u00fang \u0111\u1ea1i di\u1ec7n. \u1ede m\u1ecdi giai \u0111o\u1ea1n ph\u00e1t tri\u1ec3n, t\u1eeb y\u00eau c\u1ea7u ban \u0111\u1ea7u \u0111\u1ebfn b\u1ea3o tr\u00ec sau khi ph\u00e1t h\u00e0nh, m\u1ee9c \u0111\u1ed9 chi ti\u1ebft, c\u1ea5u tr\u00fac v\u00e0 m\u1ee5c \u0111\u00edch \u0111\u1eb1ng sau m\u1ed9t s\u01a1 \u0111\u1ed3 l\u1edbp thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3. Tuy nhi\u00ean, m\u1ed9t sai l\u1ea7m ph\u1ed5 bi\u1ebfn v\u1eabn t\u1ed3n t\u1ea1i:<strong>c\u00e1c th\u00e0nh ph\u1ea7n t\u00e1ch bi\u1ec7t<\/strong>.<\/p>\n<div class=\"my-2\"><\/div>\n<p dir=\"auto\">H\u00e3y xem x\u00e9t l\u1edbp b\u1ed9 x\u1eed l\u00fd thanh to\u00e1n ti\u00eau bi\u1ec3u \u2014<code class=\"codespan cursor-pointer\">CreditCardProcessor<\/code>, <code class=\"codespan cursor-pointer\">PayPalProcessor<\/code>, v\u00e0<code class=\"codespan cursor-pointer\">StripeProcessor<\/code> \u2014 th\u01b0\u1eddng \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a nh\u01b0 nh\u1eefng th\u1ef1c th\u1ec3 \u0111\u1ed9c l\u1eadp, t\u00e1ch bi\u1ec7t trong s\u01a1 \u0111\u1ed3 l\u1edbp. M\u1eb7c d\u00f9 \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u1ee7 trong giai \u0111o\u1ea1n thi\u1ebft k\u1ebf ban \u0111\u1ea7u, nh\u01b0ng n\u00f3 ti\u1ebft l\u1ed9 m\u1ed9t v\u1ea5n \u0111\u1ec1 s\u00e2u xa:<strong>s\u1ef1 thi\u1ebfu v\u1eafng t\u00edch h\u1ee3p v\u00e0 s\u1ef1 r\u00f5 r\u00e0ng v\u1ec1 h\u00e0nh vi<\/strong>. Nh\u1eefng l\u1edbp n\u00e0y t\u1ed3n t\u1ea1i m\u1ed9t c\u00e1ch t\u00e1ch bi\u1ec7t, kh\u00f4ng c\u00f3 c\u01a1 ch\u1ebf r\u00f5 r\u00e0ng \u0111\u1ec3 l\u1ef1a ch\u1ecdn, c\u1ea5u h\u00ecnh ho\u1eb7c linh ho\u1ea1t t\u1ea1i th\u1eddi \u0111i\u1ec3m ch\u1ea1y. K\u1ebft qu\u1ea3 l\u00e0 thi\u1ebft k\u1ebf tr\u1edf n\u00ean c\u1ee9ng nh\u1eafc, kh\u00f3 m\u1edf r\u1ed9ng v\u00e0 kh\u00f3 ki\u1ec3m th\u1eed.<\/p>\n<div class=\"my-2\"><\/div>\n<p dir=\"auto\">B\u00e0i vi\u1ebft n\u00e0y kh\u00e1m ph\u00e1 c\u00e1ch s\u01a1 \u0111\u1ed3 l\u1edbp n\u00ean<strong>ph\u00e1t tri\u1ec3n<\/strong>qua c\u00e1c giai \u0111o\u1ea1n ph\u00e1t tri\u1ec3n \u2014 t\u1eeb c\u00e1c m\u00f4 h\u00ecnh kh\u00e1i ni\u1ec7m c\u1ea5p cao \u0111\u1ebfn c\u00e1c thi\u1ebft k\u1ebf chi ti\u1ebft, s\u1eb5n s\u00e0ng tri\u1ec3n khai \u2014 v\u00e0 c\u00e1ch<strong>nh\u1eefng k\u1ebft n\u1ed1i chi\u1ebfn l\u01b0\u1ee3c<\/strong>gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 th\u1ec3 bi\u1ebfn m\u1ed9t h\u1ec7 th\u1ed1ng ph\u00e2n m\u1ea3nh th\u00e0nh m\u1ed9t ki\u1ebfn tr\u00fac th\u1ed1ng nh\u1ea5t, c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng. Ch\u00fang ta s\u1ebd t\u1eadp trung v\u00e0o m\u1ed9t v\u00ed d\u1ee5 th\u1ef1c t\u1ebf: b\u1ed9 ph\u1eadn x\u1eed l\u00fd thanh to\u00e1n \u2014 v\u00e0 ch\u1ec9 ra c\u00e1ch \u00e1p d\u1ee5ng<strong>M\u1eabu Chi\u1ebfn l\u01b0\u1ee3c<\/strong>, <strong>M\u1eabu Factory<\/strong>, v\u00e0<strong>ti\u00eam ph\u1ee5 thu\u1ed9c<\/strong>c\u00f3 th\u1ec3 l\u1ea5p \u0111\u1ea7y kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c l\u1edbp t\u00e1ch bi\u1ec7t v\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng th\u1ef1c s\u1ef1 linh ho\u1ea1t, d\u1ec5 b\u1ea3o tr\u00ec.<\/p>\n<div class=\"my-2\"><\/div>\n<p dir=\"auto\">Th\u00f4ng qua<strong>c\u00e1c s\u01a1 \u0111\u1ed3 PlantUML<\/strong>v\u00e0 nh\u1eefng hi\u1ec3u bi\u1ebft thi\u1ebft th\u1ef1c v\u1ec1 thi\u1ebft k\u1ebf, b\u1ea1n s\u1ebd h\u1ecdc \u0111\u01b0\u1ee3c c\u00e1ch:<\/p>\n<ul dir=\"auto\">\n<li class=\"text-start\">V\u01b0\u1ee3t qua c\u00e1c m\u1ed1i quan h\u1ec7 l\u1edbp t\u0129nh.<\/li>\n<li class=\"text-start\">M\u00f4 h\u00ecnh h\u00f3a h\u00e0nh vi th\u1ef1c t\u1ebf v\u00e0 c\u00e1c \u0111\u1ed9ng l\u1ef1c t\u1ea1i th\u1eddi \u0111i\u1ec3m ch\u1ea1y.<\/li>\n<li class=\"text-start\">Thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng linh ho\u1ea1t, m\u1edf r\u1ed9ng \u0111\u01b0\u1ee3c v\u00e0 d\u1ec5 d\u00e0ng ph\u00e1t tri\u1ec3n.<\/li>\n<\/ul>\n<div class=\"my-2\"><\/div>\n<p dir=\"auto\">\u0110\u1ebfn cu\u1ed1i b\u00e0i, b\u1ea1n s\u1ebd th\u1ea5y r\u1eb1ng m\u1ed9t s\u01a1 \u0111\u1ed3 l\u1edbp \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i t\u1ed1t kh\u00f4ng ch\u1ec9 l\u00e0 c\u00f4ng c\u1ee5 t\u00e0i li\u1ec7u h\u00f3a \u2014 \u0111\u00f3 l\u00e0 m\u1ed9t <strong>t\u1ea7m nh\u00ecn v\u1ec1 c\u00e1ch ph\u1ea7n m\u1ec1m c\u1ee7a b\u1ea1n n\u00ean ho\u1ea1t \u0111\u1ed9ng<\/strong>.<\/p>\n<p>S\u01a1 \u0111\u1ed3 l\u1edbp l\u00e0 m\u1ed9t trong nh\u1eefng c\u00f4ng c\u1ee5 UML m\u1ea1nh m\u1ebd nh\u1ea5t \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a c\u00e1c h\u1ec7 th\u1ed1ng h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng. M\u1ee9c \u0111\u1ed9 chi ti\u1ebft c\u1ee7a ch\u00fang\u00a0<strong>m\u1ee9c \u0111\u1ed9 chi ti\u1ebft<\/strong>thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 t\u00f9y thu\u1ed9c v\u00e0o\u00a0<strong>giai \u0111o\u1ea1n ph\u00e1t tri\u1ec3n<\/strong>. H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd d\u1eabn b\u1ea1n qua\u00a0<strong>b\u1ed1n giai \u0111o\u1ea1n ch\u00ednh<\/strong>c\u1ee7a qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m v\u00e0 cho th\u1ea5y c\u00e1ch s\u01a1 \u0111\u1ed3 l\u1edbp ph\u00e1t tri\u1ec3n theo t\u1eebng giai \u0111o\u1ea1n.<\/p>\n<hr\/>\n<h2>\ud83e\udde9 1.\u00a0<strong>Giai \u0111o\u1ea1n 1: Y\u00eau c\u1ea7u v\u00e0 Thi\u1ebft k\u1ebf Kh\u00e1i ni\u1ec7m (Giai \u0111o\u1ea1n \u0111\u1ea7u)<\/strong><\/h2>\n<h3>\ud83c\udfaf M\u1ee5c \u0111\u00edch:<\/h3>\n<ul>\n<li>Ghi l\u1ea1i c\u00e1c kh\u00e1i ni\u1ec7m c\u1ea5p cao trong l\u0129nh v\u1ef1c chuy\u00ean m\u00f4n.<\/li>\n<li>X\u00e1c \u0111\u1ecbnh c\u00e1c th\u1ef1c th\u1ec3 ch\u00ednh v\u00e0 m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang.<\/li>\n<li>Th\u00fac \u0111\u1ea9y giao ti\u1ebfp gi\u1eefa c\u00e1c b\u00ean li\u00ean quan v\u00e0 c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n.<\/li>\n<\/ul>\n<h3>\ud83d\udd0d \u0110\u1eb7c \u0111i\u1ec3m:<\/h3>\n<ul>\n<li>T\u1eadp trung v\u00e0o\u00a0<strong>c\u00e1c th\u1ef1c th\u1ec3 l\u0129nh v\u1ef1c<\/strong>\u00a0v\u00e0\u00a0<strong>m\u1ed1i quan h\u1ec7<\/strong>.<\/li>\n<li>Kh\u00f4ng c\u00f3 ph\u01b0\u01a1ng th\u1ee9c hay thu\u1ed9c t\u00ednh (ho\u1eb7c r\u1ea5t \u00edt).<\/li>\n<li>S\u1eed d\u1ee5ng\u00a0<strong>k\u1ebf th\u1eeba<\/strong>,\u00a0<strong>li\u00ean k\u1ebft<\/strong>,\u00a0<strong>t\u1ed5 h\u1ee3p<\/strong>, v\u00e0\u00a0<strong>th\u00e0nh ph\u1ea7n<\/strong>.<\/li>\n<li>Tr\u00e1nh chi ti\u1ebft tri\u1ec3n khai (v\u00ed d\u1ee5: c\u00e1c b\u1ed9 s\u1eeda \u0111\u1ed5i truy c\u1eadp, ki\u1ec3u d\u1eef li\u1ec7u).<\/li>\n<\/ul>\n<h3>\ud83d\udccc V\u00ed d\u1ee5: H\u1ec7 th\u1ed1ng Th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed (M\u1ee9c kh\u00e1i ni\u1ec7m)<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/uml.planttext.com\/plantuml\/png\/VLB9QiCm4BqR_0-3BuMMXFhgKqfoRqY_O2fFd04jZZGwXD9_xyX97DBj8gJ7spJIAWb6oSxMrGEiWpSqIaOBQuifmOPnYEXW0M-20q7RmOwEcICvyfBgggxCH5pd9C5HX8-w0dZowAXJJMG_J00vP7j3Fc_ARGnzDlANS8ni5DcGOOVsJlaQ-pambFq6fL1rdJ2zcUJqBNGkshGDB1RGF2-NZyt5guFHeY6zr_byvRGJvzgq0nEy87lbNR7VtLAmFR0lkJu8GUJX813syxXApnsDaL8P9o3afCBtVDB2C9wzDOLy3yNWfz4bl_Xi3wV4HfykHEXvOD4j2pdOAv3Gqdy-K-FYyW8IqISqmi539AEJlHUkzA3_vGi0\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">PlantUML<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com#plantuml:VLB9QiCm4BqR_0-3BuMMXFhgKqfoRqY_O2fFd04jZZGwXD9_xyX97DBj8gJ7spJIAWb6oSxMrGEiWpSqIaOBQuifmOPnYEXW0M-20q7RmOwEcICvyfBgggxCH5pd9C5HX8-w0dZowAXJJMG_J00vP7j3Fc_ARGnzDlANS8ni5DcGOOVsJlaQ-pambFq6fL1rdJ2zcUJqBNGkshGDB1RGF2-NZyt5guFHeY6zr_byvRGJvzgq0nEy87lbNR7VtLAmFR0lkJu8GUJX813syxXApnsDaL8P9o3afCBtVDB2C9wzDOLy3yNWfz4bl_Xi3wV4HfykHEXvOD4j2pdOAv3Gqdy-K-FYyW8IqISqmi539AEJlHUkzA3_vGi0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Ch\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">PlantUML<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com#plantuml:VLA_IyD05Du3-Hy-kWXAYrqp2GuAeaidfvAczUumkPJc8eWuEJYuL1n4H6Xq40L1S93cSBhI_-F-4z-bY8sYuttttlVZlRUHgN2ayYJslHLqvWLcbrPV8RRwTeX3RWe1AQm-Jz34bWW5_QUsB2JQ0VRDSux8be-vx_bU58TPXXrgYNYNcubaEF4zO4sPPnbWa-TMNuiA6IIXY9UWq-_-ZYqVP7V8RVcK_DdFX2a2AjMNNKMLBqDgCFUoHZGRpmjPyo6PcHntAL_vhWBikTU2V-G2CQAYj3zTrV8qsWqqcsYijrghZPf2W0MlxosZN_NjghuMBK34hNuAVQy6_wymVxNw8KBFqFpLA9NCEPIf6c0a65T83shpT-bcOmedq7SxbAIPGZ97SqUOcH9laeV8d0KiBFZUGFRXI7-JBrjrvDkLCsxUGXpH6XHYym5Ez_4UuT3gAHJDqk4PhQgwhBFA_7yQIvcTnAxLDmgzoY3Z0ao4AVfMNqIyph913phZJm00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\n' S\u01a1 \u0111\u1ed3 l\u1edbp kh\u00e1i ni\u1ec7m - Giai \u0111o\u1ea1n 1: Y\u00eau c\u1ea7u\r\n\r\nclass Kh\u00e1ch_h\u00e0ng {\r\n  +t\u00ean: Chu\u1ed7i\r\n  +email: Chu\u1ed7i\r\n}\r\n\r\nclass S\u1ea3n_ph\u1ea9m {\r\n  +t\u00ean: Chu\u1ed7i\r\n  +gi\u00e1: S\u1ed1_th\u1eadp_ph\u00e2n\r\n}\r\n\r\nclass \u0110\u01a1n_h\u00e0ng {\r\n  +ng\u00e0y_\u0111\u1eb7t: Ng\u00e0y\r\n  +tr\u1ea1ng_th\u00e1i: Chu\u1ed7i\r\n}\r\n\r\nKh\u00e1ch_h\u00e0ng \"1\" -- \"0..*\" \u0110\u01a1n_h\u00e0ng : \u0111\u1eb7t\r\n\u0110\u01a1n_h\u00e0ng \"1\" -- \"1..*\" S\u1ea3n_ph\u1ea9m : ch\u1ee9a\r\nS\u1ea3n_ph\u1ea9m \"1\" -- \"0..*\" \u0110\u01a1n_h\u00e0ng : \u0111\u01b0\u1ee3c b\u00e1n trong\r\n\r\nnote right of Kh\u00e1ch_h\u00e0ng\r\n  \u0110\u1ea1i di\u1ec7n cho ng\u01b0\u1eddi d\u00f9ng mua s\u1ea3n ph\u1ea9m\r\nend note\r\n\r\nnote right of S\u1ea3n_ph\u1ea9m\r\n  H\u00e0ng h\u00f3a v\u1eadt l\u00fd ho\u1eb7c k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u1ec3 b\u00e1n\r\nend note\r\n\r\nnote right of \u0110\u01a1n_h\u00e0ng\r\n  M\u1ed9t b\u1ea3n ghi giao d\u1ecbch\r\nend note\r\n\r\n@enduml\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com#plantuml:VLA_IyD05Du3-Hy-kWXAYrqp2GuAeaidfvAczUumkPJc8eWuEJYuL1n4H6Xq40L1S93cSBhI_-F-4z-bY8sYuttttlVZlRUHgN2ayYJslHLqvWLcbrPV8RRwTeX3RWe1AQm-Jz34bWW5_QUsB2JQ0VRDSux8be-vx_bU58TPXXrgYNYNcubaEF4zO4sPPnbWa-TMNuiA6IIXY9UWq-_-ZYqVP7V8RVcK_DdFX2a2AjMNNKMLBqDgCFUoHZGRpmjPyo6PcHntAL_vhWBikTU2V-G2CQAYj3zTrV8qsWqqcsYijrghZPf2W0MlxosZN_NjghuMBK34hNuAVQy6_wymVxNw8KBFqFpLA9NCEPIf6c0a65T83shpT-bcOmedq7SxbAIPGZ97SqUOcH9laeV8d0KiBFZUGFRXI7-JBrjrvDkLCsxUGXpH6XHYym5Ez_4UuT3gAHJDqk4PhQgwhBFA_7yQIvcTnAxLDmgzoY3Z0ao4AVfMNqIyph913phZJm00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com#plantuml:VLB9QiCm4BqR_0-3BuMMXFhgKqfoRqY_O2fFd04jZZGwXD9_xyX97DBj8gJ7spJIAWb6oSxMrGEiWpSqIaOBQuifmOPnYEXW0M-20q7RmOwEcICvyfBgggxCH5pd9C5HX8-w0dZowAXJJMG_J00vP7j3Fc_ARGnzDlANS8ni5DcGOOVsJlaQ-pambFq6fL1rdJ2zcUJqBNGkshGDB1RGF2-NZyt5guFHeY6zr_byvRGJvzgq0nEy87lbNR7VtLAmFR0lkJu8GUJX813syxXApnsDaL8P9o3afCBtVDB2C9wzDOLy3yNWfz4bl_Xi3wV4HfykHEXvOD4j2pdOAv3Gqdy-K-FYyW8IqISqmi539AEJlHUkzA3_vGi0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Ch\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<blockquote>\n<p>\u2705\u00a0<strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong>: Tr\u00ecnh b\u00e0y cho c\u00e1c b\u00ean li\u00ean quan, tinh ch\u1ec9nh m\u00f4 h\u00ecnh mi\u1ec1n, x\u00e1c nh\u1eadn v\u1edbi c\u00e1c nh\u00e0 ph\u00e2n t\u00edch kinh doanh.<\/p>\n<\/blockquote>\n<hr\/>\n<h2>\ud83e\uddf1 2.\u00a0<strong>Giai \u0111o\u1ea1n 2: Ph\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf c\u1ea5p cao (Gi\u1eefa giai \u0111o\u1ea1n)<\/strong><\/h2>\n<h3>\ud83c\udfaf M\u1ee5c \u0111\u00edch:<\/h3>\n<ul>\n<li>Tinh ch\u1ec9nh m\u00f4 h\u00ecnh mi\u1ec1n th\u00e0nh m\u1ed9t thi\u1ebft k\u1ebf c\u00f3 c\u1ea5u tr\u00fac h\u01a1n.<\/li>\n<li>Gi\u1edbi thi\u1ec7u\u00a0<strong>thu\u1ed9c t\u00ednh<\/strong>,\u00a0<strong>c\u00e1c thao t\u00e1c c\u01a1 b\u1ea3n<\/strong>, v\u00e0\u00a0<strong>c\u00e1c m\u1ed1i quan h\u1ec7<\/strong>.<\/li>\n<li>B\u1eaft \u0111\u1ea7u x\u00e1c \u0111\u1ecbnh\u00a0<strong>giao di\u1ec7n<\/strong>,\u00a0<strong>l\u1edbp tr\u1eebu t\u01b0\u1ee3ng<\/strong>, v\u00e0\u00a0<strong>m\u1eabu thi\u1ebft k\u1ebf<\/strong>.<\/li>\n<\/ul>\n<h3>\ud83d\udd0d \u0110\u1eb7c \u0111i\u1ec3m:<\/h3>\n<ul>\n<li>Th\u00eam\u00a0<strong>thu\u1ed9c t\u00ednh<\/strong>\u00a0v\u00e0\u00a0<strong>thao t\u00e1c<\/strong>\u00a0(v\u1edbi \u00edt lo\u1ea1i nh\u1ea5t c\u00f3 th\u1ec3).<\/li>\n<li>S\u1eed d\u1ee5ng\u00a0<strong>l\u1edbp tr\u1eebu t\u01b0\u1ee3ng<\/strong>\u00a0v\u00e0\u00a0<strong>giao di\u1ec7n<\/strong>.<\/li>\n<li>Gi\u1edbi thi\u1ec7u\u00a0<strong>b\u1ed9i s\u1ed1<\/strong>\u00a0v\u00e0\u00a0<strong>kh\u1ea3 n\u0103ng \u0111i\u1ec1u h\u01b0\u1edbng<\/strong>.<\/li>\n<li>B\u1eaft \u0111\u1ea7u suy ngh\u0129 v\u1ec1\u00a0<strong>tr\u00e1ch nhi\u1ec7m<\/strong>\u00a0v\u00e0\u00a0<strong>t\u00ednh g\u1eafn k\u1ebft<\/strong>.<\/li>\n<\/ul>\n<h3>\ud83d\udccc V\u00ed d\u1ee5: H\u1ec7 th\u1ed1ng Th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed (M\u1ee9c \u0111\u1ed9 Ph\u00e2n t\u00edch)<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/uml.planttext.com\/plantuml\/png\/fLDDQzmm4BqR_1y6Nv8cE2GzYX3IPWzT27JBzWzCv8ahgWzN6YqifV-zaknrzWjooCKmRzvetdkI7mEZvsXqNLt0DzN_QfzfGngUD8O02uMzHmCjh1bxWiy2lbZKsw12NTNLuqU6yIMmHyaW2_kxxyZ3txg2DE1oiLo8DEcLxVV01J89oDyHJ0euXdtYjKGjeqwCduvHNtvAT9BAe2xT3MhLfMR6lpgd2Mt10suAjd6ggwj_MU4ex2a6TkPDcvpgOtaM3HqYP53f0sdOTSNdPV4YHjFpqaJeYGiMifHd5VY-b0y7YbRUTJ45DmaQnl9zFODNaWxIoFav-Vj7HCkAjmAMbgadNxIeiBJht3wEAWuvmB65naNBy-2v08k39PFP2VvpRbqBqIfUdKZCaQpZ2v_SPTamNqvprq3RGdDxStFLJ8z9mA1HKdfjOxtZtBrnYYm1qbb6PNVCWixiPWvSWATNycJBeJlqpEhfM1m6GXz0sQnL9RF-DGc25MuDsMJMfOE2cvxMzJ3MKtUETdAyVmd5-v6fvlHO0J7G-AUIxT9_-Xy0\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">PlantUML<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com#plantuml:fLDDQzmm4BqR_1y6Nv8cE2GzYX3IPWzT27JBzWzCv8ahgWzN6YqifV-zaknrzWjooCKmRzvetdkI7mEZvsXqNLt0DzN_QfzfGngUD8O02uMzHmCjh1bxWiy2lbZKsw12NTNLuqU6yIMmHyaW2_kxxyZ3txg2DE1oiLo8DEcLxVV01J89oDyHJ0euXdtYjKGjeqwCduvHNtvAT9BAe2xT3MhLfMR6lpgd2Mt10suAjd6ggwj_MU4ex2a6TkPDcvpgOtaM3HqYP53f0sdOTSNdPV4YHjFpqaJeYGiMifHd5VY-b0y7YbRUTJ45DmaQnl9zFODNaWxIoFav-Vj7HCkAjmAMbgadNxIeiBJht3wEAWuvmB65naNBy-2v08k39PFP2VvpRbqBqIfUdKZCaQpZ2v_SPTamNqvprq3RGdDxStFLJ8z9mA1HKdfjOxtZtBrnYYm1qbb6PNVCWixiPWvSWATNycJBeJlqpEhfM1m6GXz0sQnL9RF-DGc25MuDsMJMfOE2cvxMzJ3MKtUETdAyVmd5-v6fvlHO0J7G-AUIxT9_-Xy0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Ch\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">PlantUML<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com#plantuml:hLDDYnGn4Bqtz7ye-kBgCelhiH4PT44614V6Fr2cuqmmdRH9PN0Hpvx5ewTLzY2ou4sOFdXOsV-HVsAIxkcTB_3Y9L2lNgfUlKh6bj2GgsMUtO7PpGNy-UJRpo1z-wK1vbUNuKGD8tWgK8IazgiB1GzAc2wklogWwoksoBCy6_-dEjq5ChxzuO1kVlhscvh3SrDn0-_p34857OF9MGapCaBDDy0p95v2F3imQ29dDud732LpCZ1UQa9vT3VGEHCrofHTeXHLI4RyiTQIeqgunMN2bbfKUVOX2cKIhOKdpfAkRxMnFjwLfx3csmYlKSWjQLXLQSwZD4lP3Jqq3OGvfuJPAEMPiFGmXO-s54sDhXoZjQ2c2_-jfp62yIqted-QlNdXK96Wyn8cYlYScwH5s8cQnVIkLQw91dOfhBLJD5myP62QO4AyNWj-UwZT29mIDDsJ62sPkLUqjylKOLXESLh0Q0J5_PEJUqN_cChuGbU_AC-wUCqvlUKaMIMmXM-_OyzBsC0j1hjBe0NMWIlywhVBipL-e7LVzfqBlu8WN6W_XWzWTDn4deamjNcDZCCKpskkmjIQSMjr_yQEcoxkiuF7_UYRsqWcx4nNx9SjmVhs2YhVNdOInbnLuIV_1G00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\n' S\u01a1 \u0111\u1ed3 l\u1edbp c\u1ea5p cao - Giai \u0111o\u1ea1n 2: Ph\u00e2n t\u00edch\r\n\r\n@startuml\r\n' S\u01a1 \u0111\u1ed3 l\u1edbp c\u1ea5p cao - Giai \u0111o\u1ea1n 2: Ph\u00e2n t\u00edch\r\n\r\nl\u1edbp tr\u1eebu t\u01b0\u1ee3ng Order {\r\n  - orderID: String\r\n  - orderDate: Date\r\n  - status: String\r\n  +calculateTotal(): Decimal\r\n  +validate(): Boolean\r\n  +save(): void\r\n}\r\n\r\nclass Customer {\r\n  - customerID: String\r\n  - name: String\r\n  - email: String\r\n  +addOrder(order: Order): void\r\n  +getOrders(): List&lt;Order&gt;\r\n}\r\n\r\nclass Product {\r\n  - productID: String\r\n  - name: String\r\n  - price: Decimal\r\n  - stockQuantity: Integer\r\n  +isInStock(): Boolean\r\n  +updateStock(amount: Integer): void\r\n}\r\n\r\nclass OrderItem {\r\n  - quantity: Integer\r\n  - unitPrice: Decimal\r\n  +getSubtotal(): Decimal\r\n}\r\n\r\nCustomer \"1\" -- \"0..*\" Order : \u0111\u1eb7t\r\nOrder \"1\" -- \"1..*\" OrderItem : ch\u1ee9a\r\nOrderItem \"1\" -- \"1\" Product : tham chi\u1ebfu\r\nProduct \"1\" -- \"0..*\" OrderItem : xu\u1ea5t hi\u1ec7n trong\r\n\r\ninterface PaymentProcessor {\r\n  +processPayment(amount: Decimal): Boolean\r\n}\r\n\r\nOrder \"1\" -- \"1\" PaymentProcessor : s\u1eed d\u1ee5ng\r\n\r\n@enduml\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com#plantuml:hLDDYnGn4Bqtz7ye-kBgCelhiH4PT44614V6Fr2cuqmmdRH9PN0Hpvx5ewTLzY2ou4sOFdXOsV-HVsAIxkcTB_3Y9L2lNgfUlKh6bj2GgsMUtO7PpGNy-UJRpo1z-wK1vbUNuKGD8tWgK8IazgiB1GzAc2wklogWwoksoBCy6_-dEjq5ChxzuO1kVlhscvh3SrDn0-_p34857OF9MGapCaBDDy0p95v2F3imQ29dDud732LpCZ1UQa9vT3VGEHCrofHTeXHLI4RyiTQIeqgunMN2bbfKUVOX2cKIhOKdpfAkRxMnFjwLfx3csmYlKSWjQLXLQSwZD4lP3Jqq3OGvfuJPAEMPiFGmXO-s54sDhXoZjQ2c2_-jfp62yIqted-QlNdXK96Wyn8cYlYScwH5s8cQnVIkLQw91dOfhBLJD5myP62QO4AyNWj-UwZT29mIDDsJ62sPkLUqjylKOLXESLh0Q0J5_PEJUqN_cChuGbU_AC-wUCqvlUKaMIMmXM-_OyzBsC0j1hjBe0NMWIlywhVBipL-e7LVzfqBlu8WN6W_XWzWTDn4deamjNcDZCCKpskkmjIQSMjr_yQEcoxkiuF7_UYRsqWcx4nNx9SjmVhs2YhVNdOInbnLuIV_1G00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com#plantuml:fLDDQzmm4BqR_1y6Nv8cE2GzYX3IPWzT27JBzWzCv8ahgWzN6YqifV-zaknrzWjooCKmRzvetdkI7mEZvsXqNLt0DzN_QfzfGngUD8O02uMzHmCjh1bxWiy2lbZKsw12NTNLuqU6yIMmHyaW2_kxxyZ3txg2DE1oiLo8DEcLxVV01J89oDyHJ0euXdtYjKGjeqwCduvHNtvAT9BAe2xT3MhLfMR6lpgd2Mt10suAjd6ggwj_MU4ex2a6TkPDcvpgOtaM3HqYP53f0sdOTSNdPV4YHjFpqaJeYGiMifHd5VY-b0y7YbRUTJ45DmaQnl9zFODNaWxIoFav-Vj7HCkAjmAMbgadNxIeiBJht3wEAWuvmB65naNBy-2v08k39PFP2VvpRbqBqIfUdKZCaQpZ2v_SPTamNqvprq3RGdDxStFLJ8z9mA1HKdfjOxtZtBrnYYm1qbb6PNVCWixiPWvSWATNycJBeJlqpEhfM1m6GXz0sQnL9RF-DGc25MuDsMJMfOE2cvxMzJ3MKtUETdAyVmd5-v6fvlHO0J7G-AUIxT9_-Xy0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Ch\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<blockquote>\n<p>\u2705\u00a0<strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong>: Xem x\u00e9t thi\u1ebft k\u1ebf, th\u1ed1ng nh\u1ea5t \u0111\u1ed9i nh\u00f3m, quy\u1ebft \u0111\u1ecbnh ki\u1ebfn tr\u00fac ban \u0111\u1ea7u.<\/p>\n<\/blockquote>\n<hr\/>\n<h2>\ud83d\udd27 3.\u00a0<strong>Giai \u0111o\u1ea1n 3: Thi\u1ebft k\u1ebf chi ti\u1ebft v\u00e0 Tri\u1ec3n khai (Giai \u0111o\u1ea1n mu\u1ed9n)<\/strong><\/h2>\n<h3>\ud83c\udfaf M\u1ee5c \u0111\u00edch:<\/h3>\n<ul>\n<li>Chu\u1ea9n b\u1ecb cho vi\u1ec7c l\u1eadp tr\u00ecnh.<\/li>\n<li>X\u00e1c \u0111\u1ecbnh\u00a0<strong>c\u00e1c thu\u1ed9c t\u00ednh ch\u00ednh x\u00e1c<\/strong>,\u00a0<strong>c\u00e1c ph\u01b0\u01a1ng th\u1ee9c<\/strong>,\u00a0<strong>ki\u1ec3u d\u1eef li\u1ec7u<\/strong>,\u00a0<strong>c\u00e1c b\u1ed9 gi\u1edbi h\u1ea1n truy c\u1eadp<\/strong>.<\/li>\n<li>Bao g\u1ed3m\u00a0<strong>c\u00e1c r\u00e0ng bu\u1ed9c<\/strong>,\u00a0<strong>c\u00e1c ph\u1ee5 thu\u1ed9c<\/strong>,\u00a0<strong>c\u00e1c m\u1ed1i li\u00ean k\u1ebft<\/strong>, v\u00e0\u00a0<strong>s\u1ef1 k\u1ebft h\u1ee3p<\/strong>.<\/li>\n<li>S\u1eed d\u1ee5ng\u00a0<strong>c\u00e1c m\u1eabu thi\u1ebft k\u1ebf<\/strong>\u00a0(V\u00ed d\u1ee5: Factory, Strategy, Singleton).<\/li>\n<\/ul>\n<h3>\ud83d\udd0d \u0110\u1eb7c \u0111i\u1ec3m:<\/h3>\n<ul>\n<li>K\u00fd hi\u1ec7u \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a ph\u01b0\u01a1ng th\u1ee9c v\u00e0 ki\u1ec3u tr\u1ea3 v\u1ec1.<\/li>\n<li>Vi\u1ec7c s\u1eed d\u1ee5ng\u00a0<strong>c\u00e1c b\u1ed9 gi\u1edbi h\u1ea1n truy c\u1eadp<\/strong>\u00a0(<code data-backticks=\"1\">+<\/code>,\u00a0<code data-backticks=\"1\">-<\/code>,\u00a0<code data-backticks=\"1\">#<\/code>).<\/li>\n<li><strong>Ph\u1ee5 thu\u1ed9c<\/strong>,\u00a0<strong>k\u1ebf th\u1eeba<\/strong>,\u00a0<strong>giao di\u1ec7n<\/strong>\u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh ho\u00e0n to\u00e0n.<\/li>\n<li>C\u00f3 th\u1ec3 bao g\u1ed3m\u00a0<strong>r\u00e0ng bu\u1ed9c<\/strong>\u00a0(v\u00ed d\u1ee5 nh\u01b0\u00a0<code data-backticks=\"1\">&lt;&lt;r\u00e0ng bu\u1ed9c&gt;&gt;<\/code>).<\/li>\n<\/ul>\n<h3>\ud83d\udccc V\u00ed d\u1ee5: H\u1ec7 th\u1ed1ng Th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed (Thi\u1ebft k\u1ebf chi ti\u1ebft)<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/uml.planttext.com\/plantuml\/png\/hLLDRzim3BqRy7yGScctD4MBtOoYo9Ri4630CcItOWTLOXnX-l0aka2nxR-FacmdpWTss2w1-VX4yf6KCW_8FRP6byKLMm9ofK6oXUOXiANYjUU6pTW6UGtiNSLMfj5Wm297vMnPbCNyNmE8H5sq0Pq1ptwM1QC3ehDNoueEUsNhZ5jkO8o0ePHZY4lf8OH3S4hOPo_1NxluMx5alAdOYrCo4Mh0X8LhGZ-fW0_9V4pE5wwLv0WVOx98-E2S1au2Vkyr97ul8AKvhZw1IufJiVYRGMeWjg6hQ9ECx427d9GjGIZ3TQf3S2rQJKU_HbyivD3RLpagaF30Nn8sQ1NS2j1xw5Z42i7qGdwqtAB2LvgTHQZ1PxYr2jTU2HYNG5tSjCzuKjr1XhLtiXNOns-o-VT1DoVPOk-S-FxbN8LJ5LPs4zt7tMYRsAFiuiQr5eU3H_kGz5sKmL_Z7fCQGRlcki5FcsnttY515-72vYmyI8KBxkL_2TUnXmvdyxZ3Hx4oQ01tJew9g0pGaffclxLJuUnMUNDw5Qwebplm2kEAbSLmhnz-pMOqUZ2gDJtOyn7ybfFCiZXfQZfsfZsNg8IkkJwWnGplwLEezEA4Wv8cznD6HoPtjxTl9ztjhLYZSodPxZdtUqww71MZ3j1ZPtjcGWVsPDZoYddOWWTxBkXa65N5TloS_hFKRYbYm2XlGRBGKor8W7K8pAjwXynjSy5nO9lkaNbQWvKqsPjuAauGv0tRx5JJn8z5UXVe0VzM5iHZCLZCCGxQISjXwHOnGnrbpy0UsHqzMl4hE2t78UPaqB_47m00\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">PlantUML<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com#plantuml:hLLDRzim3BqRy7yGScctD4MBtOoYo9Ri4630CcItOWTLOXnX-l0aka2nxR-FacmdpWTss2w1-VX4yf6KCW_8FRP6byKLMm9ofK6oXUOXiANYjUU6pTW6UGtiNSLMfj5Wm297vMnPbCNyNmE8H5sq0Pq1ptwM1QC3ehDNoueEUsNhZ5jkO8o0ePHZY4lf8OH3S4hOPo_1NxluMx5alAdOYrCo4Mh0X8LhGZ-fW0_9V4pE5wwLv0WVOx98-E2S1au2Vkyr97ul8AKvhZw1IufJiVYRGMeWjg6hQ9ECx427d9GjGIZ3TQf3S2rQJKU_HbyivD3RLpagaF30Nn8sQ1NS2j1xw5Z42i7qGdwqtAB2LvgTHQZ1PxYr2jTU2HYNG5tSjCzuKjr1XhLtiXNOns-o-VT1DoVPOk-S-FxbN8LJ5LPs4zt7tMYRsAFiuiQr5eU3H_kGz5sKmL_Z7fCQGRlcki5FcsnttY515-72vYmyI8KBxkL_2TUnXmvdyxZ3Hx4oQ01tJew9g0pGaffclxLJuUnMUNDw5Qwebplm2kEAbSLmhnz-pMOqUZ2gDJtOyn7ybfFCiZXfQZfsfZsNg8IkkJwWnGplwLEezEA4Wv8cznD6HoPtjxTl9ztjhLYZSodPxZdtUqww71MZ3j1ZPtjcGWVsPDZoYddOWWTxBkXa65N5TloS_hFKRYbYm2XlGRBGKor8W7K8pAjwXynjSy5nO9lkaNbQWvKqsPjuAauGv0tRx5JJn8z5UXVe0VzM5iHZCLZCCGxQISjXwHOnGnrbpy0UsHqzMl4hE2t78UPaqB_47m00\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Ch\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">PlantUML<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com#plantuml:hLNFQzH05Bu7yZyyzjBgjgN5MoXIR4KM2rQt1q4yJ2VJxD3CJ9nCYaKzzU2rnPE8uDA3g1G43y86yP3I_oF_YMycsUncTukNNaBUzxxvte-PUREL6g9D9cBVMuB-zH2kpily0yHb_Ya1Ek1WU3dwQs0L7d72qQlAqL32lG3sDI_pKmb70y9zp_UsRas9nYHDOJjBZH9CmnlV0rn5Qxkt4q3VQ2wZ2fT4i3R21E5n6o9Xg5cQJeDTn9xeaEbbPRy1EEDE0CUAXuuGCUEmT1dHNPwQJMVUTyvZ4lEG6FRG1hE41qh5Z4ZVUpUfmV771RWmizaxS0Tr0h3V2iHEcYojC-exet8OPGXMjiCe5oHsUL0Iqop6fVlMPnEPzewpR2M8U4gE7TRKIecaB9v0iqNq31FZGbvbH1fkJWBeISCYfYiuazpiQKvPEmNiOZyxC7FPJKNOqohCg1dh9vNv_urEvgBPtYbwz7HHXbsUzcJVkcUxaIMsHvMB29L9qooSEG-klXlB82U2IUGeYcTDrHlVJIgxzZO1QeKRJiwsPY4tsqI7jo9NiviEL-PiXsUqAb0mCr1XcsYuO7X8HJ8vjLsgv27NOlugBC5ZlFXW1cN-W_XUSwyttwwkujOpmJCn1Yi-3WW58Gw5zwWnrrMtRa5_Rg8YkaVYAPeDiSkBxpXnx4IQIgcpqG5SqLbVMxlRgMzlO0VPw3VIAdlCsPXmtEK8SCYL-JTIynpMS3lD6G-m4KJOWOYnipdHJhDLg5VyMb3JGkhhCh-4kFXJ5VUi-28ZECZA_2FrFQaC0ysZWG5rM2LiDsnVs_aROJh5a0VmukgCe6Lh-Bm2puiX1JaeHvTo1QxEYWk8C0Al_v7pzUIbxp4PWbMtKTjHwcfjd7wPdqDy_RFCBsmqV1Fif5UGeFe5T--3XC4rFWNhxiauXODYADlYMsZWo_8F\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\n' S\u01a1 \u0111\u1ed3 l\u1edbp chi ti\u1ebft - Giai \u0111o\u1ea1n 3: Tri\u1ec3n khai\r\n\r\n@startuml\r\n' S\u01a1 \u0111\u1ed3 l\u1edbp chi ti\u1ebft - Giai \u0111o\u1ea1n 3: Tri\u1ec3n khai\r\n\r\nclass Customer {\r\n  - customerID: String\r\n  - name: String\r\n  - email: String\r\n  - address: String\r\n  +addOrder(order: Order): void\r\n  +getOrders(): List&lt;Order&gt;\r\n  +validateEmail(): Boolean\r\n}\r\n\r\nclass Order {\r\n  - orderID: String\r\n  - orderDate: Date\r\n  - status: OrderStatus\r\n  - total: Decimal\r\n  +calculateTotal(): Decimal\r\n  +validate(): Boolean\r\n  +save(): void\r\n  +cancel(): void\r\n}\r\n\r\nclass OrderItem {\r\n  - quantity: Integer\r\n  - unitPrice: Decimal\r\n  +getSubtotal(): Decimal\r\n}\r\n\r\nclass Product {\r\n  - productID: String\r\n  - name: String\r\n  - price: Decimal\r\n  - stockQuantity: Integer\r\n  +isInStock(): Boolean\r\n  +updateStock(amount: Integer): void\r\n  +getPrice(): Decimal\r\n}\r\n\r\nclass PaymentProcessor {\r\n  +processPayment(amount: Decimal): Boolean\r\n}\r\n\r\nclass CreditCardProcessor {\r\n  +processPayment(amount: Decimal): Boolean\r\n}\r\n\r\nclass Payment {\r\n  - paymentID: String\r\n  - amount: Decimal\r\n  - method: String\r\n  - timestamp: Date\r\n  +confirm(): Boolean\r\n}\r\n\r\n' K\u1ebf th\u1eeba\r\nCustomer &lt;|-- PremiumCustomer\r\n\r\n' Giao di\u1ec7n\r\nPaymentProcessor &lt;|-- CreditCardProcessor\r\nPaymentProcessor &lt;|-- PayPalProcessor\r\n\r\n' Li\u00ean k\u1ebft\r\nCustomer \"1\" -- \"0..*\" Order : \u0111\u1eb7t\r\nOrder \"1\" -- \"1..*\" OrderItem : ch\u1ee9a\r\nOrderItem \"1\" -- \"1\" Product : tham chi\u1ebfu\r\nOrder \"1\" -- \"1\" Payment : c\u00f3\r\nPaymentProcessor \"1\" -- \"1\" Payment : x\u1eed l\u00fd\r\n\r\n' R\u00e0ng bu\u1ed9c\r\nnote right of Order\r\n  Tr\u1ea1ng th\u00e1i: [\u0110ang ch\u1edd, X\u00e1c nh\u1eadn, \u0110\u00e3 g\u1eedi, \u0110\u00e3 h\u1ee7y]\r\nend note\r\n\r\nnote right of Product\r\n  S\u1ed1 l\u01b0\u1ee3ng t\u1ed3n kho ph\u1ea3i l\u1edbn h\u01a1n 0 \u0111\u1ec3 b\u00e1n\r\nend note\r\n\r\n@enduml\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com#plantuml:hLNFQzH05Bu7yZyyzjBgjgN5MoXIR4KM2rQt1q4yJ2VJxD3CJ9nCYaKzzU2rnPE8uDA3g1G43y86yP3I_oF_YMycsUncTukNNaBUzxxvte-PUREL6g9D9cBVMuB-zH2kpily0yHb_Ya1Ek1WU3dwQs0L7d72qQlAqL32lG3sDI_pKmb70y9zp_UsRas9nYHDOJjBZH9CmnlV0rn5Qxkt4q3VQ2wZ2fT4i3R21E5n6o9Xg5cQJeDTn9xeaEbbPRy1EEDE0CUAXuuGCUEmT1dHNPwQJMVUTyvZ4lEG6FRG1hE41qh5Z4ZVUpUfmV771RWmizaxS0Tr0h3V2iHEcYojC-exet8OPGXMjiCe5oHsUL0Iqop6fVlMPnEPzewpR2M8U4gE7TRKIecaB9v0iqNq31FZGbvbH1fkJWBeISCYfYiuazpiQKvPEmNiOZyxC7FPJKNOqohCg1dh9vNv_urEvgBPtYbwz7HHXbsUzcJVkcUxaIMsHvMB29L9qooSEG-klXlB82U2IUGeYcTDrHlVJIgxzZO1QeKRJiwsPY4tsqI7jo9NiviEL-PiXsUqAb0mCr1XcsYuO7X8HJ8vjLsgv27NOlugBC5ZlFXW1cN-W_XUSwyttwwkujOpmJCn1Yi-3WW58Gw5zwWnrrMtRa5_Rg8YkaVYAPeDiSkBxpXnx4IQIgcpqG5SqLbVMxlRgMzlO0VPw3VIAdlCsPXmtEK8SCYL-JTIynpMS3lD6G-m4KJOWOYnipdHJhDLg5VyMb3JGkhhCh-4kFXJ5VUi-28ZECZA_2FrFQaC0ysZWG5rM2LiDsnVs_aROJh5a0VmukgCe6Lh-Bm2puiX1JaeHvTo1QxEYWk8C0Al_v7pzUIbxp4PWbMtKTjHwcfjd7wPdqDy_RFCBsmqV1Fif5UGeFe5T--3XC4rFWNhxiauXODYADlYMsZWo_8F\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com#plantuml:hLLDRzim3BqRy7yGScctD4MBtOoYo9Ri4630CcItOWTLOXnX-l0aka2nxR-FacmdpWTss2w1-VX4yf6KCW_8FRP6byKLMm9ofK6oXUOXiANYjUU6pTW6UGtiNSLMfj5Wm297vMnPbCNyNmE8H5sq0Pq1ptwM1QC3ehDNoueEUsNhZ5jkO8o0ePHZY4lf8OH3S4hOPo_1NxluMx5alAdOYrCo4Mh0X8LhGZ-fW0_9V4pE5wwLv0WVOx98-E2S1au2Vkyr97ul8AKvhZw1IufJiVYRGMeWjg6hQ9ECx427d9GjGIZ3TQf3S2rQJKU_HbyivD3RLpagaF30Nn8sQ1NS2j1xw5Z42i7qGdwqtAB2LvgTHQZ1PxYr2jTU2HYNG5tSjCzuKjr1XhLtiXNOns-o-VT1DoVPOk-S-FxbN8LJ5LPs4zt7tMYRsAFiuiQr5eU3H_kGz5sKmL_Z7fCQGRlcki5FcsnttY515-72vYmyI8KBxkL_2TUnXmvdyxZ3Hx4oQ01tJew9g0pGaffclxLJuUnMUNDw5Qwebplm2kEAbSLmhnz-pMOqUZ2gDJtOyn7ybfFCiZXfQZfsfZsNg8IkkJwWnGplwLEezEA4Wv8cznD6HoPtjxTl9ztjhLYZSodPxZdtUqww71MZ3j1ZPtjcGWVsPDZoYddOWWTxBkXa65N5TloS_hFKRYbYm2XlGRBGKor8W7K8pAjwXynjSy5nO9lkaNbQWvKqsPjuAauGv0tRx5JJn8z5UXVe0VzM5iHZCLZCCGxQISjXwHOnGnrbpy0UsHqzMl4hE2t78UPaqB_47m00\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Ch\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<blockquote>\n<p>\u2705\u00a0<strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong>: Chuy\u1ec3n giao cho nh\u00e0 ph\u00e1t tri\u1ec3n, sinh m\u00e3 t\u1ef1 \u0111\u1ed9ng, t\u00e0i li\u1ec7u thi\u1ebft k\u1ebf.<\/p>\n<\/blockquote>\n<hr\/>\n<h2>\ud83d\udee0\ufe0f 4.\u00a0<strong>Giai \u0111o\u1ea1n 4: B\u1ea3o tr\u00ec v\u00e0 Ph\u00e1t tri\u1ec3n (Sau ph\u00e1t h\u00e0nh)<\/strong><\/h2>\n<h3>\ud83c\udfaf M\u1ee5c \u0111\u00edch:<\/h3>\n<ul>\n<li>Ph\u1ea3n \u00e1nh\u00a0<strong>nh\u1eefng thay \u0111\u1ed5i th\u1ef1c t\u1ebf<\/strong>trong h\u1ec7 th\u1ed1ng.<\/li>\n<li>T\u00e0i li\u1ec7u\u00a0<strong>t\u00e1i c\u1ea5u tr\u00fac<\/strong>,\u00a0<strong>c\u00e1c t\u00ednh n\u0103ng b\u1ecb lo\u1ea1i b\u1ecf<\/strong>,\u00a0<strong>t\u00ednh n\u0103ng m\u1edbi<\/strong>.<\/li>\n<li>H\u1ed7 tr\u1ee3\u00a0<strong>theo d\u00f5i n\u1ee3 k\u1ef9 thu\u1eadt<\/strong>\u00a0v\u00e0\u00a0<strong>hi\u1ec3u bi\u1ebft v\u1ec1 h\u1ec7 th\u1ed1ng<\/strong>.<\/li>\n<\/ul>\n<h3>\ud83d\udd0d \u0110\u1eb7c \u0111i\u1ec3m:<\/h3>\n<ul>\n<li>C\u00f3 th\u1ec3 bao g\u1ed3m\u00a0<strong>b\u1ecb lo\u1ea1i b\u1ecf<\/strong>\u00a0l\u1edbp\/ph\u01b0\u01a1ng th\u1ee9c.<\/li>\n<li>Hi\u1ec7n\u00a0<strong>l\u1edbp m\u1edbi<\/strong>,\u00a0<strong>c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ed5i t\u00ean<\/strong>,\u00a0<strong>c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u00e3 b\u1ecb x\u00f3a<\/strong>.<\/li>\n<li>S\u1eed d\u1ee5ng\u00a0<strong>c\u00e1c ki\u1ec3u h\u00ecnh th\u1ee9c<\/strong>\u00a0(<code data-backticks=\"1\">&lt;&lt;b\u1ecb lo\u1ea1i b\u1ecf&gt;&gt;<\/code>,\u00a0<code data-backticks=\"1\">&lt;&lt;singleton&gt;&gt;<\/code>,\u00a0<code data-backticks=\"1\">&lt;&lt;nh\u00e0_m\u00e1y&gt;&gt;<\/code>).<\/li>\n<li>Th\u01b0\u1eddng\u00a0<strong>\u0111\u01a1n_gi\u1ea3n_h\u00f3a<\/strong>\u00a0\u0111\u1ec3 d\u1ec5_\u0111\u1ecdc.<\/li>\n<\/ul>\n<h3>\ud83d\udccc V\u00ed_d\u1ee5: H\u1ec7_th\u1ed1ng Th\u01b0\u01a1ng_m\u1ea1i_\u0110i\u1ec7n_t\u1eed (Giai_\u0111o\u1ea1n B\u1ea3o_tr\u00ec)<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/uml.planttext.com\/plantuml\/png\/hLR1Rjim3Bq7o3yGkTHTacAx1a7GBiM00XiMBBqDEwWMasYm9KEIindR_dsKPDcnunO1saDRYQB8zoZorRV6CctBF1kFhk0R7bbU88SDgtAK5hQLiPWlO6irixYlO0gVM6gLhiZ5MjHoF1gFRjyWnXKyI5hlM8hZKPenOsA0ZLOf6gCq_1cF0AP5sDUd2SjLAUq2xZ4LESkk5_1HgGmPHVqN0g-LJ3LQZ0W4cfXYhP4BksQQlp9BWtZ3iZS9HLX5WQ_cVbRfuT96jv25gaLrQWuJMnNetq_8FUNeN_PtzcZlZanax2d3H_8t2Nb-5iOkmxrL0scB-YXI17jW5ag3XbO8fkwEYF2hvgYZguSrXo9cV0P3mErl9cbfhCgHNDVrQWQ2-j3KgBpN0nbMXDDlV0Y3jXywUI4jtJqgmHjkiUVfHzYgL-s6HjW-tCUQ1dFlCOCnHtjGlEjeHOuqSNb1liGtK5To9tIU3BL_pH-Ov84f94RaHIPs0lbrCmhHhKOP2zY7ALcENGlczEwdfYdZFBo2Sh_h-ZQr2jtYRMsN-EsgCm81Qmt7H-fZyKPNWxOIS-eaPajJ9ztwJLqtPLdMgUyqPLbQPdJrqPqvCAUdHvO9JeUTghecOKTlQ-YaJAQO9VrksDB8eNBJOs17Cqoqj6-BCsLRBaLKlnKLOKYMbiiu8iwZhpJTqxvudDqT7FxbSXTMpgapVtG_hDn9qEe34XL7-qJO6v4PnFztFXyOspCYmsvdZ8RTJYKlg85fLSCyJttoOG8KqFqvUvj5Z1J2TmhZvOkrAI3XMA3aADCAXFo9gHLANlVA-N8s5_EvL4ufwqUYTWPIgpRtvKaYQsBcP6DVQWfz5AohOO690ILFSyJJIpdSaIKLp9M1B8t8nEllRsxUJUf9Nq2HqG2OcaYRelLnWXrWMoPazFJMKq1QyJArvAXnHoCeXu8skCdjm4ppgU0cXOQH35BHDuCM-uC5jMl_HsnhVVc-eVAG5CtSBIU-o6UmFOYYS8krbuGC-O_nYFp01NCvka5h22xibrhf9-tmJ6Om2VFXLc449XU4wp-qHrqMXTAMliky7bsI1nm9U4B0tzRrD8TVWZ2M5dB5nQuYxfqMxIAxfGrz4lu7\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">PlantUML<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com#plantuml:hLPBQnin4BuR_1-4BztKTcYlnfYa3eL0IqETM-b1aMPjbLrfaRHkbxR_lQFNhdUz2ORq44UFUNpVQEQpRuobsjPbCPrC9s_8LpZIiW9E7cXJWhHarnWBvOhihAOMzWsPau-KMQKRDB4Mj7Hkzn9NEMKmdR226fFS7xHYO8pIvFTqCg_2Bjvbj5Irj2jo1qoKjBXQaGzA5K0nuj-0Pgiaqs0XPHTWKeAj1Yxibch-gXmjsWTQ_8T0Y5DKy4hMP_KTBsaoSpcmIbYVzYgpJGN-pOJSOuQXAthimTuUgIZeKm6FQ6qojFiaZ5q7hqqBPmVwA1WGUw2Mr0OChe2Os0y9tHVDGITJXBGaLSescZyWzbuPgurL9Q3XDguMH63NcOZ8MztZmGOn-Wq6C627ORCNKgBdKGdUiahzZN_2DeCQHm9XSt-NAkaE1y_dZagm1yLFZQme0UUghD0EMJgwIkP2bzbOaqVEX4eUs97CYB8gH2w0NxKDdymyjbIoFZX9IpZTGualt1tCAUUXuifznbgsbN4zuK-wNl3RJQ_50q8FmaVf8_17ZdDYliHEeROsCTdERtoDbAN5IHtdZ1QiBj3fqTqu2DtTaHQ2urMlVdD3Z_uamcTKCYYouKllS8X0kOam9CUPH1hQF_cPHgtN8kdO1acFISnwdHhVMGnretyx58Cptz5nNg_pi796lQb2_x1oDq5r3u1K7EqJWMvbOnJ_d-LoP1pFY8oRdJ4QDpiLiJ3dfbC3ypprsViPmO3ktzdRh5Aa4BvN62zAj4j1CWuLI0wIDKJ87y2iKF9gKCwNixcOpwLo-XSV2TkOe19rkIzFabWZCoSE-rfZwAEWVNqAJ0nHyZH7khsKmosUC45T6V2abPBa_kxw-kqiJlQAL0KEW8b4kXITZPFY0DjI8PEbFpq5f1MlcKL33JcEe1mBsk96imCrxTU-cnGSHZoG2h__jTWVB55vKlzTr9Hl3rWSb9w5yt422tn1TWTHLMwnzO9G0Fy-dQ0TSQ5SXdx8260w-HnrVDODpcn1Pc4st2gq_-o2OCD7HiHrLIbjyPULLw9BiY1yyWG4VbdNovpy58YljgHKNEGDikwrPX_L3MxmHzq_\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Ch\u1ec9nh_s\u1eeda PlantUML trong VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">PlantUML<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com#plantuml:hLRFRzis5BuRyFz0-39bJehjAXX1EmVRYdLRqFXGe2W8bc8ieXBfKPG1OzjfXnvwIG_3aCFG645Hz4U03canm3xie23_X_wJFPAIBSbAcw4xnE6Fn_U-z_5xZxgPQA9q6aVTJhVp6VesNpx6EioNJyKOZq8YGgnbDXVuukdbstnvIZ7D5wSSQvul_X4-6ePsW2EtY_he-tpnEiKwNyobSVWD9n877DoAReT694dGFfd5JEXz9IbB4gdGpzrEV-9cnPv7OfaAxQCzHdbCeYqVVILbn0Wu-TKXRKG6NCld5lblPPoXOW7NGwA2Jmgr0hrFel_1qO5MVC8-CVaQoUsiVasebcfc_LF5Y5x7zFHimdoBH8p1U_Ced1WpVMjAU4GUHcm4rea7TdTueWVkrEuAobw-V493F3Nq9_do30Sm0l7G-lsKC7zK0LC7J4qvPGRR3fgKOLk1EEZsb4VJHCkOWU6m66qZhbcS5D2irMrOs0MmTW8E4gQRRhqFX8IJKyc3LNeZKDHVr0chMX0DsejKtEJsNackMMpSfbcAcGvbK3NIF6PGYV44x21VaxWKXrp5NiljVnTcSw0yp4w0vsbsWY-EBg54xHnvKAam6GFxfsRjd6oj2g9WpO4jsQoZ5IHcrJcBGGNhXJu90dSPqlmMDAz8CxgnAskzsEbkhGJiaWDXlTGHs2L3Gad53W9cT9eKmGxin98cDOagnFOfYMWQmQ6HsJ4GrdjJ4l40jcg4zXCojIi5V4e4PP7N5C4G-8OEc2_-1YLaPw01c80ULFOU_auCxescDXXmePaw99JjGlfjpMWmIBG2IEEPiMXscFfkisrid6qj_i7Wq8sCKQtquBmRcHqhAgXMA_FNn2_woqO9joRnoyvEI-5kPDDkjf5Mkva1-0Fe6yVPVERw7bO4KtSlHk_GVvu0_4fzNiL9xyiUWY3ctyQb-QZqxMBMAAjsjpXV7kihGYDFy-nLR3LoJ76KByucMmtwFmoY4kaZECIA5AT8Ar9z9IVNnL1ovIDuxf-dq4RU62TXzWvY_fGMx9IzRnAwjpUr-K93aX-xbF-Q_nqWLE17e4ODAYpRMEdaYnitFkyLNSL7Ze8YrtMWjOrv8KncWFebAUpiMXMKaa5AjH54IEAY4j8Dfolqnbzsxi3UjNtveMMZsn5ICwJuEDH87fQlqaY1pC0869rp7zs_E2BsoSoNVswZUqRL8WJPY6rqSPITuZ7mmOinsBoOFUXsc0YGyMrYrcCKa83iyFBjfGi3gL8VzTO5tDj6FLUZPkJAi7SDhqs9m7KOk964XFZwAn42_e6rWl5reWwpy-A5XRfwXk7OiQanaFOZ9pbGuGjXFo-85Vhl75UbNCTz4oRmGVil\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\n\r\n' H\u1ec7_th\u1ed1ng_Thanh_to\u00e1n_\u0111\u01b0\u1ee3c_c\u1ea3i_ti\u1ebfn: Chi\u1ebfn_l\u01b0\u1ee3c + M\u1eabu_t\u1ea1o\r\n' Giao_di\u1ec7n\r\nclass PaymentProcessor {\r\n+processPayment(amount: Decimal): Boolean\r\n}\r\n\r\n' Chi\u1ebfn_l\u01b0\u1ee3c_c\u1ee5_th\u1ec3\r\nclass CreditCardProcessor {\r\n+processPayment(amount: Decimal): Boolean\r\n}\r\n\r\nclass PayPalProcessor {\r\n+processPayment(amount: Decimal): Boolean\r\n}\r\n\r\nclass StripeProcessor {\r\n+processPayment(amount: Decimal): Boolean\r\n}\r\n\r\n' M\u1eabu_t\u1ea1o\r\nclass PaymentProcessorFactory {\r\n+createProcessor(type: String): PaymentProcessor\r\n+getAvailableTypes(): List&lt;String&gt;\r\n}\r\n\r\n' D\u1ecbch_v\u1ee5_s\u1eed_d\u1ee5ng_chi\u1ebfn_l\u01b0\u1ee3c\r\nclass OrderService {\r\n- processor: PaymentProcessor\r\n+createOrder(customer: Customer, items: List&lt;OrderItem&gt;): Order\r\n+setPaymentProcessor(processor: PaymentProcessor): void\r\n}\r\n\r\n' Th\u1ef1c_th\u1ec3_Thanh_to\u00e1n\r\nclass Payment {\r\n- paymentID: String\r\n- amount: Decimal\r\n- method: String\r\n- timestamp: Date\r\n+confirm(): Boolean\r\n}\r\n\r\n' Kh\u00e1ch_h\u00e0ng_v\u00e0_\u0110\u01a1n_h\u00e0ng (\u0111\u01a1n_gi\u1ea3n_h\u00f3a)\r\nclass Customer {\r\n- customerID: String\r\n- name: String\r\n- email: String\r\n+addOrder(order: Order): void\r\n+getOrders(): List&lt;Order&gt;\r\n}\r\n\r\nclass Order {\r\n- orderID: String\r\n- orderDate: Date\r\n- status: OrderStatus\r\n- total: Decimal\r\n+calculateTotal(): Decimal\r\n+validate(): Boolean\r\n+save(): void\r\n+cancel(): void\r\n}\r\n\r\n' C\u00e1c_\u0111\u1eb7c_t\u00ednh_\u0111\u1ec3_r\u00f5_r\u00e0ng\r\nPaymentProcessor &lt;&lt;interface&gt;&gt;\r\nCreditCardProcessor &lt;&lt;strategy&gt;&gt;\r\nPayPalProcessor &lt;&lt;strategy&gt;&gt;\r\nStripeProcessor &lt;&lt;strategy&gt;&gt;\r\nPaymentProcessorFactory &lt;&lt;factory&gt;&gt;\r\nOrderService &lt;&lt;service&gt;&gt;\r\n\r\n' K\u1ebf_th\u1eeba: M\u1eabu_chi\u1ebfn_l\u01b0\u1ee3c\r\nCreditCardProcessor &lt;|-- PaymentProcessor\r\nPayPalProcessor &lt;|-- PaymentProcessor\r\nStripeProcessor &lt;|-- PaymentProcessor\r\n\r\n' Nh\u00e0_m\u00e1y_t\u1ea1o_ra_c\u00e1c_\u0111\u01a1n_v\u1ecb_thanh_to\u00e1n\r\nPaymentProcessorFactory \"1\" -- \"1\" PaymentProcessor : t\u1ea1o_ra\r\n\r\n' OrderService s\u1eed_d\u1ee5ng_m\u1ed9t_\u0111\u01a1n_v\u1ecb_thanh_to\u00e1n (ti\u00eam_\u0111\u1ed9c_l\u1eadp)\r\nOrderService \"1\" -- \"1\" PaymentProcessor : s\u1eed_d\u1ee5ng\r\n\r\n' OrderService s\u1eed_d\u1ee5ng_nh\u00e0_m\u00e1y_\u0111\u1ec3_\u0111\u1eb7t_\u0111\u01a1n_v\u1ecb_thanh_to\u00e1n\r\nOrderService \"1\" -- \"1\" PaymentProcessorFactory : c\u1ea5u_h\u00ecnh_th\u00f4ng_qua\r\n\r\n' Payment ph\u1ee5_thu\u1ed9c_v\u00e0o_\u0111\u01a1n_v\u1ecb_thanh_to\u00e1n\r\nPayment \"1\" -- \"1\" PaymentProcessor : s\u1eed_d\u1ee5ng\r\n\r\n' Li\u00ean_k\u1ebft\r\nCustomer \"1\" -- \"0..*\" Order : \u0111\u1eb7t\r\nOrder \"1\" -- \"1..*\" OrderItem : ch\u1ee9a\r\nOrderItem \"1\" -- \"1\" Product : tham_chi\u1ebfu\r\nOrder \"1\" -- \"1\" Payment : c\u00f3\r\n\r\n' R\u00e0ng_bu\u1ed9c\r\nnote right of Order\r\nTr\u1ea1ng_th\u00e1i: [\u0110ang_ch\u1edd, X\u00e1c_nh\u1eadn, \u0110\u00e3_g\u1eedi, \u0110\u00e3_h\u1ee7y]\r\nend note\r\n\r\nnote right of Payment\r\nPh\u01b0\u01a1ng_th\u1ee9c: \"CreditCard\", \"PayPal\", \"Stripe\"\r\nend note\r\n\r\nnote right of PaymentProcessorFactory\r\nC\u00e1c_lo\u1ea1i_\u0111\u01b0\u1ee3c_h\u1ed7_tr\u1ee3: \"CreditCard\", \"PayPal\", \"Stripe\"\r\nC\u00f3_th\u1ec3_m\u1edf_r\u1ed9ng_m\u00e0_kh\u00f4ng_c\u1ea7n_s\u1eeda_\u0111\u1ed5i_OrderService\r\nend note\r\n\r\n@enduml<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com#plantuml:hLRFRzis5BuRyFz0-39bJehjAXX1EmVRYdLRqFXGe2W8bc8ieXBfKPG1OzjfXnvwIG_3aCFG645Hz4U03canm3xie23_X_wJFPAIBSbAcw4xnE6Fn_U-z_5xZxgPQA9q6aVTJhVp6VesNpx6EioNJyKOZq8YGgnbDXVuukdbstnvIZ7D5wSSQvul_X4-6ePsW2EtY_he-tpnEiKwNyobSVWD9n877DoAReT694dGFfd5JEXz9IbB4gdGpzrEV-9cnPv7OfaAxQCzHdbCeYqVVILbn0Wu-TKXRKG6NCld5lblPPoXOW7NGwA2Jmgr0hrFel_1qO5MVC8-CVaQoUsiVasebcfc_LF5Y5x7zFHimdoBH8p1U_Ced1WpVMjAU4GUHcm4rea7TdTueWVkrEuAobw-V493F3Nq9_do30Sm0l7G-lsKC7zK0LC7J4qvPGRR3fgKOLk1EEZsb4VJHCkOWU6m66qZhbcS5D2irMrOs0MmTW8E4gQRRhqFX8IJKyc3LNeZKDHVr0chMX0DsejKtEJsNackMMpSfbcAcGvbK3NIF6PGYV44x21VaxWKXrp5NiljVnTcSw0yp4w0vsbsWY-EBg54xHnvKAam6GFxfsRjd6oj2g9WpO4jsQoZ5IHcrJcBGGNhXJu90dSPqlmMDAz8CxgnAskzsEbkhGJiaWDXlTGHs2L3Gad53W9cT9eKmGxin98cDOagnFOfYMWQmQ6HsJ4GrdjJ4l40jcg4zXCojIi5V4e4PP7N5C4G-8OEc2_-1YLaPw01c80ULFOU_auCxescDXXmePaw99JjGlfjpMWmIBG2IEEPiMXscFfkisrid6qj_i7Wq8sCKQtquBmRcHqhAgXMA_FNn2_woqO9joRnoyvEI-5kPDDkjf5Mkva1-0Fe6yVPVERw7bO4KtSlHk_GVvu0_4fzNiL9xyiUWY3ctyQb-QZqxMBMAAjsjpXV7kihGYDFy-nLR3LoJ76KByucMmtwFmoY4kaZECIA5AT8Ar9z9IVNnL1ovIDuxf-dq4RU62TXzWvY_fGMx9IzRnAwjpUr-K93aX-xbF-Q_nqWLE17e4ODAYpRMEdaYnitFkyLNSL7Ze8YrtMWjOrv8KncWFebAUpiMXMKaa5AjH54IEAY4j8Dfolqnbzsxi3UjNtveMMZsn5ICwJuEDH87fQlqaY1pC0869rp7zs_E2BsoSoNVswZUqRL8WJPY6rqSPITuZ7mmOinsBoOFUXsc0YGyMrYrcCKa83iyFBjfGi3gL8VzTO5tDj6FLUZPkJAi7SDhqs9m7KOk964XFZwAn42_e6rWl5reWwpy-A5XRfwXk7OiQanaFOZ9pbGuGjXFo-85Vhl75UbNCTz4oRmGVil\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com#plantuml:hLPBQnin4BuR_1-4BztKTcYlnfYa3eL0IqETM-b1aMPjbLrfaRHkbxR_lQFNhdUz2ORq44UFUNpVQEQpRuobsjPbCPrC9s_8LpZIiW9E7cXJWhHarnWBvOhihAOMzWsPau-KMQKRDB4Mj7Hkzn9NEMKmdR226fFS7xHYO8pIvFTqCg_2Bjvbj5Irj2jo1qoKjBXQaGzA5K0nuj-0Pgiaqs0XPHTWKeAj1Yxibch-gXmjsWTQ_8T0Y5DKy4hMP_KTBsaoSpcmIbYVzYgpJGN-pOJSOuQXAthimTuUgIZeKm6FQ6qojFiaZ5q7hqqBPmVwA1WGUw2Mr0OChe2Os0y9tHVDGITJXBGaLSescZyWzbuPgurL9Q3XDguMH63NcOZ8MztZmGOn-Wq6C627ORCNKgBdKGdUiahzZN_2DeCQHm9XSt-NAkaE1y_dZagm1yLFZQme0UUghD0EMJgwIkP2bzbOaqVEX4eUs97CYB8gH2w0NxKDdymyjbIoFZX9IpZTGualt1tCAUUXuifznbgsbN4zuK-wNl3RJQ_50q8FmaVf8_17ZdDYliHEeROsCTdERtoDbAN5IHtdZ1QiBj3fqTqu2DtTaHQ2urMlVdD3Z_uamcTKCYYouKllS8X0kOam9CUPH1hQF_cPHgtN8kdO1acFISnwdHhVMGnretyx58Cptz5nNg_pi796lQb2_x1oDq5r3u1K7EqJWMvbOnJ_d-LoP1pFY8oRdJ4QDpiLiJ3dfbC3ypprsViPmO3ktzdRh5Aa4BvN62zAj4j1CWuLI0wIDKJ87y2iKF9gKCwNixcOpwLo-XSV2TkOe19rkIzFabWZCoSE-rfZwAEWVNqAJ0nHyZH7khsKmosUC45T6V2abPBa_kxw-kqiJlQAL0KEW8b4kXITZPFY0DjI8PEbFpq5f1MlcKL33JcEe1mBsk96imCrxTU-cnGSHZoG2h__jTWVB55vKlzTr9Hl3rWSb9w5yt422tn1TWTHLMwnzO9G0Fy-dQ0TSQ5SXdx8260w-HnrVDODpcn1Pc4st2gq_-o2OCD7HiHrLIbjyPULLw9BiY1yyWG4VbdNovpy58YljgHKNEGDikwrPX_L3MxmHzq_\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Ch\u1ec9nh_s\u1eeda PlantUML trong VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<blockquote>\n<p>\u2705\u00a0<strong>Tr\u01b0\u1eddng_h\u1ee3p_s\u1eed_d\u1ee5ng<\/strong>: \u0110\u01b0a_\u0111\u1ed9i_ng\u0169_l\u1eadp_tr\u00ecnh_m\u1edbi_v\u00e0o_h\u1ec7_th\u1ed1ng, t\u00e1i_c\u1ea5u_tr\u00fac_h\u1ec7_th\u1ed1ng, theo_d\u00f5i_l\u1ecbch_s\u1eed.<\/p>\n<\/blockquote>\n<hr\/>\n<h2>\ud83d\udd04 T\u00f3m_l\u01b0\u1ee3c: S\u1ef1_ph\u00e1t_tri\u1ec3n_c\u1ee7a_S\u01a1_\u0111\u1ed3_L\u1edbp<\/h2>\n<table>\n<thead>\n<tr>\n<th>Giai_\u0111o\u1ea1n<\/th>\n<th>Tr\u1ecdng_t\u00e2m<\/th>\n<th>M\u1ee9c_\u0111\u1ed9_chi_ti\u1ebft<\/th>\n<th>C\u00e1c_y\u1ebfu_t\u1ed1_ch\u00ednh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1. Y\u00eau_c\u1ea7u<\/td>\n<td>C\u00e1c_nh\u1eadn_th\u1ee9c_\u0111\u1ecba_v\u1ef1c<\/td>\n<td>C\u1ea5p_cao<\/td>\n<td>C\u00e1c_\u0111\u1ed1i_t\u01b0\u1ee3ng, li\u00ean_k\u1ebft<\/td>\n<\/tr>\n<tr>\n<td>2. Ph\u00e2n_t\u00edch<\/td>\n<td>C\u1ea5u_tr\u00fac_h\u1ec7_th\u1ed1ng<\/td>\n<td>Trung_b\u00ecnh<\/td>\n<td>Thu\u1ed9c_t\u00ednh, thao_t\u00e1c, giao_di\u1ec7n<\/td>\n<\/tr>\n<tr>\n<td>3. Tri\u1ec3n_khai<\/td>\n<td>S\u1eb5n_s\u00e0ng_m\u00e3_ngu\u1ed3n<\/td>\n<td>Cao<\/td>\n<td>Lo\u1ea1i, b\u1ed9_ph\u1eadn_truy_c\u1eadp, m\u1eabu<\/td>\n<\/tr>\n<tr>\n<td>4. B\u1ea3o tr\u00ec<\/td>\n<td>S\u1ef1 ti\u1ebfn h\u00f3a c\u1ee7a h\u1ec7 th\u1ed1ng<\/td>\n<td>Th\u00edch \u1ee9ng<\/td>\n<td>C\u00e1c ki\u1ec3u h\u00ecnh, c\u00e1c t\u00ednh n\u0103ng b\u1ecb lo\u1ea1i b\u1ecf, \u0111\u01a1n gi\u1ea3n h\u00f3a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr\/>\n<h2>\ud83d\udee0\ufe0f M\u1eb9o s\u1eed d\u1ee5ng PlantUML<\/h2>\n<ul>\n<li>S\u1eed d\u1ee5ng\u00a0<code data-backticks=\"1\">@startuml<\/code>\u00a0v\u00e0\u00a0<code data-backticks=\"1\">@enduml<\/code>\u00a0\u0111\u1ec3 bao b\u1ecdc c\u00e1c s\u01a1 \u0111\u1ed3.<\/li>\n<li>S\u1eed d\u1ee5ng\u00a0<code data-backticks=\"1\">&lt;&lt;ki\u1ec3u h\u00ecnh&gt;&gt;<\/code>\u00a0\u0111\u1ec3 d\u00f9ng cho c\u00e1c m\u1eabu thi\u1ebft k\u1ebf ho\u1eb7c d\u1eef li\u1ec7u m\u00f4 t\u1ea3.<\/li>\n<li>S\u1eed d\u1ee5ng\u00a0<code data-backticks=\"1\">note right of<\/code>\u00a0\u0111\u1ec3 ghi ch\u00fa t\u00e0i li\u1ec7u.<\/li>\n<li>S\u1eed d\u1ee5ng\u00a0<code data-backticks=\"1\">+<\/code>,\u00a0<code data-backticks=\"1\">-<\/code>,\u00a0<code data-backticks=\"1\">#<\/code>\u00a0\u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 hi\u1ec3n th\u1ecb (<code data-backticks=\"1\">c\u00f4ng khai<\/code>,\u00a0<code data-backticks=\"1\">ri\u00eang t\u01b0<\/code>,\u00a0<code data-backticks=\"1\">b\u1ea3o v\u1ec7<\/code>).<\/li>\n<li>S\u1eed d\u1ee5ng\u00a0<code data-backticks=\"1\">&lt;&lt;giao di\u1ec7n&gt;&gt;<\/code>,\u00a0<code data-backticks=\"1\">&lt;&lt;tr\u1eebu t\u01b0\u1ee3ng&gt;&gt;<\/code>,\u00a0<code data-backticks=\"1\">&lt;&lt;singleton&gt;&gt;<\/code>\u00a0\u0111\u1ec3 r\u00f5 r\u00e0ng.<\/li>\n<li>T\u1ea1o h\u00ecnh \u1ea3nh th\u00f4ng qua\u00a0<a href=\"https:\/\/www.plantuml.com\/plantuml\/\">PlantUML Online<\/a>\u00a0ho\u1eb7c c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng IDE (VS Code, IntelliJ).<\/li>\n<\/ul>\n<hr\/>\n<h2>\ud83d\udcda Nh\u1eefng suy ngh\u0129 cu\u1ed1i c\u00f9ng<\/h2>\n<p>S\u01a1 \u0111\u1ed3 l\u1edbp l\u00e0\u00a0<strong>kh\u00f4ng t\u0129nh<\/strong>\u00a0\u2014 ch\u00fang\u00a0<strong>ph\u00e1t tri\u1ec3n c\u00f9ng d\u1ef1 \u00e1n<\/strong>. S\u1eed d\u1ee5ng ch\u00fang m\u1ed9t c\u00e1ch chi\u1ebfn l\u01b0\u1ee3c:<\/p>\n<ul>\n<li><strong>S\u1edbm<\/strong>: Giao ti\u1ebfp v\u1edbi c\u00e1c b\u00ean li\u00ean quan kh\u00f4ng chuy\u00ean v\u1ec1 k\u1ef9 thu\u1eadt.<\/li>\n<li><strong>Gi\u1eefa<\/strong>: \u0110\u1ed3ng thu\u1eadn gi\u1eefa c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n v\u1ec1 ki\u1ebfn tr\u00fac.<\/li>\n<li><strong>Cu\u1ed1i<\/strong>: H\u01b0\u1edbng d\u1eabn tri\u1ec3n khai v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng m\u00e3 ngu\u1ed3n.<\/li>\n<li><strong>Sau khi ph\u00e1t h\u00e0nh<\/strong>: Duy tr\u00ec ki\u1ebfn th\u1ee9c v\u1ec1 h\u1ec7 th\u1ed1ng.<\/li>\n<\/ul>\n<blockquote>\n<p>\u2705\u00a0<strong>M\u1eb9o chuy\u00ean gia<\/strong>: Ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n c\u00e1c t\u1ec7p PlantUML c\u00f9ng v\u1edbi m\u00e3 ngu\u1ed3n \u2014 ch\u00fang l\u00e0 t\u00e0i li\u1ec7u s\u1ed1ng \u0111\u1ed9ng!<\/p>\n<\/blockquote>\n<hr\/>\n<h2 dir=\"auto\">\u2705 K\u1ebft lu\u1eadn: Thi\u1ebft k\u1ebf kh\u00f4ng ch\u1ec9 l\u00e0 c\u00e1c l\u1edbp, m\u00e0 c\u00f2n l\u00e0 h\u1ec7 th\u1ed1ng<\/h2>\n<p dir=\"auto\">S\u01a1 \u0111\u1ed3 l\u1edbp kh\u00f4ng ch\u1ec9 l\u00e0 s\u01a1 \u0111\u1ed3 \u2014 ch\u00fang l\u00e0<strong>b\u1ea3n \u0111\u1ed3 c\u1ee7a \u00fd \u0111\u1ecbnh<\/strong>, <strong>b\u1ea3n v\u1ebd ph\u00e1c th\u1ea3o c\u1ee7a s\u1ef1 h\u1ee3p t\u00e1c<\/strong>, v\u00e0 <strong>nh\u1eefng b\u1ea3n ghi s\u1ed1ng \u0111\u1ed9ng v\u1ec1 s\u1ef1 ph\u00e1t tri\u1ec3n ki\u1ebfn tr\u00fac<\/strong>. Nh\u01b0 ch\u00fang ta \u0111\u00e3 th\u1ea5y, gi\u00e1 tr\u1ecb c\u1ee7a ch\u00fang kh\u00f4ng n\u1eb1m \u1edf h\u00ecnh th\u1ee9c ban \u0111\u1ea7u, m\u00e0 n\u1eb1m \u1edf c\u00e1ch ch\u00fang <strong>th\u00edch nghi<\/strong> trong su\u1ed1t v\u00f2ng \u0111\u1eddi ph\u00e1t tri\u1ec3n \u2014 t\u1eeb nh\u1eefng tr\u1eebu t\u01b0\u1ee3ng c\u1ea5p cao c\u1ee7a y\u00eau c\u1ea7u \u0111\u1ebfn nh\u1eefng m\u00f4 h\u00ecnh ch\u00ednh x\u00e1c, s\u1eb5n s\u00e0ng tri\u1ec3n khai \u1edf giai \u0111o\u1ea1n thi\u1ebft k\u1ebf cu\u1ed1i.<\/p>\n<p dir=\"auto\">H\u00e0nh tr\u00ecnh t\u1eeb c\u00e1c l\u1edbp x\u1eed l\u00fd t\u00e1ch bi\u1ec7t \u0111\u1ebfn m\u1ed9t h\u1ec7 th\u1ed1ng k\u1ebft n\u1ed1i, \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi chi\u1ebfn l\u01b0\u1ee3c, minh ch\u1ee9ng cho m\u1ed9t ch\u00e2n l\u00fd c\u01a1 b\u1ea3n: <strong>thi\u1ebft k\u1ebf t\u1ed1t kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 \u0111\u1ecbnh ngh\u0129a c\u00e1c th\u00e0nh ph\u1ea7n \u2014 m\u00e0 l\u00e0 \u0111\u1ecbnh ngh\u0129a c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau<\/strong>. Khi <code class=\"codespan cursor-pointer\">CreditCardProcessor<\/code>, <code class=\"codespan cursor-pointer\">PayPalProcessor<\/code>, v\u00e0 <code class=\"codespan cursor-pointer\">StripeProcessor<\/code> \u0111\u01b0\u1ee3c coi l\u00e0 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c thay th\u1ebf cho nhau \u2014 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ph\u1ed1i b\u1edfi m\u1ed9t nh\u00e0 m\u00e1y v\u00e0 ch\u00e8n v\u00e0o c\u00e1c d\u1ecbch v\u1ee5 \u2014 s\u01a1 \u0111\u1ed3 kh\u00f4ng c\u00f2n l\u00e0 m\u1ed9t b\u1ee9c \u1ea3nh t\u0129nh. N\u00f3 tr\u1edf th\u00e0nh m\u1ed9t <strong>m\u00f4 h\u00ecnh \u0111\u1ed9ng v\u1ec1 t\u00ednh linh ho\u1ea1t<\/strong>, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng, v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec.<\/p>\n<p dir=\"auto\">B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c m\u1eabu nh\u01b0 <strong>Chi\u1ebfn l\u01b0\u1ee3c<\/strong>, <strong>Nh\u00e0 m\u00e1y<\/strong>, v\u00e0 <strong>Ch\u00e8n ph\u1ee5 thu\u1ed9c<\/strong>, ch\u00fang ta bi\u1ebfn c\u00e1c l\u1edbp t\u00e1ch bi\u1ec7t th\u00e0nh m\u1ed9t h\u1ec7 sinh th\u00e1i th\u1ed1ng nh\u1ea5t, d\u1ec5 m\u1edf r\u1ed9ng. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 v\u1ec1 nh\u1eefng s\u01a1 \u0111\u1ed3 t\u1ed1t h\u01a1n \u2014 m\u00e0 l\u00e0 x\u00e2y d\u1ef1ng ph\u1ea7n m\u1ec1m t\u1ed1t h\u01a1n. N\u00f3 gi\u00fap c\u00e1c \u0111\u1ed9i ng\u0169:<\/p>\n<ul dir=\"auto\">\n<li class=\"text-start\">Th\u00eam ph\u01b0\u01a1ng th\u1ee9c thanh to\u00e1n m\u1edbi m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i m\u00e3 ngu\u1ed3n hi\u1ec7n c\u00f3.<\/li>\n<li class=\"text-start\">Ki\u1ec3m th\u1eed h\u00e0nh vi m\u1ed9t c\u00e1ch \u0111\u1ed9c l\u1eadp.<\/li>\n<li class=\"text-start\">Ph\u00e1t tri\u1ec3n h\u1ec7 th\u1ed1ng m\u1ed9t c\u00e1ch t\u1ef1 tin, ngay c\u1ea3 nhi\u1ec1u n\u0103m sau khi ra m\u1eaft.<\/li>\n<\/ul>\n<p dir=\"auto\">Cu\u1ed1i c\u00f9ng, nh\u1eefng s\u01a1 \u0111\u1ed3 l\u1edbp m\u1ea1nh m\u1ebd nh\u1ea5t kh\u00f4ng ph\u1ea3i l\u00e0 nh\u1eefng s\u01a1 \u0111\u1ed3 th\u1ec3 hi\u1ec7n chi ti\u1ebft t\u1eebng tr\u01b0\u1eddng v\u00e0 ph\u01b0\u01a1ng th\u1ee9c \u2014 m\u00e0 l\u00e0 nh\u1eefng s\u01a1 \u0111\u1ed3 m\u00e0 <strong>k\u1ec3 m\u1ed9t c\u00e2u chuy\u1ec7n<\/strong>: m\u1ed9t c\u00e2u chuy\u1ec7n v\u1ec1 s\u1ef1 h\u1ee3p t\u00e1c, kh\u1ea3 n\u0103ng th\u00edch nghi, v\u00e0 thi\u1ebft k\u1ebf c\u00f3 t\u1ea7m nh\u00ecn t\u01b0\u01a1ng lai.<\/p>\n<p dir=\"auto\">V\u00ec v\u1eady, khi b\u1ea1n v\u1ebd s\u01a1 \u0111\u1ed3 l\u1edbp ti\u1ebfp theo, h\u00e3y t\u1ef1 h\u1ecfi b\u1ea3n th\u00e2n:<\/p>\n<blockquote dir=\"auto\">\n<p dir=\"auto\"><em>L\u1edbp c\u1ee7a t\u00f4i ch\u1ec9 \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a \u2014 hay ch\u00fang c\u00f3 k\u1ebft n\u1ed1i v\u1edbi nhau?<\/em><br \/>\n<em>Ch\u00fang c\u00f3 t\u00e1ch bi\u1ec7t \u2014 hay ch\u00fang l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n?<\/em><\/p>\n<\/blockquote>\n<p dir=\"auto\">V\u00ec cu\u1ed1i c\u00f9ng, nh\u1eefng s\u01a1 \u0111\u1ed3 l\u1edbp t\u1ed1t nh\u1ea5t kh\u00f4ng ch\u1ec9 m\u00f4 t\u1ea3 h\u1ec7 th\u1ed1ng \u0111ang l\u00e0 g\u00ec \u2014 ch\u00fang<strong>k\u00edch th\u00edch c\u00e1ch m\u00e0 n\u00f3 n\u00ean tr\u1edf th\u00e0nh<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udcd8 Gi\u1edbi thi\u1ec7u: T\u1eeb c\u00e1c th\u00e0nh ph\u1ea7n t\u00e1ch bi\u1ec7t \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng k\u1ebft n\u1ed1i \u2014 S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a s\u01a1 \u0111\u1ed3 l\u1edbp Trong th\u1ebf gi\u1edbi ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m,&hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","fifu_image_url":"https:\/\/uml.planttext.com\/plantuml\/png\/hLR1Rjim3Bq7o3yGkTHTacAx1a7GBiM00XiMBBqDEwWMasYm9KEIindR_dsKPDcnunO1saDRYQB8zoZorRV6CctBF1kFhk0R7bbU88SDgtAK5hQLiPWlO6irixYlO0gVM6gLhiZ5MjHoF1gFRjyWnXKyI5hlM8hZKPenOsA0ZLOf6gCq_1cF0AP5sDUd2SjLAUq2xZ4LESkk5_1HgGmPHVqN0g-LJ3LQZ0W4cfXYhP4BksQQlp9BWtZ3iZS9HLX5WQ_cVbRfuT96jv25gaLrQWuJMnNetq_8FUNeN_PtzcZlZanax2d3H_8t2Nb-5iOkmxrL0scB-YXI17jW5ag3XbO8fkwEYF2hvgYZguSrXo9cV0P3mErl9cbfhCgHNDVrQWQ2-j3KgBpN0nbMXDDlV0Y3jXywUI4jtJqgmHjkiUVfHzYgL-s6HjW-tCUQ1dFlCOCnHtjGlEjeHOuqSNb1liGtK5To9tIU3BL_pH-Ov84f94RaHIPs0lbrCmhHhKOP2zY7ALcENGlczEwdfYdZFBo2Sh_h-ZQr2jtYRMsN-EsgCm81Qmt7H-fZyKPNWxOIS-eaPajJ9ztwJLqtPLdMgUyqPLbQPdJrqPqvCAUdHvO9JeUTghecOKTlQ-YaJAQO9VrksDB8eNBJOs17Cqoqj6-BCsLRBaLKlnKLOKYMbiiu8iwZhpJTqxvudDqT7FxbSXTMpgapVtG_hDn9qEe34XL7-qJO6v4PnFztFXyOspCYmsvdZ8RTJYKlg85fLSCyJttoOG8KqFqvUvj5Z1J2TmhZvOkrAI3XMA3aADCAXFo9gHLANlVA-N8s5_EvL4ufwqUYTWPIgpRtvKaYQsBcP6DVQWfz5AohOO690ILFSyJJIpdSaIKLp9M1B8t8nEllRsxUJUf9Nq2HqG2OcaYRelLnWXrWMoPazFJMKq1QyJArvAXnHoCeXu8skCdjm4ppgU0cXOQH35BHDuCM-uC5jMl_HsnhVVc-eVAG5CtSBIU-o6UmFOYYS8krbuGC-O_nYFp01NCvka5h22xibrhf9-tmJ6Om2VFXLc449XU4wp-qHrqMXTAMliky7bsI1nm9U4B0tzRrD8TVWZ2M5dB5nQuYxfqMxIAxfGrz4lu7","fifu_image_alt":"","footnotes":""},"categories":[60],"tags":[],"class_list":["post-2035","post","type-post","status-publish","format-standard","hentry","category-unified-modeling-language"],"yoast_head":"<!-- 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