{"id":1614,"date":"2026-02-28T08:48:21","date_gmt":"2026-02-28T08:48:21","guid":{"rendered":"https:\/\/www.tech-posts.com\/vi\/case-study-modeling-a-bank-atm-system-with-a-uml-state-diagram\/"},"modified":"2026-02-28T08:48:21","modified_gmt":"2026-02-28T08:48:21","slug":"case-study-modeling-a-bank-atm-system-with-a-uml-state-diagram","status":"publish","type":"post","link":"https:\/\/www.tech-posts.com\/vi\/case-study-modeling-a-bank-atm-system-with-a-uml-state-diagram\/","title":{"rendered":"Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p: M\u00f4 h\u00ecnh h\u00f3a h\u1ec7 th\u1ed1ng ATM ng\u00e2n h\u00e0ng b\u1eb1ng s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i UML"},"content":{"rendered":"<p dir=\"ltr\"><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-state-machine-diagram\/\">S\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i<\/a>, hay c\u00f2n g\u1ecdi l\u00e0 s\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i, l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n m\u1ea1nh m\u1ebd c\u1ee7a <a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-uml\/\">Ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a th\u1ed1ng nh\u1ea5t (UML)<\/a> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a h\u00e0nh vi \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng. Ch\u00fang minh h\u1ecda c\u00e1ch m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng ho\u1eb7c h\u1ec7 th\u1ed1ng chuy\u1ec3n \u0111\u1ed5i gi\u1eefa c\u00e1c tr\u1ea1ng th\u00e1i ri\u00eang bi\u1ec7t ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c s\u1ef1 ki\u1ec7n, l\u00e0m cho ch\u00fang tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 l\u00fd t\u01b0\u1edfng cho c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ea3n \u1ee9ng nh\u01b0 M\u00e1y r\u00fat ti\u1ec1n t\u1ef1 \u0111\u1ed9ng (ATM) c\u1ee7a ng\u00e2n h\u00e0ng. Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p n\u00e0y kh\u00e1m ph\u00e1 c\u00e1ch m\u1ed9t s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i c\u00f3 th\u1ec3 bi\u1ec3u di\u1ec5n h\u00e0nh vi c\u1ee7a ATM, m\u1ed9t h\u1ec7 th\u1ed1ng th\u1ef1c t\u1ebf quen thu\u1ed9c v\u1edbi c\u00e1c tr\u1ea1ng th\u00e1i r\u00f5 r\u00e0ng v\u00e0 chuy\u1ec3n ti\u1ebfp \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi s\u1ef1 ki\u1ec7n. B\u1eb1ng c\u00e1ch xem x\u00e9t chu k\u1ef3 s\u1ed1ng c\u1ee7a ATM, ch\u00fang ta s\u1ebd l\u00e0m n\u1ed5i b\u1eadt c\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh c\u1ee7a s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i, bao g\u1ed3m tr\u1ea1ng th\u00e1i, chuy\u1ec3n ti\u1ebfp, h\u00e0nh \u0111\u1ed9ng, tr\u1ea1ng th\u00e1i h\u1ee3p th\u00e0nh v\u00e0 chuy\u1ec3n ti\u1ebfp kh\u00f4ng c\u00f3 k\u00edch ho\u1ea1t. Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p n\u00e0y c\u0169ng minh h\u1ecda c\u00e1ch c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 <a href=\"https:\/\/www.visual-paradigm.com\">Visual Paradigm<\/a> c\u00f3 th\u1ec3 gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c t\u1ea1o ra c\u00e1c s\u01a1 \u0111\u1ed3 nh\u01b0 v\u1eady.<\/p>\n<p dir=\"ltr\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i \u0111\u01b0\u1ee3c t\u1ea1o b\u1eb1ng tr\u00ecnh so\u1ea1n th\u1ea3o m\u00f4 h\u00ecnh s\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i c\u1ee7a Visual Paradigm:<\/p>\n<p id=\"gOKXBsA\"><img fetchpriority=\"high\" alt=\"Visual Paradigm State Machine Diagram Example\" class=\"alignnone wp-image-1293 size-full\" decoding=\"async\" fetchpriority=\"high\" height=\"688\" sizes=\"(max-width: 1042px) 100vw, 1042px\" src=\"https:\/\/www.tech-posts.com\/wp-content\/uploads\/2025\/12\/img_69491cd0bf24b.png\" srcset=\"https:\/\/www.tech-posts.com\/wp-content\/uploads\/2025\/12\/img_69491cd0bf24b.png 1042w, https:\/\/www.tech-posts.com\/wp-content\/uploads\/2025\/12\/img_69491cd0bf24b-300x198.png 300w, https:\/\/www.tech-posts.com\/wp-content\/uploads\/2025\/12\/img_69491cd0bf24b-1024x676.png 1024w, https:\/\/www.tech-posts.com\/wp-content\/uploads\/2025\/12\/img_69491cd0bf24b-768x507.png 768w\" width=\"1042\"\/><\/p>\n<h2 dir=\"ltr\">C\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh c\u1ee7a s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i<\/h2>\n<p dir=\"ltr\">S\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i ghi l\u1ea1i h\u00e0nh vi c\u1ee7a h\u1ec7 th\u1ed1ng b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh:<\/p>\n<ul class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\"><strong>Tr\u1ea1ng th\u00e1i<\/strong>: Nh\u1eefng \u0111i\u1ec1u ki\u1ec7n ho\u1eb7c t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3 trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a h\u1ec7 th\u1ed1ng (v\u00ed d\u1ee5: \u201c\u0110ang ch\u1edd\u201d ho\u1eb7c \u201c\u0110ang ph\u1ee5c v\u1ee5 kh\u00e1ch h\u00e0ng\u201d).<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Chuy\u1ec3n ti\u1ebfp<\/strong>: Nh\u1eefng chuy\u1ec3n \u0111\u1ed9ng gi\u1eefa c\u00e1c tr\u1ea1ng th\u00e1i \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi c\u00e1c s\u1ef1 ki\u1ec7n (v\u00ed d\u1ee5: vi\u1ec7c \u0111\u01b0a th\u1ebb v\u00e0o).<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>H\u00e0nh \u0111\u1ed9ng<\/strong>: C\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n khi nh\u1eadp v\u00e0o, r\u1eddi kh\u1ecfi ho\u1eb7c chuy\u1ec3n ti\u1ebfp gi\u1eefa c\u00e1c tr\u1ea1ng th\u00e1i (v\u00ed d\u1ee5: \u0111\u1ecdc th\u1ebb).<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Tr\u1ea1ng th\u00e1i h\u1ee3p th\u00e0nh<\/strong>: C\u00e1c tr\u1ea1ng th\u00e1i ch\u1ee9a c\u00e1c tr\u1ea1ng th\u00e1i con \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a theo c\u1ea5p b\u1eadc (v\u00ed d\u1ee5: \u201c\u0110ang ph\u1ee5c v\u1ee5 kh\u00e1ch h\u00e0ng\u201d v\u1edbi c\u00e1c tr\u1ea1ng th\u00e1i con nh\u01b0 \u201cX\u00e1c th\u1ef1c kh\u00e1ch h\u00e0ng\u201d).<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u v\u00e0 tr\u1ea1ng th\u00e1i cu\u1ed1i<\/strong>: \u0110i\u1ec3m b\u1eaft \u0111\u1ea7u v\u00e0 \u0111i\u1ec3m k\u1ebft th\u00fac ti\u1ec1m n\u0103ng c\u1ee7a h\u00e0nh vi h\u1ec7 th\u1ed1ng.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Chuy\u1ec3n ti\u1ebfp kh\u00f4ng c\u00f3 k\u00edch ho\u1ea1t<\/strong>: C\u00e1c chuy\u1ec3n ti\u1ebfp t\u1ef1 \u0111\u1ed9ng m\u00e0 kh\u00f4ng c\u1ea7n s\u1ef1 ki\u1ec7n r\u00f5 r\u00e0ng (v\u00ed d\u1ee5: chuy\u1ec3n t\u1eeb tr\u1ea1ng th\u00e1i ki\u1ec3m tra t\u1ef1 \u0111\u1ed9ng sang tr\u1ea1ng th\u00e1i ch\u1edd).<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">C\u00e1c kh\u00e1i ni\u1ec7m n\u00e0y r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c m\u00f4 h\u00ecnh h\u00f3a c\u00e1c h\u1ec7 th\u1ed1ng m\u00e0 h\u00e0nh vi ph\u1ee5 thu\u1ed9c v\u00e0o tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i v\u00e0 c\u00e1c k\u00edch th\u00edch b\u00ean ngo\u00e0i, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ed9t ATM.<\/p>\n<h2 dir=\"ltr\">Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p: H\u1ec7 th\u1ed1ng ATM ng\u00e2n h\u00e0ng<\/h2>\n<h3 dir=\"ltr\">T\u1ed5ng quan h\u1ec7 th\u1ed1ng<\/h3>\n<p dir=\"ltr\">M\u00e1y ATM ng\u00e2n h\u00e0ng h\u1ed7 tr\u1ee3 c\u00e1c giao d\u1ecbch c\u1ee7a kh\u00e1ch h\u00e0ng nh\u01b0 r\u00fat ti\u1ec1n m\u1eb7t, g\u1eedi ti\u1ec1n v\u00e0 tra c\u1ee9u s\u1ed1 d\u01b0. H\u00e0nh vi c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi s\u1ef1 ki\u1ec7n, v\u1edbi c\u00e1c tr\u1ea1ng th\u00e1i ri\u00eang bi\u1ec7t thay \u0111\u1ed5i d\u1ef1a tr\u00ean h\u00e0nh \u0111\u1ed9ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng (v\u00ed d\u1ee5: \u0111\u01b0a th\u1ebb v\u00e0o, nh\u1eadp m\u00e3 PIN) ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n h\u1ec7 th\u1ed1ng (v\u00ed d\u1ee5: v\u01b0\u1ee3t qua ki\u1ec3m tra t\u1ef1 \u0111\u1ed9ng). S\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 hi\u1ec7u qu\u1ea3 \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a h\u00e0nh vi n\u00e0y v\u00ec n\u00f3 x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng c\u00e1c tr\u1ea1ng th\u00e1i, chuy\u1ec3n ti\u1ebfp v\u00e0 h\u00e0nh \u0111\u1ed9ng c\u1ee7a ATM, \u0111\u1ea3m b\u1ea3o m\u1ed9t bi\u1ec3u di\u1ec5n c\u00f3 c\u1ea5u tr\u00fac cho thi\u1ebft k\u1ebf, tri\u1ec3n khai v\u00e0 b\u1ea3o tr\u00ec.<\/p>\n<h3 dir=\"ltr\">C\u00e1c tr\u1ea1ng th\u00e1i v\u00e0 m\u00f4 t\u1ea3<\/h3>\n<p><img alt=\"Case Study: Bank ATM System - State Diagram\" class=\"alignnone\" decoding=\"async\" height=\"569\" src=\"https:\/\/uml.planttext.com\/plantuml\/png\/VLBBQiCm4BmBz0zxJ0gXTnzAYg6GamFshVGWv7MZ8ijXjMgWfVzUINwGkA4tQNTcTdQalMT577ehnUl36-nsJz04SjXMNIV5SioD6ctNe6Seu3XSaA1oy0X7f6wW7aQXCsoCCsoKDLy89qNjHH5kfLZ8IUdGMemggGQvM0UjqViLh0fSTJNIfz6ty1TbR22K8WkDtYBAlPV1yz17QmMKSJOSd4TYCoIZXAfDHIcaY6OP_v2-fG2OOvYhpu5FwDXebNGIudvdZWWrHys6bFDAvqO1A-IoxRzQKqYhphGwR5J7qJ8Xaq6_ZVlXHnmzBWZtZUJNlJ5sVHifcEbhrkJbkbmE_TbYJ74rUSvlefJAQRIte9_q17jqRVntlm00\" width=\"1146\"\/><\/p>\n<p dir=\"ltr\">ATM ho\u1ea1t \u0111\u1ed9ng trong c\u00e1c tr\u1ea1ng th\u00e1i sau:<\/p>\n<ol dir=\"ltr\">\n<li>\n<p dir=\"ltr\"><strong>T\u1eaft<\/strong><\/p>\n<ul class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\"><strong>M\u00f4 t\u1ea3<\/strong>: M\u00e1y ATM \u0111ang t\u1eaft ngu\u1ed3n v\u00e0 kh\u00f4ng th\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi ng\u01b0\u1eddi d\u00f9ng. \u0110\u00e2y l\u00e0 tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u tr\u01b0\u1edbc khi h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>\u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh<\/strong>: Kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n thao t\u00e1c n\u00e0o cho \u0111\u1ebfn khi m\u00e1y ATM \u0111\u01b0\u1ee3c b\u1eadt ngu\u1ed3n.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Ki\u1ec3m tra t\u1ef1 \u0111\u1ed9ng<\/strong><\/p>\n<ul class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\"><strong>M\u00f4 t\u1ea3<\/strong>: Khi \u0111\u01b0\u1ee3c c\u1ea5p ngu\u1ed3n, m\u00e1y ATM chuy\u1ec3n sang tr\u1ea1ng th\u00e1i n\u00e0y \u0111\u1ec3 th\u1ef1c hi\u1ec7n ki\u1ec3m tra ch\u1ea9n \u0111o\u00e1n, ki\u1ec3m tra c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 \u0111\u1ea7u \u0111\u1ecdc th\u1ebb, b\u00e0n ph\u00edm v\u00e0 m\u00e1y ph\u00e1t ti\u1ec1n.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>K\u1ebft qu\u1ea3<\/strong>:<\/p>\n<ul class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\"><strong>\u0110\u1ea1t<\/strong>: M\u00e1y ATM chuy\u1ec3n sang tr\u1ea1ng th\u00e1i \u201c\u0110ang ch\u1edd\u201d.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Th\u1ea5t b\u1ea1i<\/strong>: M\u00e1y ATM chuy\u1ec3n sang tr\u1ea1ng th\u00e1i \u201cNg\u1eebng ho\u1ea1t \u0111\u1ed9ng\u201d.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>\u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh<\/strong>: Tr\u1ea1ng th\u00e1i n\u00e0y \u0111\u1ea3m b\u1ea3o m\u00e1y ATM ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng tr\u01b0\u1edbc khi ph\u1ee5c v\u1ee5 kh\u00e1ch h\u00e0ng.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Ng\u1eebng ho\u1ea1t \u0111\u1ed9ng<\/strong><\/p>\n<ul class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\"><strong>M\u00f4 t\u1ea3<\/strong>: \u0110\u01b0\u1ee3c v\u00e0o n\u1ebfu ki\u1ec3m tra t\u1ef1 \u0111\u1ed9ng th\u1ea5t b\u1ea1i ho\u1eb7c x\u1ea3y ra l\u1ed7i nghi\u00eam tr\u1ecdng (v\u00ed d\u1ee5: m\u00e1y ph\u00e1t ti\u1ec1n b\u1ecb h\u1ecfng). M\u00e1y ATM kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u1ea7n b\u1ea3o tr\u00ec.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>\u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh<\/strong>: Ho\u1ea1t \u0111\u1ed9ng nh\u01b0 tr\u1ea1ng th\u00e1i cu\u1ed1i c\u00f9ng cho \u0111\u1ebfn khi \u0111\u01b0\u1ee3c s\u1eeda ch\u1eefa ho\u1eb7c kh\u1edfi \u0111\u1ed9ng l\u1ea1i.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>\u0110ang ch\u1edd<\/strong><\/p>\n<ul class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\"><strong>M\u00f4 t\u1ea3<\/strong>: M\u00e1y ATM \u0111\u00e3 \u0111\u01b0\u1ee3c b\u1eadt ngu\u1ed3n, ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng v\u00e0 \u0111ang ch\u1edd kh\u00e1ch h\u00e0ng b\u1eaft \u0111\u1ea7u giao d\u1ecbch b\u1eb1ng c\u00e1ch \u0111\u01b0a th\u1ebb ng\u00e2n h\u00e0ng ho\u1eb7c th\u1ebb t\u00edn d\u1ee5ng v\u00e0o.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>\u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh<\/strong>: Tr\u1ea1ng th\u00e1i ch\u1edd ch\u00ednh \u0111\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi kh\u00e1ch h\u00e0ng.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>\u0110ang ph\u1ee5c v\u1ee5 kh\u00e1ch h\u00e0ng<\/strong><\/p>\n<ul class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\"><strong>M\u00f4 t\u1ea3<\/strong>: Tr\u1ea1ng th\u00e1i t\u1ed5ng h\u1ee3p \u0111\u01b0\u1ee3c v\u00e0o khi kh\u00e1ch h\u00e0ng \u0111\u01b0a th\u1ebb v\u00e0o. Bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c t\u01b0\u01a1ng t\u00e1c c\u1ee7a kh\u00e1ch h\u00e0ng, t\u1eeb x\u00e1c th\u1ef1c \u0111\u1ebfn ho\u00e0n t\u1ea5t giao d\u1ecbch.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>H\u00e0nh \u0111\u1ed9ng v\u00e0o<\/strong>: <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u0111\u1ecdc_th\u1ebb<\/span> (m\u00e1y ATM \u0111\u1ecdc th\u00f4ng tin tr\u00ean th\u1ebb).<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>H\u00e0nh \u0111\u1ed9ng tho\u00e1t<\/strong>: <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">thu th\u1ebb<\/span> (m\u00e1y ATM tr\u1ea3 l\u1ea1i th\u1ebb).<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>C\u00e1c tr\u1ea1ng th\u00e1i con<\/strong>:<\/p>\n<ul class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\"><strong>X\u00e1c th\u1ef1c kh\u00e1ch h\u00e0ng<\/strong><\/p>\n<ul class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\">M\u00e1y ATM y\u00eau c\u1ea7u kh\u00e1ch h\u00e0ng nh\u1eadp m\u00e3 PIN v\u00e0 x\u00e1c minh n\u00f3.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">N\u1ebfu m\u00e3 PIN sai, m\u00e1y ATM c\u00f3 th\u1ec3 cho ph\u00e9p th\u1eed l\u1ea1i (v\u00ed d\u1ee5: t\u1ed1i \u0111a ba l\u1ea7n) tr\u01b0\u1edbc khi tr\u1ea3 th\u1ebb.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Ch\u1ecdn giao d\u1ecbch<\/strong><\/p>\n<ul class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\">Kh\u00e1ch h\u00e0ng ch\u1ecdn lo\u1ea1i giao d\u1ecbch (v\u00ed d\u1ee5: r\u00fat ti\u1ec1n, g\u1eedi ti\u1ec1n, tra c\u1ee9u s\u1ed1 d\u01b0).<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Giao d\u1ecbch<\/strong><\/p>\n<ul class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\">M\u00e1y ATM x\u1eed l\u00fd giao d\u1ecbch \u0111\u00e3 ch\u1ecdn (v\u00ed d\u1ee5: ph\u00e1t ti\u1ec1n, ti\u1ebfp nh\u1eadn g\u1eedi ti\u1ec1n, hi\u1ec3n th\u1ecb s\u1ed1 d\u01b0).<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Sau khi ho\u00e0n t\u1ea5t, m\u00e1y ATM quay tr\u1edf l\u1ea1i tr\u1ea1ng th\u00e1i \u201c\u0110ang ch\u1edd\u201d.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\">Chuy\u1ec3n tr\u1ea1ng th\u00e1i<\/h3>\n<p dir=\"ltr\">M\u00e1y ATM chuy\u1ec3n \u0111\u1ed5i gi\u1eefa c\u00e1c tr\u1ea1ng th\u00e1i d\u1ef1a tr\u00ean s\u1ef1 ki\u1ec7n ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n. C\u00e1c chuy\u1ec3n tr\u1ea1ng th\u00e1i ch\u00ednh l\u00e0:<\/p>\n<table>\n<colgroup>\n<col\/>\n<col\/>\n<col\/>\n<col\/>\n<col\/><\/colgroup>\n<tbody>\n<tr class=\"border-border\">\n<th colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\"><strong>Chuy\u1ec3n tr\u1ea1ng th\u00e1i<\/strong><\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\"><strong>T\u1eeb tr\u1ea1ng th\u00e1i<\/strong><\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\"><strong>\u0110\u1ebfn tr\u1ea1ng th\u00e1i<\/strong><\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\"><strong>K\u00edch ho\u1ea1t<\/strong><\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\"><strong>H\u00e0nh \u0111\u1ed9ng<\/strong><\/p>\n<\/th>\n<\/tr>\n<tr class=\"border-border\">\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">B\u1eadt ngu\u1ed3n<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">T\u1eaft ngu\u1ed3n<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Ki\u1ec3m tra t\u1ef1 \u0111\u1ed9ng<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">M\u00e1y ATM \u0111\u01b0\u1ee3c b\u1eadt ngu\u1ed3n<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Th\u1ef1c hi\u1ec7n kh\u1edfi \u0111\u1ed9ng (kh\u1edfi t\u1ea1o ph\u1ea7n c\u1ee9ng)<\/p>\n<\/td>\n<\/tr>\n<tr class=\"border-border\">\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Ki\u1ec3m tra t\u1ef1 \u0111\u1ed9ng th\u00e0nh c\u00f4ng<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Ki\u1ec3m tra t\u1ef1 \u0111\u1ed9ng<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">\u0110ang ch\u1edd<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Kh\u00f4ng (kh\u00f4ng c\u1ea7n k\u00edch ho\u1ea1t)<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Kh\u00f4ng<\/p>\n<\/td>\n<\/tr>\n<tr class=\"border-border\">\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Th\u1ea5t b\u1ea1i ki\u1ec3m tra t\u1ef1 \u0111\u1ed9ng<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Ki\u1ec3m tra t\u1ef1 \u0111\u1ed9ng<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Ng\u1eebng ho\u1ea1t \u0111\u1ed9ng<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Th\u1eed nghi\u1ec7m th\u1ea5t b\u1ea1i<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Kh\u00f4ng<\/p>\n<\/td>\n<\/tr>\n<tr class=\"border-border\">\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Th\u1ee7 t\u1ee5c \u0111\u01b0a th\u1ebb<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">\u0110ang ch\u1edd<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">\u0110ang ph\u1ee5c v\u1ee5 kh\u00e1ch h\u00e0ng<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Kh\u00e1ch h\u00e0ng \u0111\u01b0a th\u1ebb v\u00e0o<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u0110\u1ecdc th\u1ebb<\/span><\/p>\n<\/td>\n<\/tr>\n<tr class=\"border-border\">\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">X\u00e1c th\u1ef1c th\u00e0nh c\u00f4ng<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">X\u00e1c th\u1ef1c kh\u00e1ch h\u00e0ng<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Ch\u1ecdn giao d\u1ecbch<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">\u0110\u00e3 nh\u1eadp m\u00e3 PIN h\u1ee3p l\u1ec7<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Kh\u00f4ng<\/p>\n<\/td>\n<\/tr>\n<tr class=\"border-border\">\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Th\u1ea5t b\u1ea1i x\u00e1c th\u1ef1c (sau nhi\u1ec1u l\u1ea7n th\u1eed)<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">X\u00e1c th\u1ef1c kh\u00e1ch h\u00e0ng<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">\u0110ang ch\u1edd<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">M\u00e3 PIN kh\u00f4ng h\u1ee3p l\u1ec7 (v\u01b0\u1ee3t qu\u00e1 s\u1ed1 l\u1ea7n th\u1eed)<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">Th\u00e1o th\u1ebb<\/span><\/p>\n<\/td>\n<\/tr>\n<tr class=\"border-border\">\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">\u0110\u00e3 ch\u1ecdn giao d\u1ecbch<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Ch\u1ecdn giao d\u1ecbch<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Giao d\u1ecbch<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Kh\u00e1ch h\u00e0ng ch\u1ecdn giao d\u1ecbch<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Kh\u00f4ng<\/p>\n<\/td>\n<\/tr>\n<tr class=\"border-border\">\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Giao d\u1ecbch ho\u00e0n t\u1ea5t<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Giao d\u1ecbch<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">\u0110ang ch\u1edd<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Giao d\u1ecbch ho\u00e0n t\u1ea5t<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">th\u00e1o th\u1ebb<\/span><\/p>\n<\/td>\n<\/tr>\n<tr class=\"border-border\">\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">H\u1ee7y<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">M\u1ecdi tr\u1ea1ng th\u00e1i con trong qu\u00e1 tr\u00ecnh ph\u1ee5c v\u1ee5 kh\u00e1ch h\u00e0ng<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">\u0110ang ch\u1edd<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Kh\u00e1ch h\u00e0ng h\u1ee7y<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">th\u00e1o th\u1ebb<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 dir=\"ltr\">C\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh \u0111\u01b0\u1ee3c minh h\u1ecda<\/h3>\n<p dir=\"ltr\">S\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i n\u00e0y minh h\u1ecda m\u1ed9t s\u1ed1 kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i c\u1ee7a s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i:<\/p>\n<ul class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\"><strong>Tr\u1ea1ng th\u00e1i<\/strong>: H\u00e0nh vi c\u1ee7a m\u00e1y ATM \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c tr\u1ea1ng th\u00e1i ri\u00eang bi\u1ec7t (v\u00ed d\u1ee5: T\u1eaft, \u0110ang ch\u1edd, Ph\u1ee5c v\u1ee5 kh\u00e1ch h\u00e0ng), m\u1ed7i tr\u1ea1ng th\u00e1i \u0111\u1ea1i di\u1ec7n cho m\u1ed9t \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Chuy\u1ec3n ti\u1ebfp<\/strong>: C\u00e1c s\u1ef1 ki\u1ec7n nh\u01b0 \u0111\u01b0a th\u1ebb v\u00e0o ho\u1eb7c x\u00e1c th\u1ef1c m\u00e3 PIN k\u00edch ho\u1ea1t thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i, r\u00f5 r\u00e0ng \u0111\u1ecbnh ngh\u0129a lu\u1ed3ng h\u1ec7 th\u1ed1ng.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>H\u00e0nh \u0111\u1ed9ng<\/strong>: H\u00e0nh \u0111\u1ed9ng v\u00e0o (v\u00ed d\u1ee5: <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u0111\u1ecdc th\u1ebb<\/span>) v\u00e0 h\u00e0nh \u0111\u1ed9ng r\u1eddi (v\u00ed d\u1ee5: <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">th\u00e1o th\u1ebb<\/span>) x\u00e1c \u0111\u1ecbnh c\u00e1c ho\u1ea1t \u0111\u1ed9ng trong qu\u00e1 tr\u00ecnh thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Tr\u1ea1ng th\u00e1i h\u1ee3p th\u00e0nh<\/strong>: Tr\u1ea1ng th\u00e1i \u201cPh\u1ee5c v\u1ee5 kh\u00e1ch h\u00e0ng\u201d ch\u1ee9a c\u00e1c tr\u1ea1ng th\u00e1i con (X\u00e1c th\u1ef1c kh\u00e1ch h\u00e0ng, Ch\u1ecdn giao d\u1ecbch, Giao d\u1ecbch), cho ph\u00e9p m\u00f4 h\u00ecnh h\u00f3a theo c\u1ea5p b\u1eadc.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u v\u00e0 tr\u1ea1ng th\u00e1i cu\u1ed1i<\/strong>: \u201cT\u1eaft\u201d l\u00e0 tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u, trong khi \u201cNg\u1eebng ho\u1ea1t \u0111\u1ed9ng\u201d \u0111\u00f3ng vai tr\u00f2 l\u00e0 tr\u1ea1ng th\u00e1i cu\u1ed1i cho \u0111\u1ebfn khi b\u1ea3o tr\u00ec x\u1ea3y ra.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Chuy\u1ec3n ti\u1ebfp kh\u00f4ng c\u1ea7n s\u1ef1 ki\u1ec7n<\/strong>: Chuy\u1ec3n ti\u1ebfp t\u1eeb \u201cKi\u1ec3m tra t\u1ef1 \u0111\u1ed9ng\u201d sang \u201c\u0110ang ch\u1edd\u201d x\u1ea3y ra t\u1ef1 \u0111\u1ed9ng n\u1ebfu ki\u1ec3m tra th\u00e0nh c\u00f4ng, kh\u00f4ng c\u1ea7n s\u1ef1 ki\u1ec7n r\u00f5 r\u00e0ng.<\/p>\n<\/li>\n<\/ul>\n<h3 dir=\"ltr\">T\u1ea1i sao l\u1ea1i s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i cho m\u00e1y ATM?<\/h3>\n<p dir=\"ltr\">S\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i l\u00e0 l\u00fd t\u01b0\u1edfng \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a m\u00e1y ATM v\u00ec:<\/p>\n<ul class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\"><strong>Tr\u1ea1ng th\u00e1i h\u1eefu h\u1ea1n<\/strong>: M\u00e1y ATM c\u00f3 m\u1ed9t t\u1eadp h\u1ee3p r\u00f5 r\u00e0ng c\u00e1c tr\u1ea1ng th\u00e1i (v\u00ed d\u1ee5: \u0110ang ch\u1edd, Ph\u1ee5c v\u1ee5 kh\u00e1ch h\u00e0ng) \u0111\u1ecbnh ngh\u0129a h\u00e0nh vi c\u1ee7a n\u00f3.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>H\u00e0nh vi \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi s\u1ef1 ki\u1ec7n<\/strong>: C\u00e1c chuy\u1ec3n ti\u1ebfp \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi c\u00e1c h\u00e0nh \u0111\u1ed9ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng (v\u00ed d\u1ee5: \u0111\u01b0a th\u1ebb v\u00e0o, nh\u1eadp m\u00e3 PIN) ho\u1eb7c c\u00e1c \u0111i\u1ec1u ki\u1ec7n h\u1ec7 th\u1ed1ng (v\u00ed d\u1ee5: k\u1ebft qu\u1ea3 ki\u1ec3m tra t\u1ef1 \u0111\u1ed9ng).<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>C\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p<\/strong>: C\u00e1c tr\u1ea1ng th\u00e1i h\u1ee3p th\u00e0nh nh\u01b0 \u201cPh\u1ee5c v\u1ee5 kh\u00e1ch h\u00e0ng\u201d cho ph\u00e9p m\u00f4 h\u00ecnh h\u00f3a chi ti\u1ebft c\u00e1c t\u01b0\u01a1ng t\u00e1c ph\u1ee9c t\u1ea1p.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>T\u00ednh r\u00f5 r\u00e0ng cho c\u00e1c b\u00ean li\u00ean quan<\/strong>: S\u01a1 \u0111\u1ed3 cung c\u1ea5p m\u1ed9t bi\u1ec3u di\u1ec5n tr\u1ef1c quan m\u00e0 c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n, nh\u00e0 thi\u1ebft k\u1ebf v\u00e0 c\u00e1c b\u00ean li\u00ean quan c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng hi\u1ec3u, h\u1ed7 tr\u1ee3 trong thi\u1ebft k\u1ebf v\u00e0 b\u1ea3o tr\u00ec h\u1ec7 th\u1ed1ng.<\/p>\n<\/li>\n<\/ul>\n<h3 dir=\"ltr\">S\u1eed d\u1ee5ng Visual Paradigm \u0111\u1ec3 t\u1ea1o s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i<\/h3>\n<p dir=\"ltr\">Visual Paradigm l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u00f4 h\u00ecnh h\u00f3a UML m\u1ea1nh m\u1ebd gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c t\u1ea1o s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i. C\u00e1c t\u00ednh n\u0103ng c\u1ee7a n\u00f3 bao g\u1ed3m:<\/p>\n<ul class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\"><strong>Giao di\u1ec7n k\u00e9o v\u00e0 th\u1ea3<\/strong>: D\u1ec5 d\u00e0ng th\u00eam c\u00e1c tr\u1ea1ng th\u00e1i, chuy\u1ec3n ti\u1ebfp v\u00e0 h\u00e0nh \u0111\u1ed9ng.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>C\u00f4ng c\u1ee5 m\u00f4 ph\u1ecfng<\/strong>: Ki\u1ec3m th\u1eed c\u00e1c chuy\u1ec3n ti\u1ebfp tr\u1ea1ng th\u00e1i \u0111\u1ec3 x\u00e1c minh t\u00ednh h\u1ee3p l\u00fd c\u1ee7a s\u01a1 \u0111\u1ed3.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>M\u1eabu<\/strong>: S\u1eed d\u1ee5ng c\u00e1c m\u1eabu c\u00f3 s\u1eb5n cho c\u00e1c h\u1ec7 th\u1ed1ng nh\u01b0 m\u00e1y ATM \u0111\u1ec3 t\u0103ng t\u1ed1c qu\u00e1 tr\u00ecnh m\u00f4 h\u00ecnh h\u00f3a.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>T\u1ea1o m\u00e3<\/strong>: T\u1ea1o c\u00e1c b\u1ea3n nh\u00e1p m\u00e3 (v\u00ed d\u1ee5: Java, C++) t\u1eeb s\u01a1 \u0111\u1ed3.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>H\u1ee3p t\u00e1c<\/strong>: Ch\u1ec9nh s\u1eeda v\u00e0 b\u00ecnh lu\u1eadn theo th\u1eddi gian th\u1ef1c cho c\u00e1c d\u1ef1 \u00e1n h\u1ee3p t\u00e1c.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">\u0110\u1ec3 t\u1ea1o s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i m\u00e1y ATM trong Visual Paradigm:<\/p>\n<ol class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\">M\u1edf Visual Paradigm v\u00e0 ch\u1ecdn<strong>S\u01a1 \u0111\u1ed3 &gt; M\u1edbi &gt; S\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i<\/strong>.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Th\u00eam c\u00e1c tr\u1ea1ng th\u00e1i (v\u00ed d\u1ee5: T\u1eaft, Ki\u1ec3m tra t\u1ef1 \u0111\u1ed9ng, Kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng) b\u1eb1ng tr\u00ecnh ch\u1ec9nh s\u1eeda k\u00e9o v\u00e0 th\u1ea3.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">V\u1ebd c\u00e1c chuy\u1ec3n ti\u1ebfp v\u1edbi c\u00e1c k\u00edch ho\u1ea1t ph\u00f9 h\u1ee3p (v\u00ed d\u1ee5: \u201cB\u1eadt ngu\u1ed3n\u201d, \u201c\u0110\u01b0a th\u1ebb v\u00e0o\u201d).<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">X\u00e1c \u0111\u1ecbnh h\u00e0nh \u0111\u1ed9ng (v\u00ed d\u1ee5:<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">readCard<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">ejectCard<\/span> ) cho nh\u1eadp, xu\u1ea5t ho\u1eb7c chuy\u1ec3n ti\u1ebfp.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">S\u1eed d\u1ee5ng m\u00f4 ph\u1ecfng \u0111\u1ec3 ki\u1ec3m th\u1eed lu\u1ed3ng v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\">K\u1ebft lu\u1eadn<\/h3>\n<p dir=\"ltr\">S\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i m\u00e1y r\u00fat ti\u1ec1n ng\u00e2n h\u00e0ng hi\u1ec7u qu\u1ea3 minh h\u1ecda c\u00e1ch c\u00e1c s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i UML c\u00f3 th\u1ec3 m\u00f4 h\u00ecnh h\u00f3a h\u00e0nh vi c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng th\u1ef1c t\u1ebf. B\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh r\u00f5 c\u00e1c tr\u1ea1ng th\u00e1i, c\u00e1c chuy\u1ec3n ti\u1ebfp \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi s\u1ef1 ki\u1ec7n v\u00e0 c\u00e1c h\u00e0nh \u0111\u1ed9ng, s\u01a1 \u0111\u1ed3 cung c\u1ea5p m\u1ed9t bi\u1ec3u di\u1ec5n c\u00f3 c\u1ea5u tr\u00fac v\u1ec1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y ATM. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y n\u00e2ng cao s\u1ef1 hi\u1ec3u bi\u1ebft, h\u1ed7 tr\u1ee3 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng v\u00e0 h\u1ed7 tr\u1ee3 tri\u1ec3n khai c\u0169ng nh\u01b0 b\u1ea3o tr\u00ec. C\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 <a href=\"https:\/\/www.visual-paradigm.com\">Visual Paradigm<\/a> gi\u00fap vi\u1ec7c t\u1ea1o, ki\u1ec3m th\u1eed v\u00e0 chia s\u1ebb c\u00e1c s\u01a1 \u0111\u1ed3 nh\u01b0 v\u1eady tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 s\u1ef1 h\u1ee3p t\u00e1c trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n h\u1ec7 th\u1ed1ng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>S\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i, hay c\u00f2n g\u1ecdi l\u00e0 s\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i, l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n m\u1ea1nh m\u1ebd c\u1ee7a Ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a th\u1ed1ng nh\u1ea5t (UML) \u0111\u01b0\u1ee3c s\u1eed&hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[65,60,58],"tags":[],"class_list":["post-1614","post","type-post","status-publish","format-standard","hentry","category-state-diagram","category-unified-modeling-language","category-visual-paradigm"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - 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