{"id":400,"date":"2026-03-28T14:44:55","date_gmt":"2026-03-28T14:44:55","guid":{"rendered":"https:\/\/www.hi-posts.com\/vn\/common-mistakes-interaction-overview-modeling-beginners\/"},"modified":"2026-03-28T14:44:55","modified_gmt":"2026-03-28T14:44:55","slug":"common-mistakes-interaction-overview-modeling-beginners","status":"publish","type":"post","link":"https:\/\/www.hi-posts.com\/vn\/common-mistakes-interaction-overview-modeling-beginners\/","title":{"rendered":"Nh\u1eefng l\u1ed7i th\u01b0\u1eddng g\u1eb7p: Nh\u1eefng c\u1ea1m b\u1eaby c\u1ea7n tr\u00e1nh khi m\u00f4 h\u00ecnh h\u00f3a c\u00e1c b\u1ea3n t\u00f3m t\u1eaft t\u01b0\u01a1ng t\u00e1c d\u00e0nh cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u"},"content":{"rendered":"

Vi\u1ec7c t\u1ea1o ra c\u00e1c bi\u1ec3u di\u1ec5n tr\u1ef1c quan r\u00f5 r\u00e0ng v\u1ec1 h\u00e0nh vi c\u1ee7a ph\u1ea7n m\u1ec1m l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng hi\u1ec7u qu\u1ea3. Trong s\u1ed1 c\u00e1c lo\u1ea1i bi\u1ec3u \u0111\u1ed3 kh\u00e1c nhau c\u00f3 s\u1eb5n, Bi\u1ec3u \u0111\u1ed3 T\u00f3m t\u1eaft T\u01b0\u01a1ng t\u00e1c (Interaction Overview Diagram) cung c\u1ea5p m\u1ed9t c\u1ea7u n\u1ed1i \u0111\u1ed9c \u0111\u00e1o gi\u1eefa c\u00e1c quy tr\u00ecnh l\u00e0m vi\u1ec7c \u1edf m\u1ee9c cao v\u00e0 c\u00e1c chu\u1ed7i t\u01b0\u01a1ng t\u00e1c chi ti\u1ebft. Tuy nhi\u00ean, nhi\u1ec1u ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u g\u1eb7p kh\u00f3 kh\u0103n v\u1edbi k\u00fd hi\u1ec7u c\u1ee5 th\u1ec3 n\u00e0y. S\u1ef1 nh\u1ea7m l\u1eabn th\u01b0\u1eddng b\u1eaft ngu\u1ed3n t\u1eeb vi\u1ec7c kh\u00f4ng hi\u1ec3u m\u1ee5c \u0111\u00edch ri\u00eang bi\u1ec7t c\u1ee7a bi\u1ec3u \u0111\u1ed3 n\u00e0y so v\u1edbi c\u00e1c bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c chu\u1ed7i tr\u00ecnh t\u1ef1 ti\u00eau chu\u1ea9n.<\/p>\n

H\u01b0\u1edbng d\u1eabn n\u00e0y kh\u00e1m ph\u00e1 nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u1ea5t khi x\u00e2y d\u1ef1ng c\u00e1c bi\u1ec3u \u0111\u1ed3 n\u00e0y. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 nh\u1eefng c\u1ea1m b\u1eaby n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o thi\u1ebft k\u1ebf c\u1ee7a m\u00ecnh truy\u1ec1n \u0111\u1ea1t \u00fd \u0111\u1ecbnh m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c m\u00e0 kh\u00f4ng g\u00e2y ra s\u1ef1 m\u01a1 h\u1ed3. Ch\u00fang ta s\u1ebd \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c s\u1eafc th\u00e1i k\u1ef9 thu\u1eadt, logic c\u1ea5u tr\u00fac v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t \u0111\u1ec3 duy tr\u00ec s\u1ef1 r\u00f5 r\u00e0ng trong su\u1ed1t t\u00e0i li\u1ec7u c\u1ee7a b\u1ea1n.<\/p>\n

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\"Hand-drawn<\/figure>\n<\/div>\n

\ud83e\udde0 Hi\u1ec3u v\u1ec1 Bi\u1ec3u \u0111\u1ed3 T\u00f3m t\u1eaft T\u01b0\u01a1ng t\u00e1c<\/h2>\n

Tr\u01b0\u1edbc khi \u0111i s\u00e2u v\u00e0o nh\u1eefng \u0111i\u1ec1u c\u00f3 th\u1ec3 sai s\u00f3t, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i \u0111\u1ecbnh ngh\u0129a r\u00f5 bi\u1ec3u \u0111\u1ed3 n\u00e0y th\u1ef1c s\u1ef1 \u0111\u1ea1i di\u1ec7n cho \u0111i\u1ec1u g\u00ec. Bi\u1ec3u \u0111\u1ed3 T\u00f3m t\u1eaft T\u01b0\u01a1ng t\u00e1c l\u00e0 m\u1ed9t lo\u1ea1i bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng chuy\u00ean bi\u1ec7t. Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 hi\u1ec3n th\u1ecb lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n gi\u1eefa c\u00e1c m\u1ea3nh t\u01b0\u01a1ng t\u00e1c ho\u1eb7c gi\u1eefa m\u1ed9t ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c cao v\u00e0 m\u1ed9t bi\u1ec3u \u0111\u1ed3 chu\u1ed7i tr\u00ecnh t\u1ef1 chi ti\u1ebft.<\/p>\n

H\u00e3y coi n\u00f3 nh\u01b0 m\u1ed9t b\u1ea3n \u0111\u1ed3 c\u1ee7a c\u00e1c b\u1ea3n \u0111\u1ed3. Thay v\u00ec v\u1ebd t\u1eebng t\u01b0\u01a1ng t\u00e1c ri\u00eang l\u1ebb trong m\u1ed9t m\u1ea1ng l\u01b0\u1edbi l\u1edbn v\u00e0 r\u1ed1i r\u1eafm, b\u1ea1n chia quy tr\u00ecnh th\u00e0nh c\u00e1c b\u01b0\u1edbc ri\u00eang bi\u1ec7t. M\u1ed7i b\u01b0\u1edbc trong bi\u1ec3u \u0111\u1ed3 t\u00f3m t\u1eaft tr\u1ecf \u0111\u1ebfn m\u1ed9t t\u01b0\u01a1ng t\u00e1c chi ti\u1ebft h\u01a1n ho\u1eb7c m\u1ed9t h\u00e0nh vi c\u1ee5 th\u1ec3. C\u00e1ch ti\u1ebfp c\u1eadn m\u00f4-\u0111un n\u00e0y cho ph\u00e9p c\u00e1c nh\u00f3m qu\u1ea3n l\u00fd s\u1ef1 ph\u1ee9c t\u1ea1p. N\u00f3 t\u00e1ch bi\u1ec7t ph\u1ea7nc\u00e1i g\u00ec<\/strong>(lu\u1ed3ng logic) kh\u1ecfi ph\u1ea7nnh\u01b0 th\u1ebf n\u00e0o<\/strong>(c\u00e1c chi ti\u1ebft c\u1ee5 th\u1ec3 v\u1ec1 vi\u1ec7c truy\u1ec1n tin).<\/p>\n

Khi m\u00f4 h\u00ecnh h\u00f3a \u0111\u00fang c\u00e1ch, bi\u1ec3u \u0111\u1ed3 n\u00e0y \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t c\u00f4ng c\u1ee5 \u0111i\u1ec1u h\u01b0\u1edbng cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 c\u00e1c b\u00ean li\u00ean quan. N\u00f3 tr\u1ea3 l\u1eddi c\u00e1c c\u00e2u h\u1ecfi nh\u01b0: \u201c\u0110i\u1ec1u g\u00ec x\u1ea3y ra tr\u01b0\u1edbc ti\u00ean?\u201d v\u00e0 \u201cQuy tr\u00ecnh r\u1ebd nh\u00e1nh \u1edf \u0111\u00e2u?\u201d N\u1ebfu bi\u1ec3u \u0111\u1ed3 kh\u00f4ng tr\u1ea3 l\u1eddi r\u00f5 r\u00e0ng nh\u1eefng c\u00e2u h\u1ecfi n\u00e0y, qu\u00e1 tr\u00ecnh m\u00f4 h\u00ecnh h\u00f3a c\u00f3 th\u1ec3 \u0111\u00e3 b\u1ecf s\u00f3t m\u1ed9t quy t\u1eafc c\u01a1 b\u1ea3n.<\/p>\n

\u26a0\ufe0f L\u1ed7i 1: \u0110\u1ed5 qu\u00e1 nhi\u1ec1u chi ti\u1ebft v\u00e0o bi\u1ec3u \u0111\u1ed3<\/h2>\n

L\u1ed7i ph\u1ed5 bi\u1ebfn nh\u1ea5t m\u00e0 ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u m\u1eafc ph\u1ea3i l\u00e0 c\u1ed1 g\u1eafng nh\u1ed3i nh\u00e9t qu\u00e1 nhi\u1ec1u th\u00f4ng tin v\u00e0o m\u1ed9t b\u1ea3n t\u00f3m t\u1eaft duy nh\u1ea5t. S\u1ef1 c\u00e1m d\u1ed7 l\u00e0 hi\u1ec3n th\u1ecb t\u1eebng b\u01b0\u1edbc, t\u1eebng tin nh\u1eafn v\u00e0 m\u1ecdi thay \u0111\u1ed5i bi\u1ebfn. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y l\u00e0m m\u1ea5t \u0111i m\u1ee5c \u0111\u00edch c\u1ee7a vi\u1ec7c c\u00f3 m\u1ed9t b\u1ea3n t\u00f3m t\u1eaft.<\/p>\n

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    V\u1ea5n \u0111\u1ec1:<\/strong>Khi b\u1ea1n bao g\u1ed3m c\u00e1c chi ti\u1ebft nh\u1ecf nh\u1eb7t, bi\u1ec3u \u0111\u1ed3 tr\u1edf n\u00ean l\u1ed9n x\u1ed9n. C\u00e1c \u0111\u01b0\u1eddng c\u1eaft nhau, khi\u1ebfn lu\u1ed3ng kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c theo d\u00f5i tr\u1ef1c quan.<\/p>\n<\/li>\n

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    T\u00e1c \u0111\u1ed9ng:<\/strong>C\u00e1c b\u00ean li\u00ean quan kh\u00f4ng th\u1ec3 n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c logic \u1edf m\u1ee9c cao. C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n b\u1ecb l\u1ea1c trong s\u1ef1 \u1ed3n \u00e0o v\u00e0 b\u1ecf l\u1ee1 \u0111\u01b0\u1eddng \u0111i quan tr\u1ecdng.<\/p>\n<\/li>\n

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    Gi\u1ea3i ph\u00e1p:<\/strong>S\u1eed d\u1ee5ng bi\u1ec3u \u0111\u1ed3 \u0111\u1ec3 hi\u1ec3n th\u1ecb tr\u00ecnh t\u1ef1 c\u1ee7a c\u00e1c ho\u1ea1t \u0111\u1ed9ng ch\u00ednh. N\u1ebfu m\u1ed9t b\u01b0\u1edbc y\u00eau c\u1ea7u chi ti\u1ebft s\u00e2u, h\u00e3y tham chi\u1ebfu \u0111\u1ebfn m\u1ed9t bi\u1ec3u \u0111\u1ed3 t\u01b0\u01a1ng t\u00e1c ri\u00eang bi\u1ec7t thay v\u00ec v\u1eady.<\/p>\n<\/li>\n<\/ul>\n

    S\u1eed d\u1ee5ngH\u00e0nh \u0111\u1ed9ng G\u1ecdi H\u00e0nh vi<\/em>\u0111\u1ec3 \u1ee7y quy\u1ec1n logic ph\u1ee9c t\u1ea1p cho m\u1ed9t bi\u1ec3u \u0111\u1ed3 kh\u00e1c. \u0110i\u1ec1u n\u00e0y gi\u1eef cho b\u1ea3n t\u00f3m t\u1eaft s\u1ea1ch s\u1ebd. M\u1ed7i n\u00fat trong b\u1ea3n t\u00f3m t\u1eaft n\u00ean \u0111\u1ea1i di\u1ec7n cho m\u1ed9t c\u1ed9t m\u1ed1c quan tr\u1ecdng ho\u1eb7c m\u1ed9t quy tr\u00ecnh con ho\u00e0n ch\u1ec9nh, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t l\u1eddi g\u1ecdi ph\u01b0\u01a1ng th\u1ee9c \u0111\u01a1n l\u1ebb ho\u1eb7c m\u1ed9t ph\u00e9p g\u00e1n bi\u1ebfn.<\/p>\n

    \u26a0\ufe0f L\u1ed7i 2: Nh\u1ea7m l\u1eabn gi\u1eefa Lu\u1ed3ng \u0110i\u1ec1u khi\u1ec3n v\u00e0 Lu\u1ed3ng \u0110\u1ed1i t\u01b0\u1ee3ng<\/h2>\n

    K\u00fd hi\u1ec7u UML ph\u00e2n bi\u1ec7t r\u00f5 r\u00e0ng gi\u1eefa c\u00e1ch \u0111i\u1ec1u khi\u1ec3n di chuy\u1ec3n v\u00e0 c\u00e1ch d\u1eef li\u1ec7u di chuy\u1ec3n. Ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u th\u01b0\u1eddng l\u00e0m m\u1edd ranh gi\u1edbi n\u00e0y. Lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n quy \u0111\u1ecbnh th\u1ee9 t\u1ef1 th\u1ef1c thi. Lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng quy \u0111\u1ecbnh s\u1ef1 di chuy\u1ec3n c\u1ee7a d\u1eef li\u1ec7u ho\u1eb7c tr\u1ea1ng th\u00e1i gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng.<\/p>\n

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      Lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n:<\/strong>\u0110\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng c\u00e1c \u0111\u01b0\u1eddng li\u1ec1n n\u00e9t c\u00f3 m\u0169i t\u00ean. N\u00f3 hi\u1ec3n th\u1ecb tr\u00ecnh t\u1ef1 c\u1ee7a c\u00e1c h\u00e0nh \u0111\u1ed9ng.<\/p>\n<\/li>\n

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      Lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng:<\/strong>\u0110\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng c\u00e1c \u0111\u01b0\u1eddng n\u00e9t \u0111\u1ee9t c\u00f3 m\u0169i t\u00ean h\u1edf. N\u00f3 hi\u1ec3n th\u1ecb d\u1eef li\u1ec7u truy\u1ec1n gi\u1eefa c\u00e1c h\u00e0nh \u0111\u1ed9ng.<\/p>\n<\/li>\n<\/ul>\n

      N\u1ebfu b\u1ea1n tr\u1ed9n l\u1eabn ch\u00fang, logic c\u1ee7a h\u1ec7 th\u1ed1ng s\u1ebd tr\u1edf n\u00ean m\u01a1 h\u1ed3. M\u1ed9t nh\u00e0 ph\u00e1t tri\u1ec3n \u0111\u1ecdc bi\u1ec3u \u0111\u1ed3 c\u00f3 th\u1ec3 kh\u00f4ng bi\u1ebft li\u1ec7u m\u1ed9t h\u00e0nh \u0111\u1ed9ng c\u1ee5 th\u1ec3 c\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c ho\u00e0n th\u00e0nh h\u00e0nh \u0111\u1ed9ng tr\u01b0\u1edbc \u0111\u00f3 hay kh\u00f4ng, hay ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 c\u1ea7n d\u1eef li\u1ec7u t\u1eeb n\u00f3. Lu\u00f4n \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c n\u00fat quy\u1ebft \u0111\u1ecbnh v\u00e0 c\u00e1c n\u00fat h\u1ee3p nh\u1ea5t \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i qua c\u00e1c \u0111\u01b0\u1eddng lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n. C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng d\u1eef li\u1ec7u n\u00ean \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n r\u00f5 r\u00e0ng khi ch\u00fang l\u00e0 \u0111\u1ea7u v\u00e0o ho\u1eb7c \u0111\u1ea7u ra c\u1ee7a m\u1ed9t h\u00e0nh \u0111\u1ed9ng c\u1ee5 th\u1ec3.<\/p>\n

      \u26a0\ufe0f L\u1ed7i 3: B\u1ecf qua c\u00e1c \u0111i\u1ec3m v\u00e0o v\u00e0 \u0111i\u1ec3m ra<\/h2>\n

      M\u1ecdi bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng, bao g\u1ed3m c\u1ea3 c\u00e1c b\u1ea3n t\u00f3m t\u1eaft t\u01b0\u01a1ng t\u00e1c, \u0111\u1ec1u ph\u1ea3i c\u00f3 \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u v\u00e0 \u0111i\u1ec3m k\u1ebft th\u00fac \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng. Ng\u01b0\u1eddi m\u1edbi th\u01b0\u1eddng t\u1ea1o ra c\u00e1c \u0111o\u1ea1n logic r\u1eddi r\u1ea1c m\u00e0 kh\u00f4ng g\u1eafn ch\u00fang v\u1edbi \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u ho\u1eb7c k\u1ebft lu\u1eadn. \u0110i\u1ec1u n\u00e0y khi\u1ebfn h\u00e0nh vi c\u1ee7a h\u1ec7 th\u1ed1ng tr\u1edf n\u00ean kh\u00f4ng x\u00e1c \u0111\u1ecbnh.<\/p>\n

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        N\u00fat kh\u1edfi t\u1ea1o:<\/strong> M\u1ed9t h\u00ecnh tr\u00f2n \u0111en \u0111\u1eb7c. \u0110i\u1ec1u n\u00e0y ch\u1ec9 ra n\u01a1i quy tr\u00ecnh b\u1eaft \u0111\u1ea7u.<\/p>\n<\/li>\n

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        N\u00fat k\u1ebft th\u00fac:<\/strong> M\u1ed9t h\u00ecnh tr\u00f2n \u0111en \u0111\u01b0\u1ee3c bao quanh b\u1edfi m\u1ed9t v\u00f2ng tr\u00f2n. \u0110i\u1ec1u n\u00e0y ch\u1ec9 ra n\u01a1i quy tr\u00ecnh k\u1ebft th\u00fac th\u00e0nh c\u00f4ng.<\/p>\n<\/li>\n

      • \n

        N\u00fat ho\u1ea1t \u0111\u1ed9ng k\u1ebft th\u00fac:<\/strong> M\u1ed9t h\u00ecnh tr\u00f2n \u0111en c\u00f3 m\u1ed9t v\u00f2ng tr\u00f2n d\u00e0y. \u0110i\u1ec1u n\u00e0y ch\u1ec9 ra n\u01a1i quy tr\u00ecnh k\u1ebft th\u00fac, th\u01b0\u1eddng b\u00e1o hi\u1ec7u m\u1ed9t ngo\u1ea1i l\u1ec7 ho\u1eb7c s\u1ef1 ch\u1ea5m d\u1ee9t.<\/p>\n<\/li>\n<\/ul>\n

        Kh\u00f4ng c\u00f3 c\u00e1c n\u00fat n\u00e0y, bi\u1ec3u \u0111\u1ed3 s\u1ebd kh\u00f4ng ho\u00e0n ch\u1ec9nh. S\u1ebd kh\u00f4ng th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c li\u1ec7u h\u1ec7 th\u1ed1ng c\u00f3 ph\u1ee5c h\u1ed3i sau l\u1ed7i hay d\u1eebng l\u1ea1i v\u00f4 th\u1eddi h\u1ea1n. H\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ecdi \u0111\u01b0\u1eddng d\u1eabn trong bi\u1ec3u \u0111\u1ed3 c\u1ee7a b\u1ea1n cu\u1ed1i c\u00f9ng \u0111\u1ec1u d\u1eabn \u0111\u1ebfn m\u1ed9t n\u00fat k\u1ebft th\u00fac. C\u00e1c \u0111i\u1ec3m ch\u1ebft l\u00e0 l\u1ed7i logic trong m\u00f4 h\u00ecnh.<\/p>\n

        \u26a0\ufe0f Sai l\u1ea7m 4: S\u1eed d\u1ee5ng sai h\u00e0nh \u0111\u1ed9ng g\u1ecdi h\u00e0nh vi<\/h2>\n

        H\u00e0nh \u0111\u1ed9ng g\u1ecdi h\u00e0nh vi l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd \u0111\u1ec3 li\u00ean k\u1ebft c\u00e1c lu\u1ed3ng c\u1ea5p cao v\u1edbi c\u00e1c chu\u1ed7i chi ti\u1ebft. Tuy nhi\u00ean, n\u00f3 th\u01b0\u1eddng b\u1ecb s\u1eed d\u1ee5ng sai. M\u1ed9t s\u1ed1 ng\u01b0\u1eddi m\u00f4 h\u00ecnh h\u00f3a coi n\u00f3 nh\u01b0 m\u1ed9t c\u00fa nh\u1ea5p chu\u1ed9t \u0111\u01a1n gi\u1ea3n, b\u1ecf qua c\u00e1c tham s\u1ed1 v\u00e0 gi\u00e1 tr\u1ecb tr\u1ea3 v\u1ec1.<\/p>\n

          \n
        • \n

          B\u1ed1i c\u1ea3nh quan tr\u1ecdng:<\/strong> Khi g\u1ecdi m\u1ed9t h\u00e0nh vi, h\u00e3y ch\u1ec9 \u0111\u1ecbnh c\u00e1c tham s\u1ed1 c\u1ea7n thi\u1ebft. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o bi\u1ec3u \u0111\u1ed3 nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u n\u00e0o c\u1ea7n mong \u0111\u1ee3i.<\/p>\n<\/li>\n

        • \n

          Gi\u00e1 tr\u1ecb tr\u1ea3 v\u1ec1:<\/strong> X\u00e1c \u0111\u1ecbnh d\u1eef li\u1ec7u n\u00e0o \u0111\u01b0\u1ee3c truy\u1ec1n l\u1ea1i cho b\u1ea3n t\u00f3m t\u1eaft. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c n\u00fat quy\u1ebft \u0111\u1ecbnh ti\u1ebfp theo.<\/p>\n<\/li>\n

        • \n

          T\u00ednh nh\u1ea5t qu\u00e1n:<\/strong> \u0110\u1ea3m b\u1ea3o t\u00ean c\u1ee7a h\u00e0nh vi trong b\u1ea3n t\u00f3m t\u1eaft kh\u1edbp ch\u00ednh x\u00e1c v\u1edbi t\u00ean trong bi\u1ec3u \u0111\u1ed3 chi ti\u1ebft.<\/p>\n<\/li>\n<\/ul>\n

          N\u1ebfu b\u1ea1n g\u1ecdi m\u1ed9t h\u00e0nh vi m\u00e0 kh\u00f4ng \u0111\u1ecbnh ngh\u0129a h\u1ee3p \u0111\u1ed3ng c\u1ee7a n\u00f3, m\u00f4 h\u00ecnh s\u1ebd tr\u1edf th\u00e0nh m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c m\u1ea3nh r\u1eddi r\u1ea1c. Ki\u1ec3m th\u1eed t\u00edch h\u1ee3p s\u1ebd th\u1ea5t b\u1ea1i v\u00ec c\u00e1c k\u1ef3 v\u1ecdng do b\u1ea3n t\u00f3m t\u1eaft \u0111\u1eb7t ra kh\u00f4ng kh\u1edbp v\u1edbi th\u1ef1c t\u1ebf c\u1ee7a thi\u1ebft k\u1ebf chi ti\u1ebft.<\/p>\n

          \u26a0\ufe0f Sai l\u1ea7m 5: B\u1ecf qua c\u00e1c n\u00fat quy\u1ebft \u0111\u1ecbnh v\u00e0 n\u00fat h\u1ee3p nh\u1ea5t<\/h2>\n

          Ph\u1ea7n m\u1ec1m trong th\u1ef1c t\u1ebf hi\u1ebfm khi mang t\u00ednh tuy\u1ebfn t\u00ednh. N\u00f3 li\u00ean quan \u0111\u1ebfn c\u00e1c \u0111i\u1ec1u ki\u1ec7n, v\u00f2ng l\u1eb7p v\u00e0 c\u00e1c nh\u00e1nh \u0111\u01b0\u1eddng d\u1eabn. Ng\u01b0\u1eddi m\u1edbi th\u01b0\u1eddng v\u1ebd c\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng t\u1eeb \u0111\u1ea7u \u0111\u1ebfn cu\u1ed1i, b\u1ecf qua s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a logic.<\/p>\n

            \n
          • \n

            N\u00fat quy\u1ebft \u0111\u1ecbnh:<\/strong> \u0110\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng h\u00ecnh thoi. Ch\u00fang \u0111\u1ecbnh tuy\u1ebfn lu\u1ed3ng d\u1ef1a tr\u00ean m\u1ed9t \u0111i\u1ec1u ki\u1ec7n (v\u00ed d\u1ee5: \u201cNg\u01b0\u1eddi d\u00f9ng \u0111\u00e3 \u0111\u0103ng nh\u1eadp ch\u01b0a?\u201d).<\/p>\n<\/li>\n

          • \n

            N\u00fat h\u1ee3p nh\u1ea5t:<\/strong> C\u0169ng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng h\u00ecnh thoi, nh\u01b0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 h\u1ee3p nh\u1ea5t c\u00e1c lu\u1ed3ng \u0111\u00e3 t\u00e1ch ra tr\u01b0\u1edbc \u0111\u00f3.<\/p>\n<\/li>\n<\/ul>\n

            Vi\u1ec7c kh\u00f4ng bao g\u1ed3m c\u00e1c n\u00fat n\u00e0y t\u1ea1o ra c\u1ea3m gi\u00e1c \u0111\u01a1n gi\u1ea3n sai l\u1ea7m. N\u1ebfu ng\u01b0\u1eddi d\u00f9ng nh\u1eadp d\u1eef li\u1ec7u kh\u00f4ng h\u1ee3p l\u1ec7, lu\u1ed3ng s\u1ebd \u0111i \u0111\u00e2u? N\u1ebfu d\u1ecbch v\u1ee5 h\u1ebft th\u1eddi gian, c\u00f3 \u0111\u01b0\u1eddng d\u1eabn thay th\u1ebf n\u00e0o kh\u00f4ng? B\u1ea1n ph\u1ea3i m\u00f4 h\u00ecnh h\u00f3a c\u00e1c tr\u1ea1ng th\u00e1i l\u1ed7i. M\u1ed9t bi\u1ec3u \u0111\u1ed3 m\u1ea1nh m\u1ebd ph\u1ea3i t\u00ednh \u0111\u1ebfn th\u00e0nh c\u00f4ng, th\u00e0nh c\u00f4ng m\u1ed9t ph\u1ea7n v\u00e0 th\u1ea5t b\u1ea1i.<\/p>\n

            \u26a0\ufe0f Sai l\u1ea7m 6: \u0110\u1ed9 chi ti\u1ebft kh\u00f4ng nh\u1ea5t qu\u00e1n<\/h2>\n

            \u0110\u1ed9 chi ti\u1ebft \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 chi ti\u1ebft trong c\u00e1c n\u00fat c\u1ee7a b\u1ea1n. M\u1ed9t l\u1ed7i ph\u1ed5 bi\u1ebfn l\u00e0 tr\u1ed9n l\u1eabn c\u00e1c b\u01b0\u1edbc kinh doanh c\u1ea5p cao v\u1edbi c\u00e1c b\u01b0\u1edbc k\u1ef9 thu\u1eadt c\u1ea5p th\u1ea5p trong c\u00f9ng m\u1ed9t bi\u1ec3u \u0111\u1ed3. V\u00ed d\u1ee5, m\u1ed9t n\u00fat c\u00f3 th\u1ec3 ghi \u201cX\u1eed l\u00fd \u0111\u01a1n h\u00e0ng\u201d trong khi n\u00fat kh\u00e1c ghi \u201cX\u00e1c th\u1ef1c s\u1ed1 th\u1ebb t\u00edn d\u1ee5ng.\u201d<\/p>\n

              \n
            • \n

              V\u1ea5n \u0111\u1ec1:<\/strong> \u201cX\u1eed l\u00fd \u0111\u01a1n h\u00e0ng\u201d l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m kinh doanh. \u201cX\u00e1c th\u1ef1c s\u1ed1 th\u1ebb t\u00edn d\u1ee5ng\u201d l\u00e0 m\u1ed9t chi ti\u1ebft tri\u1ec3n khai k\u1ef9 thu\u1eadt.<\/p>\n<\/li>\n

            • \n

              Gi\u1ea3i ph\u00e1p:<\/strong>Gi\u1eef cho b\u1ea3n t\u00f3m t\u1eaft t\u1eadp trung v\u00e0o logic kinh doanh ho\u1eb7c c\u00e1c c\u1ed9t m\u1ed1c ki\u1ebfn tr\u00fac. H\u00e3y \u0111\u1ec3 c\u00e1c bi\u1ec3u \u0111\u1ed3 chi ti\u1ebft x\u1eed l\u00fd c\u00e1c b\u01b0\u1edbc x\u00e1c th\u1ef1c k\u1ef9 thu\u1eadt.<\/p>\n<\/li>\n<\/ul>\n

              S\u1ef1 kh\u00f4ng nh\u1ea5t qu\u00e1n n\u00e0y g\u00e2y nh\u1ea7m l\u1eabn cho ng\u01b0\u1eddi \u0111\u1ecdc. C\u00e1c b\u00ean li\u00ean quan trong kinh doanh kh\u00f4ng th\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1ch tri\u1ec3n khai k\u1ef9 thu\u1eadt, trong khi c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n l\u1ea1i b\u1ecb sa l\u1ea7y trong c\u00e1c quy t\u1eafc kinh doanh. H\u00e3y \u0111i\u1ec1u ch\u1ec9nh m\u1ee9c \u0111\u1ed9 chi ti\u1ebft ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee7a b\u1ea1n. \u0110\u1ed1i v\u1edbi bu\u1ed5i xem x\u00e9t thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt ng\u1eef k\u1ef9 thu\u1eadt nh\u1ea5t qu\u00e1n. \u0110\u1ed1i v\u1edbi bu\u1ed5i xem x\u00e9t kinh doanh, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt ng\u1eef kinh doanh nh\u1ea5t qu\u00e1n.<\/p>\n

              \u26a0\ufe0f Sai l\u1ea7m 7: Thi\u1ebfu t\u00e0i li\u1ec7u v\u00e0 ghi ch\u00fa<\/h2>\n

              Bi\u1ec3u \u0111\u1ed3 l\u00e0 c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 tr\u1ef1c quan, kh\u00f4ng ph\u1ea3i l\u00e0 t\u00e0i li\u1ec7u quy ph\u1ea1m ho\u00e0n ch\u1ec9nh. Ng\u01b0\u1eddi m\u1edbi th\u01b0\u1eddng cho r\u1eb1ng c\u00e1c k\u00fd hi\u1ec7u tr\u1ef1c quan \u0111\u00e3 gi\u1ea3i th\u00edch m\u1ecdi th\u1ee9. H\u1ecd qu\u00ean th\u00eam c\u00e1c ghi ch\u00fa, nh\u1eadn x\u00e9t ho\u1eb7c t\u00e0i li\u1ec7u \u0111\u1ec3 l\u00e0m r\u00f5 ng\u1eef c\u1ea3nh.<\/p>\n

                \n
              • \n

                S\u1ef1 r\u00f5 r\u00e0ng:<\/strong>S\u1eed d\u1ee5ng c\u00e1c ghi ch\u00fa \u0111\u1ec3 gi\u1ea3i th\u00edch c\u00e1c quy t\u1eafc ph\u1ee9c t\u1ea1p kh\u00f3 c\u00f3 th\u1ec3 bi\u1ec3u di\u1ec5n b\u1eb1ng c\u00e1c k\u00fd hi\u1ec7u ti\u00eau chu\u1ea9n.<\/p>\n<\/li>\n

              • \n

                Qu\u1ea3n l\u00fd phi\u00ean b\u1ea3n:<\/strong>Th\u00eam si\u00eau d\u1eef li\u1ec7u v\u00e0o bi\u1ec3u \u0111\u1ed3 \u0111\u1ec3 ch\u1ec9 r\u00f5 phi\u00ean b\u1ea3n v\u00e0 ng\u00e0y t\u1ea1o.<\/p>\n<\/li>\n

              • \n

                C\u00e1c gi\u1ea3 \u0111\u1ecbnh:<\/strong>Ghi l\u1ea1i m\u1ecdi gi\u1ea3 \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111\u01b0a ra trong qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf. \u0110i\u1ec1u n\u00e0y ng\u0103n ch\u1eb7n c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n trong t\u01b0\u01a1ng lai ph\u1ea3i \u0111o\u00e1n m\u00f2.<\/p>\n<\/li>\n<\/ul>\n

                M\u1ed9t bi\u1ec3u \u0111\u1ed3 kh\u00f4ng c\u00f3 ng\u1eef c\u1ea3nh l\u00e0 m\u1ed9t c\u00e2u \u0111\u1ed1. M\u1ed9t bi\u1ec3u \u0111\u1ed3 c\u00f3 ng\u1eef c\u1ea3nh l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5. Lu\u00f4n bao g\u1ed3m b\u1ea3ng ch\u00fa gi\u1ea3i ho\u1eb7c ch\u00eca kh\u00f3a n\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng k\u00fd hi\u1ec7u kh\u00f4ng chu\u1ea9n. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea5t k\u1ef3 ai \u0111\u1ecdc t\u00e0i li\u1ec7u, ngay c\u1ea3 sau nhi\u1ec1u th\u00e1ng, c\u0169ng hi\u1ec3u \u0111\u01b0\u1ee3c \u00fd \u0111\u1ecbnh.<\/p>\n

                \ud83d\udcca So s\u00e1nh: Th\u1ef1c h\u00e0nh t\u1ed1t so v\u1edbi c\u00e1c l\u1ed7i ph\u1ed5 bi\u1ebfn<\/h2>\n

                \u0110\u1ec3 gi\u00fap b\u1ea1n nhanh ch\u00f3ng x\u00e1c \u0111\u1ecbnh n\u01a1i m\u00f4 h\u00ecnh h\u00f3a c\u1ee7a m\u00ecnh c\u00f3 th\u1ec3 \u0111ang \u0111i ch\u1ec7ch h\u01b0\u1edbng, h\u00e3y tham kh\u1ea3o b\u1ea3ng so s\u00e1nh sau. B\u1ea3ng n\u00e0y l\u00e0m n\u1ed5i b\u1eadt s\u1ef1 t\u01b0\u01a1ng ph\u1ea3n gi\u1eefa thi\u1ebft k\u1ebf hi\u1ec7u qu\u1ea3 v\u00e0 c\u00e1c l\u1ed7i ph\u1ed5 bi\u1ebfn c\u1ee7a ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u.<\/p>\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n\n
                \n

                Kh\u00eda c\u1ea1nh<\/p>\n<\/th>\n

                		\n

                \u274c L\u1ed7i ph\u1ed5 bi\u1ebfn<\/p>\n<\/th>\n

                		\n

                \u2705 Th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t<\/p>\n<\/th>\n<\/tr>\n

                \n

                Ph\u1ea1m vi<\/strong><\/p>\n<\/td>\n

                		\n

                Bao g\u1ed3m m\u1ecdi trao \u0111\u1ed5i th\u00f4ng \u0111i\u1ec7p ri\u00eang l\u1ebb.<\/p>\n<\/td>\n

                		\n

                Hi\u1ec3n th\u1ecb lu\u1ed3ng t\u1ed5ng quan gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh.<\/p>\n<\/td>\n<\/tr>\n

                \n

                Lo\u1ea1i lu\u1ed3ng<\/strong><\/p>\n<\/td>\n

                		\n

                S\u1eed d\u1ee5ng \u0111\u01b0\u1eddng li\u1ec1n \u0111\u1ec3 bi\u1ec3u th\u1ecb lu\u1ed3ng d\u1eef li\u1ec7u.<\/p>\n<\/td>\n

                		\n

                S\u1eed d\u1ee5ng \u0111\u01b0\u1eddng li\u1ec1n cho \u0111i\u1ec1u khi\u1ec3n v\u00e0 \u0111\u01b0\u1eddng \u0111\u1ee9t \u0111o\u1ea1n cho d\u1eef li\u1ec7u.<\/p>\n<\/td>\n<\/tr>\n

                \n

                S\u1ef1 k\u1ebft th\u00fac<\/strong><\/p>\n<\/td>\n

                		\n

                K\u1ebft th\u00fac \u0111\u1ed9t ng\u1ed9t m\u00e0 kh\u00f4ng c\u00f3 n\u00fat cu\u1ed1i c\u00f9ng.<\/p>\n<\/td>\n

                		\n

                \u0110\u00e1nh d\u1ea5u r\u00f5 r\u00e0ng c\u00e1c \u0111i\u1ec3m tho\u00e1t th\u00e0nh c\u00f4ng v\u00e0 \u0111i\u1ec3m tho\u00e1t l\u1ed7i.<\/p>\n<\/td>\n<\/tr>\n

                \n

                M\u1ee9c \u0111\u1ed9 chi ti\u1ebft<\/strong><\/p>\n<\/td>\n

                		\n

                Tr\u1ed9n l\u1eabn c\u00e1c b\u01b0\u1edbc kinh doanh v\u00e0 k\u1ef9 thu\u1eadt.<\/p>\n<\/td>\n

                		\n

                Gi\u1eef m\u1ee9c \u0111\u1ed9 chi ti\u1ebft nh\u1ea5t qu\u00e1n tr\u00ean to\u00e0n b\u1ed9.<\/p>\n<\/td>\n<\/tr>\n

                \n

                T\u00e0i li\u1ec7u tham kh\u1ea3o<\/strong><\/p>\n<\/td>\n

                		\n

                M\u00e3 c\u1ee9ng c\u00e1c chi ti\u1ebft logic n\u1ed9i b\u1ed9.<\/p>\n<\/td>\n

                		\n

                S\u1eed d\u1ee5ng H\u00e0nh \u0111\u1ed9ng G\u1ecdi H\u00e0nh vi \u0111\u1ec3 \u1ee7y quy\u1ec1n.<\/p>\n<\/td>\n<\/tr>\n

                \n

                Logic<\/strong><\/p>\n<\/td>\n

                		\n

                Gi\u1ea3 \u0111\u1ecbnh ch\u1ec9 c\u00f3 m\u1ed9t \u0111\u01b0\u1eddng th\u00e0nh c\u00f4ng duy nh\u1ea5t.<\/p>\n<\/td>\n

                		\n

                M\u00f4 h\u00ecnh h\u00f3a c\u00e1c n\u00fat quy\u1ebft \u0111\u1ecbnh cho logic ph\u00e2n nh\u00e1nh.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                \ud83d\udee0\ufe0f C\u00e1c b\u01b0\u1edbc th\u1ef1c ti\u1ec5n \u0111\u1ec3 r\u00e0 so\u00e1t m\u00f4 h\u00ecnh c\u1ee7a b\u1ea1n<\/h2>\n

                Sau khi \u0111\u00e3 t\u1ea1o b\u1ea3n nh\u00e1p ban \u0111\u1ea7u, \u0111\u1eebng gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng n\u00f3 \u0111\u00e3 \u0111\u00fang. H\u00e3y th\u1ef1c hi\u1ec7n m\u1ed9t cu\u1ed9c r\u00e0 so\u00e1t c\u00f3 h\u1ec7 th\u1ed1ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n l\u1ed7i tr\u01b0\u1edbc khi chia s\u1ebb v\u1edbi nh\u00f3m.<\/p>\n

                  \n
                1. \n

                  Theo d\u00f5i \u0111\u01b0\u1eddng \u0111i:<\/strong>B\u1eaft \u0111\u1ea7u t\u1eeb n\u00fat kh\u1edfi \u0111\u1ea7u. Theo d\u00f5i m\u1ecdi \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ebfn t\u1eadn c\u00f9ng. M\u1ecdi \u0111\u01b0\u1eddng \u0111i c\u00f3 \u0111\u1ec1u d\u1eabn \u0111\u1ebfn n\u00fat k\u1ebft th\u00fac kh\u00f4ng? N\u1ebfu b\u1ea1n g\u1eb7p ph\u1ea3i m\u1ed9t b\u1ee9c t\u01b0\u1eddng (\u0111\u01b0\u1eddng d\u1eabn b\u1ecb \u0111\u1ee9t \u0111o\u1ea1n), b\u1ea1n \u0111\u00e3 c\u00f3 l\u1ed7i.<\/p>\n<\/li>\n

                2. \n

                  Ki\u1ec3m tra d\u1eef li\u1ec7u:<\/strong>Xem x\u00e9t m\u1ecdi h\u00e0nh \u0111\u1ed9ng. N\u00f3 c\u00f3 \u0111\u1ee7 c\u00e1c \u0111\u1ea7u v\u00e0o c\u1ea7n thi\u1ebft kh\u00f4ng? N\u00f3 c\u00f3 t\u1ea1o ra c\u00e1c \u0111\u1ea7u ra nh\u01b0 mong \u0111\u1ee3i kh\u00f4ng? \u0110\u1ea3m b\u1ea3o lu\u1ed3ng d\u1eef li\u1ec7u kh\u1edbp v\u1edbi lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n.<\/p>\n<\/li>\n

                3. \n

                  X\u00e1c minh c\u00e1c tham chi\u1ebfu:<\/strong>Nh\u1ea5p v\u00e0o m\u1ecdi H\u00e0nh \u0111\u1ed9ng G\u1ecdi H\u00e0nh vi. Bi\u1ec3u \u0111\u1ed3 \u0111\u00edch c\u00f3 t\u1ed3n t\u1ea1i kh\u00f4ng? Ch\u1eef k\u00fd (signature) c\u00f3 ch\u00ednh x\u00e1c kh\u00f4ng?<\/p>\n<\/li>\n

                4. \n

                  R\u00e0 so\u00e1t c\u00f9ng \u0111\u1ed3ng nghi\u1ec7p:<\/strong>Cho ng\u01b0\u1eddi ch\u01b0a t\u1eebng t\u1ea1o ra bi\u1ec3u \u0111\u1ed3 xem. H\u1ecd c\u00f3 th\u1ec3 gi\u1ea3i th\u00edch lu\u1ed3ng ho\u1ea1t \u0111\u1ed9ng m\u00e0 kh\u00f4ng c\u1ea7n h\u1ecfi b\u1ea1n kh\u00f4ng? N\u1ebfu h\u1ecd b\u1ed1i r\u1ed1i, bi\u1ec3u \u0111\u1ed3 ch\u01b0a \u0111\u1ee7 r\u00f5 r\u00e0ng.<\/p>\n<\/li>\n

                5. \n

                  Ki\u1ec3m tra k\u00fd hi\u1ec7u:<\/strong>\u0110\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 c\u00e1c k\u00fd hi\u1ec7u kh\u1edbp v\u1edbi k\u00fd hi\u1ec7u UML ti\u00eau chu\u1ea9n. Kh\u00f4ng t\u1ef1 \u00fd t\u1ea1o ra c\u00e1c h\u00ecnh d\u1ea1ng m\u1edbi tr\u1eeb khi th\u1ef1c s\u1ef1 c\u1ea7n thi\u1ebft, v\u00e0 h\u00e3y ghi ch\u00fa l\u1ea1i n\u1ebfu b\u1ea1n c\u00f3 l\u00e0m \u0111i\u1ec1u \u0111\u00f3.<\/p>\n<\/li>\n<\/ol>\n

                  \ud83d\udd0d T\u00e1c \u0111\u1ed9ng c\u1ee7a vi\u1ec7c m\u00f4 h\u00ecnh h\u00f3a k\u00e9m<\/h2>\n

                  T\u1ea1i sao \u0111i\u1ec1u n\u00e0y l\u1ea1i quan tr\u1ecdng? Trong ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m, giao ti\u1ebfp l\u00e0 \u0111\u01a1n v\u1ecb ti\u1ec1n t\u1ec7 ch\u00ednh. N\u1ebfu thi\u1ebft k\u1ebf kh\u00f4ng r\u00f5 r\u00e0ng, vi\u1ec7c tri\u1ec3n khai s\u1ebd b\u1ecb \u1ea3nh h\u01b0\u1edfng. M\u00f4 h\u00ecnh h\u00f3a k\u00e9m d\u1eabn \u0111\u1ebfn:<\/p>\n

                    \n
                  • \n

                    T\u0103ng kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c ph\u1ea3i l\u00e0m l\u1ea1i:<\/strong>C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n tri\u1ec3n khai logic m\u00e2u thu\u1eabn v\u1edbi thi\u1ebft k\u1ebf. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi ph\u1ea3i t\u00e1i c\u1ea5u tr\u00fac t\u1ed1n k\u00e9m v\u1ec1 sau.<\/p>\n<\/li>\n

                  • \n

                    Th\u1ea5t b\u1ea1i trong t\u00edch h\u1ee3p:<\/strong>C\u00e1c nh\u00f3m kh\u00e1c nhau x\u00e2y d\u1ef1ng c\u00e1c th\u00e0nh ph\u1ea7n kh\u00f4ng kh\u1edbp v\u1edbi nhau do c\u00e1c quy t\u1eafc t\u01b0\u01a1ng t\u00e1c kh\u00f4ng r\u00f5 r\u00e0ng.<\/p>\n<\/li>\n

                  • \n

                    M\u1ea5t m\u00e1t ki\u1ebfn th\u1ee9c:<\/strong>Khi m\u1ed9t bi\u1ec3u \u0111\u1ed3 kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7, c\u00e1c th\u00e0nh vi\u00ean m\u1edbi trong nh\u00f3m kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o hi\u1ec7u qu\u1ea3. H\u1ecd ph\u1ea3i \u0111o\u00e1n c\u00e1ch h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<\/li>\n

                  • \n

                    Kho\u1ea3ng tr\u1ed1ng trong ki\u1ec3m th\u1eed:<\/strong>N\u1ebfu b\u1ea3n t\u00f3m t\u1eaft t\u01b0\u01a1ng t\u00e1c kh\u00f4ng hi\u1ec3n th\u1ecb c\u00e1c \u0111\u01b0\u1eddng d\u1eabn l\u1ed7i, ng\u01b0\u1eddi ki\u1ec3m th\u1eed s\u1ebd kh\u00f4ng bi\u1ebft c\u1ea7n ki\u1ec3m th\u1eed c\u00e1c k\u1ecbch b\u1ea3n \u0111\u00f3.<\/p>\n<\/li>\n<\/ul>\n

                    \u0110\u1ea7u t\u01b0 th\u1eddi gian v\u00e0o m\u1ed9t b\u1ea3n t\u00f3m t\u1eaft t\u01b0\u01a1ng t\u00e1c s\u1ea1ch s\u1ebd v\u00e0 ch\u00ednh x\u00e1c s\u1ebd ti\u1ebft ki\u1ec7m \u0111\u00e1ng k\u1ec3 th\u1eddi gian trong c\u00e1c giai \u0111o\u1ea1n l\u1eadp tr\u00ecnh v\u00e0 ki\u1ec3m th\u1eed. N\u00f3 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t h\u1ee3p \u0111\u1ed3ng gi\u1eefa nh\u00f3m thi\u1ebft k\u1ebf v\u00e0 nh\u00f3m tri\u1ec3n khai.<\/p>\n

                    \ud83d\ude80 Ti\u1ebfn v\u1ec1 ph\u00eda tr\u01b0\u1edbc v\u1edbi s\u1ef1 t\u1ef1 tin<\/h2>\n

                    M\u00f4 h\u00ecnh h\u00f3a l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n qua th\u1ef1c h\u00e0nh. H\u00e3y b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c t\u1eadp trung v\u00e0o nh\u1eefng \u0111i\u1ec1u c\u01a1 b\u1ea3n: \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u v\u00e0 k\u1ebft th\u00fac r\u00f5 r\u00e0ng, c\u00e1c \u0111\u01b0\u1eddng lu\u1ed3ng nh\u1ea5t qu\u00e1n v\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng ph\u00e2n c\u1ea5p (delegation) ph\u00f9 h\u1ee3p. Tr\u00e1nh xu h\u01b0\u1edbng mu\u1ed1n hi\u1ec3n th\u1ecb m\u1ecdi th\u1ee9 c\u00f9ng m\u1ed9t l\u00fac. S\u1ef1 \u0111\u01a1n gi\u1ea3n l\u00e0 h\u00ecnh th\u1ee9c tinh vi cao nh\u1ea5t trong thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng.<\/p>\n

                    B\u1eb1ng c\u00e1ch tr\u00e1nh nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c n\u00eau trong h\u01b0\u1edbng d\u1eabn n\u00e0y, b\u1ea1n s\u1ebd t\u1ea1o ra c\u00e1c bi\u1ec3u \u0111\u1ed3 kh\u00f4ng ch\u1ec9 ch\u00ednh x\u00e1c v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt m\u00e0 c\u00f2n h\u1eefu \u00edch. C\u00e1c bi\u1ec3u \u0111\u1ed3 c\u1ee7a b\u1ea1n s\u1ebd \u0111\u00f3ng vai tr\u00f2 l\u00e0 t\u00e0i li\u1ec7u tham kh\u1ea3o \u0111\u00e1ng tin c\u1eady trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a d\u1ef1 \u00e1n. Ch\u00fang s\u1ebd h\u01b0\u1edbng d\u1eabn vi\u1ec7c ph\u00e1t tri\u1ec3n, cung c\u1ea5p th\u00f4ng tin cho c\u00f4ng t\u00e1c ki\u1ec3m th\u1eed v\u00e0 gi\u00fap c\u00e1c b\u00ean li\u00ean quan hi\u1ec3u r\u00f5 ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng.<\/p>\n

                    H\u00e3y nh\u1edb, m\u1ee5c ti\u00eau l\u00e0 s\u1ef1 r\u00f5 r\u00e0ng. N\u1ebfu m\u1ed9t bi\u1ec3u \u0111\u1ed3 d\u1ec5 \u0111\u1ecdc, n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng cao \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t. N\u1ebfu n\u00f3 g\u00e2y b\u1ed1i r\u1ed1i, n\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i. H\u00e3y d\u00e0nh th\u1eddi gian \u0111\u1ec3 tinh ch\u1ec9nh c\u00e1c m\u00f4 h\u00ecnh c\u1ee7a b\u1ea1n. B\u1ea3n th\u00e2n b\u1ea1n trong t\u01b0\u01a1ng lai v\u00e0 nh\u00f3m c\u1ee7a b\u1ea1n s\u1ebd c\u1ea3m \u01a1n b\u1ea1n v\u00ec s\u1ef1 ch\u00ednh x\u00e1c \u0111\u00f3.<\/p>\n","protected":false},"excerpt":{"rendered":"

                    Vi\u1ec7c t\u1ea1o ra c\u00e1c bi\u1ec3u di\u1ec5n tr\u1ef1c quan r\u00f5 r\u00e0ng v\u1ec1 h\u00e0nh vi c\u1ee7a ph\u1ea7n m\u1ec1m l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng hi\u1ec7u qu\u1ea3. Trong s\u1ed1 c\u00e1c lo\u1ea1i…<\/p>\n","protected":false},"author":1,"featured_media":401,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"H\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00e1c l\u1ed7i trong s\u01a1 \u0111\u1ed3 t\u1ed5ng quan t\u01b0\u01a1ng t\u00e1c","_yoast_wpseo_metadesc":"T\u00ecm hi\u1ec3u c\u00e1c l\u1ed7i ph\u1ed5 bi\u1ebfn khi m\u00f4 h\u00ecnh h\u00f3a s\u01a1 \u0111\u1ed3 t\u1ed5ng quan t\u01b0\u01a1ng t\u00e1c. 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