{"id":11181,"date":"2026-04-11T03:40:34","date_gmt":"2026-04-10T19:40:34","guid":{"rendered":"https:\/\/www.archimetric.com\/vn\/uml-state-machine-diagram-workshop-guide\/"},"modified":"2026-04-11T03:40:34","modified_gmt":"2026-04-10T19:40:34","slug":"uml-state-machine-diagram-workshop-guide","status":"publish","type":"post","link":"https:\/\/www.archimetric.com\/vn\/uml-state-machine-diagram-workshop-guide\/","title":{"rendered":"Workshop S\u01a1 \u0111\u1ed3 M\u00e1y tr\u1ea1ng th\u00e1i: C\u00e1c b\u01b0\u1edbc t\u01b0\u01a1ng t\u00e1c \u0111\u1ec3 x\u00e2y d\u1ef1ng s\u01a1 \u0111\u1ed3 \u0111\u1ea7u ti\u00ean c\u1ee7a b\u1ea1n"},"content":{"rendered":"

Thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p \u0111\u00f2i h\u1ecfi h\u01a1n ch\u1ec9 vi\u1ec7c li\u1ec7t k\u00ea c\u00e1c t\u00ednh n\u0103ng. N\u00f3 \u0111\u00f2i h\u1ecfi s\u1ef1 hi\u1ec3u r\u00f5 v\u1ec1 h\u00e0nh vi theo th\u1eddi gian. S\u01a1 \u0111\u1ed3 M\u00e1y tr\u1ea1ng th\u00e1i UML cung c\u1ea5p s\u1ef1 r\u00f5 r\u00e0ng \u0111\u00f3. N\u00f3 tr\u1ef1c quan h\u00f3a 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 kh\u00e1c nhau ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c s\u1ef1 ki\u1ec7n. H\u01b0\u1edbng d\u1eabn workshop n\u00e0y d\u1eabn d\u1eaft b\u1ea1n qua c\u00e1c b\u01b0\u1edbc thi\u1ebft y\u1ebfu \u0111\u1ec3 t\u1ea1o ra m\u1ed9t m\u00f4 h\u00ecnh tr\u1ea1ng th\u00e1i v\u1eefng ch\u1eafc m\u00e0 kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o c\u00f4ng c\u1ee5 c\u1ee5 th\u1ec3 hay nh\u1eefng l\u1eddi qu\u1ea3ng c\u00e1o hoa m\u1ef9.<\/p>\n

D\u00f9 b\u1ea1n \u0111ang m\u00f4 h\u00ecnh h\u00f3a tr\u00ecnh t\u1ef1 \u0111\u0103ng nh\u1eadp, lu\u1ed3ng x\u1eed l\u00fd \u0111\u01a1n h\u00e0ng hay b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u00e8n giao th\u00f4ng, c\u00e1c nguy\u00ean t\u1eafc v\u1eabn lu\u00f4n nh\u1ea5t qu\u00e1n. H\u01b0\u1edbng d\u1eabn n\u00e0y t\u1eadp trung v\u00e0o logic, c\u1ea5u tr\u00fac v\u00e0 c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a hi\u1ec7u qu\u1ea3. Ch\u00fang ta s\u1ebd tr\u00e1nh d\u00f9ng thu\u1eadt ng\u1eef ph\u1ee9c t\u1ea1p khi c\u00f3 th\u1ec3 v\u00e0 \u01b0u ti\u00ean c\u00e1c b\u01b0\u1edbc r\u00f5 r\u00e0ng, c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c.<\/p>\n

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

\ud83e\udde0 Hi\u1ec3u c\u00e1c kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i<\/h2>\n

Tr\u01b0\u1edbc khi v\u1ebd c\u00e1c \u0111\u01b0\u1eddng v\u00e0 h\u00ecnh d\u1ea1ng, b\u1ea1n ph\u1ea3i hi\u1ec3u \u0111\u01b0\u1ee3c t\u1eeb v\u1ef1ng. S\u01a1 \u0111\u1ed3 M\u00e1y tr\u1ea1ng th\u00e1i (SMD) l\u00e0 m\u1ed9t s\u01a1 \u0111\u1ed3 h\u00e0nh vi. N\u00f3 t\u1eadp trung v\u00e0o c\u00e1c kh\u00eda c\u1ea1nh \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng thay v\u00ec c\u1ea5u tr\u00fac t\u0129nh. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng kh\u1ed1i x\u00e2y d\u1ef1ng c\u01a1 b\u1ea3n m\u00e0 b\u1ea1n s\u1ebd s\u1eed d\u1ee5ng xuy\u00ean su\u1ed1t workshop n\u00e0y.<\/p>\n

    \n
  • Tr\u1ea1ng th\u00e1i:<\/strong> M\u1ed9t \u0111i\u1ec1u ki\u1ec7n ho\u1eb7c t\u00ecnh hu\u1ed1ng trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng, trong \u0111\u00f3 n\u00f3 th\u1ecfa m\u00e3n m\u1ed9t \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh, th\u1ef1c hi\u1ec7n m\u1ed9t ho\u1ea1t \u0111\u1ed9ng n\u00e0o \u0111\u00f3 ho\u1eb7c ch\u1edd \u0111\u1ee3i m\u1ed9t s\u1ef1 ki\u1ec7n. H\u00e3y h\u00ecnh dung n\u00f3 nh\u01b0 m\u1ed9t b\u1ee9c \u1ea3nh ch\u1ee5p nhanh c\u1ee7a h\u1ec7 th\u1ed1ng.<\/li>\n
  • Chuy\u1ec3n ti\u1ebfp:<\/strong> C\u01a1 ch\u1ebf khi\u1ebfn h\u1ec7 th\u1ed1ng chuy\u1ec3n t\u1eeb tr\u1ea1ng th\u00e1i n\u00e0y sang tr\u1ea1ng th\u00e1i kh\u00e1c. C\u01a1 ch\u1ebf n\u00e0y \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi m\u1ed9t s\u1ef1 ki\u1ec7n.<\/li>\n
  • S\u1ef1 ki\u1ec7n:<\/strong> M\u1ed9t s\u1ef1 ki\u1ec7n quan tr\u1ecdng khi\u1ebfn chuy\u1ec3n ti\u1ebfp x\u1ea3y ra. N\u00f3 c\u00f3 th\u1ec3 l\u00e0 h\u00e0nh \u0111\u1ed9ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, h\u1ebft h\u1ea1n b\u1ed9 \u0111\u1ebfm th\u1eddi gian ho\u1eb7c m\u1ed9t tin nh\u1eafn t\u1eeb h\u1ec7 th\u1ed1ng kh\u00e1c.<\/li>\n
  • \u0110i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7:<\/strong> M\u1ed9t bi\u1ec3u th\u1ee9c logic ph\u1ea3i \u0111\u00fang \u0111\u1ec3 chuy\u1ec3n ti\u1ebfp x\u1ea3y ra. N\u00f3 th\u00eam t\u00ednh logic v\u00e0o lu\u1ed3ng ho\u1ea1t \u0111\u1ed9ng.<\/li>\n
  • H\u00e0nh \u0111\u1ed9ng v\u00e0o\/ra:<\/strong> C\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n khi b\u01b0\u1edbc v\u00e0o ho\u1eb7c r\u1eddi kh\u1ecfi m\u1ed9t tr\u1ea1ng th\u00e1i c\u1ee5 th\u1ec3.<\/li>\n<\/ul>\n

    Vi\u1ec7c tr\u1ef1c quan h\u00f3a c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y gi\u00fap ng\u0103n ng\u1eeba l\u1ed7i logic trong m\u00e3 ngu\u1ed3n. N\u1ebfu s\u01a1 \u0111\u1ed3 r\u00f5 r\u00e0ng, vi\u1ec7c tri\u1ec3n khai th\u01b0\u1eddng \u0111\u01a1n gi\u1ea3n. Ng\u01b0\u1ee3c l\u1ea1i, m\u1ed9t s\u01a1 \u0111\u1ed3 l\u1ed9n x\u1ed9n th\u01b0\u1eddng cho th\u1ea5y s\u1ef1 nh\u1ea7m l\u1eabn trong y\u00eau c\u1ea7u.<\/p>\n

    \ud83d\udcd0 K\u00fd hi\u1ec7u v\u00e0 bi\u1ec3u t\u01b0\u1ee3ng<\/h2>\n

    UML s\u1eed d\u1ee5ng k\u00fd hi\u1ec7u chu\u1ea9n h\u00f3a \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o b\u1ea5t k\u1ef3 ai \u0111\u1ecdc s\u01a1 \u0111\u1ed3 \u0111\u1ec1u hi\u1ec3u \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng tham chi\u1ebfu cho c\u00e1c bi\u1ec3u t\u01b0\u1ee3ng b\u1ea1n s\u1ebd g\u1eb7p.<\/p>\n\n\n\n\n\n\n\n\n\n
    Bi\u1ec3u t\u01b0\u1ee3ng<\/th>\n\u00dd ngh\u0129a<\/th>\nB\u1ed1i c\u1ea3nh s\u1eed d\u1ee5ng<\/th>\n<\/tr>\n<\/thead>\n
    \ud83d\udd34 H\u00ecnh tr\u00f2n \u0111\u1eadm<\/td>\nTr\u1ea1ng th\u00e1i ban \u0111\u1ea7u<\/td>\nN\u01a1i qu\u00e1 tr\u00ecnh b\u1eaft \u0111\u1ea7u.<\/td>\n<\/tr>\n
    \u2b1b H\u00ecnh tr\u00f2n k\u00e9p<\/td>\nTr\u1ea1ng th\u00e1i cu\u1ed1i<\/td>\nN\u01a1i qu\u00e1 tr\u00ecnh k\u1ebft th\u00fac.<\/td>\n<\/tr>\n
    \ud83d\udfe6 H\u00ecnh ch\u1eef nh\u1eadt bo tr\u00f2n<\/td>\nTr\u1ea1ng th\u00e1i<\/td>\nM\u1ed9t tr\u1ea1ng th\u00e1i ri\u00eang bi\u1ec7t c\u1ee7a h\u1ec7 th\u1ed1ng.<\/td>\n<\/tr>\n
    \u27a1\ufe0f M\u0169i t\u00ean<\/td>\nChuy\u1ec3n ti\u1ebfp<\/td>\nH\u01b0\u1edbng di chuy\u1ec3n gi\u1eefa c\u00e1c tr\u1ea1ng th\u00e1i.<\/td>\n<\/tr>\n
    \ud83c\udff7\ufe0f Nh\u00e3n tr\u00ean m\u0169i t\u00ean<\/td>\nS\u1ef1 ki\u1ec7n \/ H\u00e0nh \u0111\u1ed9ng<\/td>\n\u0110i\u1ec1u g\u00ec k\u00edch ho\u1ea1t s\u1ef1 di chuy\u1ec3n v\u00e0 \u0111i\u1ec1u g\u00ec x\u1ea3y ra trong qu\u00e1 tr\u00ecnh di chuy\u1ec3n.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \ud83d\ude80 Chu\u1ea9n b\u1ecb bu\u1ed5i th\u1ef1c h\u00e0nh<\/h2>\n

    Vi\u1ec7c x\u00e2y d\u1ef1ng s\u01a1 \u0111\u1ed3 \u0111\u00f2i h\u1ecfi ph\u1ea3i c\u00f3 ph\u1ea1m vi x\u00e1c \u0111\u1ecbnh. Vi\u1ec7c c\u1ed1 g\u1eafng m\u00f4 h\u00ecnh h\u00f3a to\u00e0n b\u1ed9 \u1ee9ng d\u1ee5ng c\u00f9ng m\u1ed9t l\u00fac s\u1ebd d\u1eabn \u0111\u1ebfn s\u1ef1 nh\u1ea7m l\u1eabn. H\u00e3y th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc chu\u1ea9n b\u1ecb sau tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u v\u1ebd.<\/p>\n

      \n
    • Ch\u1ecdn m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng duy nh\u1ea5t:<\/strong>T\u1eadp trung v\u00e0o m\u1ed9t l\u1edbp ho\u1eb7c th\u1ef1c th\u1ec3 duy nh\u1ea5t. \u0110\u1eebng c\u1ed1 g\u1eafng m\u00f4 ph\u1ecfng to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng trong m\u1ed9t s\u01a1 \u0111\u1ed3. Trong bu\u1ed5i th\u1ef1c h\u00e0nh n\u00e0y, ch\u00fang ta s\u1ebd m\u00f4 h\u00ecnh h\u00f3a m\u1ed9tB\u1ed9 x\u1eed l\u00fd thanh to\u00e1n<\/em>.<\/li>\n
    • X\u00e1c \u0111\u1ecbnh v\u00f2ng \u0111\u1eddi:<\/strong>H\u1ecfi xem v\u00f2ng \u0111\u1eddi tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0o. Li\u1ec7u n\u00f3 b\u1eaft \u0111\u1ea7u b\u1eb1ng x\u00e1c th\u1ef1c? C\u00f3 k\u1ebft th\u00fac b\u1eb1ng h\u00f3a \u0111\u01a1n kh\u00f4ng? C\u00f3 k\u1ebft th\u00fac b\u1eb1ng l\u1ed7i kh\u00f4ng?<\/li>\n
    • Li\u1ec7t k\u00ea c\u00e1c s\u1ef1 ki\u1ec7n:<\/strong>Ghi l\u1ea1i m\u1ecdi kh\u1ea3 n\u0103ng k\u00edch ho\u1ea1t.G\u1eedi thanh to\u00e1n<\/em>, X\u00e1c minh ngu\u1ed3n v\u1ed1n<\/em>, H\u1ebft th\u1eddi gian<\/em>, Th\u1ebb b\u1ecb t\u1eeb ch\u1ed1i<\/em>.<\/li>\n
    • X\u00e1c \u0111\u1ecbnh c\u00e1c tr\u1ea1ng th\u00e1i:<\/strong>D\u1ef1a tr\u00ean c\u00e1c s\u1ef1 ki\u1ec7n, x\u00e1c \u0111\u1ecbnh c\u00e1c giai \u0111o\u1ea1n ri\u00eang bi\u1ec7t.\u0110ang ch\u1edd<\/em>, \u0110ang x\u1eed l\u00fd<\/em>, Th\u00e0nh c\u00f4ng<\/em>, L\u1ed7i<\/em>.<\/li>\n<\/ul>\n

      \ud83d\udd8c\ufe0f X\u00e2y d\u1ef1ng t\u1eebng b\u01b0\u1edbc<\/h2>\n

      B\u00e2y gi\u1edd ch\u00fang ta chuy\u1ec3n sang ph\u1ea7n t\u01b0\u01a1ng t\u00e1c c\u1ee7a bu\u1ed5i l\u00e0m vi\u1ec7c th\u1ef1c h\u00e0nh. Ch\u00fang ta s\u1ebd x\u00e2y d\u1ef1ng s\u01a1 \u0111\u1ed3 m\u1ed9t c\u00e1ch logic, t\u1eebng l\u1edbp m\u1ed9t. H\u00e3y gi\u1ea3 s\u1eed b\u1ea1n \u0111\u00e3 s\u1eb5n s\u00e0ng m\u1ed9t b\u1ea3ng v\u1ebd tr\u1ed1ng.<\/p>\n

      B\u01b0\u1edbc 1: X\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m v\u00e0o<\/h3>\n

      M\u1ed7i m\u00e1y tr\u1ea1ng th\u00e1i \u0111\u1ec1u c\u1ea7n m\u1ed9t \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u. \u0110\u1eb7t k\u00fd hi\u1ec7u tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u l\u00ean b\u1ea3ng v\u1ebd c\u1ee7a b\u1ea1n. K\u1ebft n\u1ed1i n\u00f3 v\u1edbi tr\u1ea1ng th\u00e1i logic \u0111\u1ea7u ti\u00ean. \u0110\u1ed1i v\u1edbi B\u1ed9 x\u1eed l\u00fd thanh to\u00e1n c\u1ee7a ch\u00fang ta, h\u1ec7 th\u1ed1ng b\u1eaft \u0111\u1ea7u khi s\u1eb5n s\u00e0ng ch\u1ea5p nh\u1eadn \u0111\u1ea7u v\u00e0o. Tr\u1ea1ng th\u00e1i n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0Ng\u01b0ng ho\u1ea1t \u0111\u1ed9ng<\/strong> ho\u1eb7c \u0110ang ch\u1edd<\/strong>.<\/p>\n

        \n
      • \u0110\u1eb7t h\u00ecnh tr\u00f2n \u0111en \u0111\u1eadm.<\/li>\n
      • V\u1ebd m\u1ed9t m\u0169i t\u00ean ch\u1ec9 v\u00e0o h\u1ed9p tr\u1ea1ng th\u00e1i \u0111\u1ea7u ti\u00ean.<\/li>\n
      • Ghi nh\u00e3n cho chuy\u1ec3n ti\u1ebfp b\u1eb1ng s\u1ef1 ki\u1ec7n k\u00edch ho\u1ea1t kh\u1edfi \u0111\u1ea7u (v\u00ed d\u1ee5 nh\u01b0B\u1eaft \u0111\u1ea7u giao d\u1ecbch<\/em>).<\/li>\n<\/ul>\n

        B\u01b0\u1edbc 2: X\u00e1c \u0111\u1ecbnh c\u00e1c tr\u1ea1ng th\u00e1i ch\u00ednh<\/h3>\n

        X\u00e1c \u0111\u1ecbnh c\u00e1c giai \u0111o\u1ea1n ch\u00ednh c\u1ee7a quy tr\u00ecnh. \u0110\u00e2y l\u00e0 nh\u1eefng h\u1ed9p l\u1edbn tr\u00ean b\u1ea3ng v\u1ebd c\u1ee7a b\u1ea1n. \u0110\u1ed1i v\u1edbi B\u1ed9 x\u1eed l\u00fd thanh to\u00e1n, c\u00e1c tr\u1ea1ng th\u00e1i c\u1ed1t l\u00f5i l\u00e0:<\/p>\n

          \n
        • X\u00e1c th\u1ef1c:<\/strong> Ki\u1ec3m tra xem d\u1eef li\u1ec7u \u0111\u00e3 \u0111\u1ea7y \u0111\u1ee7 ch\u01b0a.<\/li>\n
        • X\u1eed l\u00fd:<\/strong> Giao ti\u1ebfp v\u1edbi ng\u00e2n h\u00e0ng ho\u1eb7c c\u1ed5ng thanh to\u00e1n.<\/li>\n
        • Ho\u00e0n t\u1ea5t:<\/strong> K\u1ebft th\u00fac th\u00e0nh c\u00f4ng c\u1ee7a giao d\u1ecbch.<\/li>\n
        • Th\u1ea5t b\u1ea1i:<\/strong> Tr\u1ea1ng th\u00e1i k\u1ebft th\u00fac do l\u1ed7i x\u1ea3y ra.<\/li>\n<\/ul>\n

          V\u1ebd m\u1ed9t h\u00ecnh ch\u1eef nh\u1eadt bo tr\u00f2n cho m\u1ed7i tr\u1ea1ng th\u00e1i. S\u1eafp x\u1ebfp ch\u00fang theo tr\u00ecnh t\u1ef1 h\u1ee3p l\u00fd v\u1ec1 m\u1eb7t th\u1ecb gi\u00e1c, th\u01b0\u1eddng t\u1eeb tr\u00e1i sang ph\u1ea3i ho\u1eb7c t\u1eeb tr\u00ean xu\u1ed1ng d\u01b0\u1edbi.<\/p>\n

          B\u01b0\u1edbc 3: K\u1ebft n\u1ed1i c\u00e1c chuy\u1ec3n ti\u1ebfp<\/h3>\n

          \u0110\u00e2y l\u00e0 n\u01a1i logic \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n. K\u1ebft n\u1ed1i c\u00e1c tr\u1ea1ng th\u00e1i b\u1eb1ng c\u00e1c m\u0169i t\u00ean. \u0110\u1ea3m b\u1ea3o m\u1ed7i tr\u1ea1ng th\u00e1i \u0111\u1ec1u c\u00f3 \u0111\u01b0\u1eddng \u0111i \u0111\u1ebfn tr\u1ea1ng th\u00e1i ti\u1ebfp theo ph\u00f9 h\u1ee3p. H\u00e3y t\u1ef1 h\u1ecfi b\u1ea3n th\u00e2n: \u201cTi\u1ebfp theo s\u1ebd x\u1ea3y ra \u0111i\u1ec1u g\u00ec?\u201d<\/p>\n

            \n
          • T\u1eeb X\u00e1c th\u1ef1c<\/em>, ch\u00fang ta c\u00f3 th\u1ec3 \u0111i \u0111\u1ebfn \u0111\u00e2u?<\/li>\n
          • N\u1ebfu h\u1ee3p l\u1ec7, chuy\u1ec3n \u0111\u1ebfn X\u1eed l\u00fd<\/em>.<\/li>\n
          • N\u1ebfu kh\u00f4ng h\u1ee3p l\u1ec7, chuy\u1ec3n \u0111\u1ebfn Th\u1ea5t b\u1ea1i<\/em>.<\/li>\n<\/ul>\n

            Ghi nh\u00e3n c\u00e1c m\u0169i t\u00ean m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng. S\u1eed d\u1ee5ng \u0111\u1ecbnh d\u1ea1ng S\u1ef1 ki\u1ec7n \/ H\u00e0nh \u0111\u1ed9ng<\/em>. V\u00ed d\u1ee5, h\u1ee3p l\u1ec7 \/ validateData<\/em> ho\u1eb7c kh\u00f4ng h\u1ee3p l\u1ec7 \/ logError<\/em>.<\/p>\n

            B\u01b0\u1edbc 4: Th\u00eam \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7<\/h3>\n

            \u0110\u00f4i khi, m\u1ed9t chuy\u1ec3n ti\u1ebfp ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u th\u1ee9 h\u01a1n l\u00e0 ch\u1ec9 m\u1ed9t s\u1ef1 ki\u1ec7n. N\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c gi\u00e1 tr\u1ecb d\u1eef li\u1ec7u. Nh\u1eefng \u0111i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7. Ch\u00fang \u0111\u01b0\u1ee3c vi\u1ebft trong d\u1ea5u ngo\u1eb7c vu\u00f4ng.<\/p>\n

              \n
            • V\u00ed d\u1ee5: T\u1eeb X\u1eed l\u00fd<\/em>, c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t chuy\u1ec3n ti\u1ebfp \u0111\u1ebfn Ho\u00e0n th\u00e0nh<\/em> ch\u1ec9 n\u1ebfu [s\u1ed1_d\u01b0 >= s\u1ed1_ti\u1ec1n]<\/em>.<\/li>\n
            • V\u00ed d\u1ee5: M\u1ed9t chuy\u1ec3n ti\u1ebfp \u0111\u1ebfn Th\u1eed l\u1ea1i<\/em> ch\u1ec9 n\u1ebfu [l\u1ea7n_th\u1eed < 3]<\/em>.<\/li>\n<\/ul>\n

              Vi\u1ec7c th\u00eam c\u00e1c \u0111i\u1ec1u ki\u1ec7n n\u00e0y l\u00e0m cho s\u01a1 \u0111\u1ed3 tr\u1edf n\u00ean ch\u00ednh x\u00e1c. N\u00f3 cho nh\u00e0 ph\u00e1t tri\u1ec3n bi\u1ebft ch\u00ednh x\u00e1c khi n\u00e0o m\u1ed9t con \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u00e9p truy c\u1eadp.<\/p>\n

              B\u01b0\u1edbc 5: X\u00e1c \u0111\u1ecbnh c\u00e1c h\u00e0nh \u0111\u1ed9ng v\u00e0o v\u00e0 ra<\/h3>\n

              \u0110\u00f4i khi, m\u1ed9t logic c\u1ee5 th\u1ec3 ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c thi m\u1ed7i khi m\u1ed9t tr\u1ea1ng th\u00e1i \u0111\u01b0\u1ee3c v\u00e0o ho\u1eb7c r\u1eddi kh\u1ecfi. \u0110i\u1ec1u n\u00e0y ph\u1ed5 bi\u1ebfn trong vi\u1ec7c ghi nh\u1eadt k\u00fd, \u0111\u1eb7t l\u1ea1i bi\u1ebfn ho\u1eb7c c\u1eadp nh\u1eadt c\u00e1c ch\u1ec9 b\u00e1o giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng.<\/p>\n

                \n
              • V\u00e0o:<\/strong>S\u1eed d\u1ee5ng ti\u1ec1n t\u1ed1 entry\/<\/em> b\u00ean trong h\u1ed9p tr\u1ea1ng th\u00e1i. V\u00ed d\u1ee5: entry\/startTimer()<\/em>.<\/li>\n
              • Ra:<\/strong>S\u1eed d\u1ee5ng ti\u1ec1n t\u1ed1 exit\/<\/em> b\u00ean trong h\u1ed9p tr\u1ea1ng th\u00e1i. V\u00ed d\u1ee5: exit\/closeConnection()<\/em>.<\/li>\n<\/ul>\n

                Gi\u1eef c\u00e1c h\u00e0nh \u0111\u1ed9ng n\u00e0y \u0111\u01a1n gi\u1ea3n. Logic ph\u1ee9c t\u1ea1p n\u00ean n\u1eb1m \u1edf c\u00e1c tr\u00ecnh x\u1eed l\u00fd s\u1ef1 ki\u1ec7n, ch\u1ee9 kh\u00f4ng ph\u1ea3i \u1edf ch\u00ednh c\u00e1c chuy\u1ec3n ti\u1ebfp tr\u1ea1ng th\u00e1i.<\/p>\n

                \ud83e\udde9 X\u1eed l\u00fd \u0111\u1ed9 ph\u1ee9c t\u1ea1p<\/h2>\n

                C\u00e1c h\u1ec7 th\u1ed1ng th\u1ef1c t\u1ebf hi\u1ebfm khi tuy\u1ebfn t\u00ednh. Ch\u00fang th\u01b0\u1eddng c\u00f3 nh\u00e1nh, v\u00f2ng l\u1eb7p ho\u1eb7c c\u00e1c quy tr\u00ecnh song song. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch x\u1eed l\u00fd c\u00e1c t\u00ecnh hu\u1ed1ng \u0111\u00f3.<\/p>\n

                Tr\u1ea1ng th\u00e1i l\u1ed3ng gh\u00e9p (S\u01a1 \u0111\u1ed3 ph\u00e2n c\u1ea5p)<\/h3>\n

                N\u1ebfu m\u1ed9t tr\u1ea1ng th\u00e1i ph\u1ee9c t\u1ea1p, n\u00f3 c\u00f3 th\u1ec3 ch\u1ee9a c\u00e1c tr\u1ea1ng th\u00e1i kh\u00e1c. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 tr\u1ea1ng th\u00e1i t\u1ed5ng h\u1ee3p. V\u00ed d\u1ee5, tr\u1ea1ng th\u00e1i Processing<\/em> c\u00f3 th\u1ec3 c\u00f3 c\u00e1c tr\u1ea1ng th\u00e1i n\u1ed9i b\u1ed9 nh\u01b0 Connecting<\/em> v\u00e0 Authenticating<\/em>.<\/p>\n

                  \n
                • V\u1ebd m\u1ed9t h\u00ecnh ch\u1eef nh\u1eadt l\u1edbn h\u01a1n xung quanh tr\u1ea1ng th\u00e1i Processing<\/em> tr\u1ea1ng th\u00e1i.<\/li>\n
                • \u0110\u1eb7t c\u00e1c tr\u1ea1ng th\u00e1i con b\u00ean trong ranh gi\u1edbi n\u00e0y.<\/li>\n
                • S\u1eed d\u1ee5ng c\u00f9ng c\u00e1c quy t\u1eafc chuy\u1ec3n ti\u1ebfp cho c\u00e1c tr\u1ea1ng th\u00e1i n\u1ed9i b\u1ed9.<\/li>\n<\/ul>\n

                  \u0110i\u1ec1u n\u00e0y gi\u00fap s\u01a1 \u0111\u1ed3 c\u1ea5p cao \u0111\u01b0\u1ee3c g\u1ecdn g\u00e0ng trong khi v\u1eabn b\u1ea3o to\u00e0n chi ti\u1ebft \u1edf nh\u1eefng n\u01a1i c\u1ea7n thi\u1ebft.<\/p>\n

                  C\u00e1c v\u00f9ng song song (c\u00e1c v\u00f9ng tr\u1ef1c giao)<\/h3>\n

                  M\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng th\u1ef1c hi\u1ec7n nhi\u1ec1u t\u00e1c v\u1ee5 \u0111\u1ed3ng th\u1eddi. V\u00ed d\u1ee5, m\u1ed9t Phi\u00ean l\u00e0m vi\u1ec7c<\/em> c\u00f3 th\u1ec3 theo d\u00f5i c\u1ea3 hai X\u00e1c th\u1ef1c<\/em> v\u00e0 Ho\u1ea1t \u0111\u1ed9ng<\/em>\u0111\u1ed9c l\u1eadp v\u1edbi nhau.<\/p>\n

                    \n
                  • Chia h\u1ed9p tr\u1ea1ng th\u00e1i th\u00e0nh c\u00e1c v\u00f9ng ri\u00eang bi\u1ec7t b\u1eb1ng \u0111\u01b0\u1eddng n\u00e9t \u0111\u1ee9t.<\/li>\n
                  • \u0110\u1ea3m b\u1ea3o m\u1ed7i v\u00f9ng c\u00f3 lu\u1ed3ng ri\u00eang bi\u1ec7t.<\/li>\n
                  • C\u00e1c chuy\u1ec3n ti\u1ebfp trong m\u1ed9t v\u00f9ng kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn v\u00f9ng kh\u00e1c tr\u1eeb khi \u0111\u01b0\u1ee3c \u0111\u1ed3ng b\u1ed9 h\u00f3a m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng.<\/li>\n<\/ul>\n

                    \u2705 X\u00e1c minh v\u00e0 Xem x\u00e9t<\/h2>\n

                    Sau khi v\u1ebd s\u01a1 \u0111\u1ed3 xong, b\u1ea1n ph\u1ea3i x\u00e1c minh n\u00f3. M\u1ed9t s\u01a1 \u0111\u1ed3 kh\u00f4ng th\u1ec3 th\u1ef1c thi l\u00e0 v\u00f4 d\u1ee5ng. H\u00e3y s\u1eed d\u1ee5ng danh s\u00e1ch ki\u1ec3m tra sau \u0111\u1ec3 xem x\u00e9t c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n.<\/p>\n

                      \n
                    • Kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn:<\/strong>M\u1ecdi tr\u1ea1ng th\u00e1i \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1eeb tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u kh\u00f4ng?<\/li>\n
                    • T\u00ednh \u0111\u1ea7y \u0111\u1ee7:<\/strong>M\u1ed7i h\u00e0nh tr\u00ecnh \u0111\u1ec1u c\u00f3 tr\u1ea1ng th\u00e1i k\u1ebft th\u00fac kh\u00f4ng? Tr\u00e1nh c\u00e1c ng\u00f5 c\u1ee5t.<\/li>\n
                    • T\u00ednh x\u00e1c \u0111\u1ecbnh:<\/strong>M\u1ed9t s\u1ef1 ki\u1ec7n c\u1ee5 th\u1ec3 trong m\u1ed9t tr\u1ea1ng th\u00e1i c\u1ee5 th\u1ec3 c\u00f3 d\u1eabn \u0111\u1ebfn ch\u1ec9 m\u1ed9t tr\u1ea1ng th\u00e1i ti\u1ebfp theo duy nh\u1ea5t kh\u00f4ng? (Tr\u1eeb khi s\u1eed d\u1ee5ng \u0111i\u1ec1u ki\u1ec7n \u0111\u1ec3 chia nh\u00e1nh).<\/li>\n
                    • T\u00ednh r\u00f5 r\u00e0ng:<\/strong>C\u00e1c m\u0169i t\u00ean c\u00f3 giao nhau qu\u00e1 nhi\u1ec1u kh\u00f4ng? B\u1ea1n c\u00f3 th\u1ec3 theo d\u00f5i lu\u1ed3ng m\u00e0 kh\u00f4ng b\u1ecb nh\u1ea7m l\u1eabn kh\u00f4ng?<\/li>\n<\/ul>\n

                      \ud83d\udee0\ufe0f T\u1eeb s\u01a1 \u0111\u1ed3 \u0111\u1ebfn Tri\u1ec3n khai<\/h2>\n

                      M\u1ee5c ti\u00eau cu\u1ed1i c\u00f9ng c\u1ee7a s\u01a1 \u0111\u1ed3 M\u00e1y tr\u1ea1ng th\u00e1i th\u01b0\u1eddng l\u00e0 m\u00e3 ngu\u1ed3n. M\u1eb7c d\u00f9 b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o m\u00e3 t\u1eeb s\u01a1 \u0111\u1ed3 m\u1ed9t c\u00e1ch th\u1ee7 c\u00f4ng, s\u01a1 \u0111\u1ed3 n\u00e0y \u0111\u00f3ng vai tr\u00f2 nh\u01b0 h\u1ee3p \u0111\u1ed3ng cho nh\u00e0 ph\u00e1t tri\u1ec3n.<\/p>\n

                      Nh\u1eadn di\u1ec7n c\u00e1c m\u1eabu tr\u1ea1ng th\u00e1i<\/h3>\n

                      Khi b\u1ea1n chuy\u1ec3n giao s\u01a1 \u0111\u1ed3, h\u00e3y ch\u1ec9 ra c\u00e1c m\u1eabu b\u1ea1n \u0111\u00e3 s\u1eed d\u1ee5ng.<\/p>\n

                        \n
                      • Logic d\u1ef1a tr\u00ean tr\u1ea1ng th\u00e1i:<\/strong> H\u00e0nh vi c\u1ee7a h\u1ec7 th\u1ed1ng thay \u0111\u1ed5i d\u1ef1a tr\u00ean tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i.<\/li>\n
                      • D\u1eabn d\u1eaft b\u1edfi s\u1ef1 ki\u1ec7n:<\/strong> H\u1ec7 th\u1ed1ng ch\u1edd \u0111\u1ee3i c\u00e1c s\u1ef1 ki\u1ec7n k\u00edch ho\u1ea1t c\u1ee5 th\u1ec3.<\/li>\n
                      • Logic b\u1ea3o v\u1ec7:<\/strong> C\u00e1c \u0111i\u1ec1u ki\u1ec7n ng\u0103n c\u1ea3n chuy\u1ec3n ti\u1ebfp.<\/li>\n<\/ul>\n

                        Tr\u00e1nh c\u00e1c s\u01a1 \u0111\u1ed3 h\u1ed7n \u0111\u1ed9n<\/h3>\n

                        M\u1ed9t sai l\u1ea7m ph\u1ed5 bi\u1ebfn l\u00e0 t\u1ea1o ra m\u1ed9t m\u1ea1ng l\u01b0\u1edbi c\u00e1c \u0111\u01b0\u1eddng ch\u00e9o nhau. N\u1ebfu s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n tr\u00f4ng gi\u1ed1ng nh\u01b0 m\u1ed9t \u0111\u0129a m\u00ec \u1ed1ng, th\u00ec n\u00f3 qu\u00e1 ph\u1ee9c t\u1ea1p. H\u00e3y t\u00e1i c\u1ea5u tr\u00fac n\u00f3.<\/p>\n

                          \n
                        • Chia c\u00e1c tr\u1ea1ng th\u00e1i l\u1edbn th\u00e0nh c\u00e1c tr\u1ea1ng th\u00e1i h\u1ee3p th\u00e0nh.<\/li>\n
                        • Lo\u1ea1i b\u1ecf c\u00e1c chuy\u1ec3n ti\u1ebfp th\u1eeba.<\/li>\n
                        • \u0110\u1ea3m b\u1ea3o lu\u1ed3ng l\u00e0 tuy\u1ebfn t\u00ednh m\u1ed7i khi c\u00f3 th\u1ec3.<\/li>\n<\/ul>\n

                          T\u00ednh r\u00f5 r\u00e0ng quan tr\u1ecdng h\u01a1n s\u1ef1 ho\u00e0n ch\u1ec9nh c\u1ee7a m\u1ecdi tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t trong b\u1ea3n nh\u00e1p \u0111\u1ea7u ti\u00ean. B\u1ea1n c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i.<\/p>\n

                          \ud83d\udcdd Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<\/h2>\n

                          Ngay c\u1ea3 nh\u1eefng ng\u01b0\u1eddi m\u00f4 h\u00ecnh h\u00f3a c\u00f3 kinh nghi\u1ec7m c\u0169ng m\u1eafc sai l\u1ea7m. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ea7n l\u01b0u \u00fd trong bu\u1ed5i l\u00e0m vi\u1ec7c c\u1ee7a b\u1ea1n.<\/p>\n

                            \n
                          • Thi\u1ebfu c\u00e1c \u0111\u01b0\u1eddng d\u1eabn l\u1ed7i:<\/strong>Ch\u1ec9 thi\u1ebft k\u1ebf \u0111\u01b0\u1eddng \u0111i su\u00f4n s\u1ebb. Lu\u00f4n m\u00f4 h\u00ecnh h\u00f3a \u0111i\u1ec1u g\u00ec x\u1ea3y ra khi m\u1ecdi th\u1ee9 \u0111i sai.<\/li>\n
                          • Qu\u00e1 nhi\u1ec1u tr\u1ea1ng th\u00e1i:<\/strong> N\u1ebfu m\u1ed9t tr\u1ea1ng th\u00e1i c\u00f3 nhi\u1ec1u h\u01a1n n\u0103m chuy\u1ec3n ti\u1ebfp, h\u00e3y c\u00e2n nh\u1eafc chia nh\u1ecf n\u00f3.<\/li>\n
                          • S\u1ef1 ki\u1ec7n m\u01a1 h\u1ed3:<\/strong> S\u1eed d\u1ee5ng t\u00ean chung chung nh\u01b0 S\u1ef1 ki\u1ec7n<\/em> thay v\u00ec \u0110\u01a1n h\u00e0ng \u0111\u00e3 g\u1eedi<\/em>.<\/li>\n
                          • B\u1ecf qua th\u1eddi gian ch\u1edd:<\/strong>C\u00e1c h\u1ec7 th\u1ed1ng th\u01b0\u1eddng c\u1ea7n x\u1eed l\u00fd \u0111\u1ed9 tr\u1ec5. H\u00e3y bao g\u1ed3m m\u1ed9t s\u1ef1 ki\u1ec7n h\u1ebft th\u1eddi gian trong c\u00e1c tr\u1ea1ng th\u00e1i quan tr\u1ecdng.<\/li>\n
                          • M\u00f4 h\u00ecnh h\u00f3a qu\u00e1 m\u1ee9c:<\/strong> M\u00f4 h\u00ecnh h\u00f3a c\u00e1c tr\u1ea1ng th\u00e1i kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u00e0nh vi. N\u1ebfu m\u1ed9t tr\u1ea1ng th\u00e1i kh\u00f4ng thay \u0111\u1ed5i logic, \u0111\u1eebng v\u1ebd n\u00f3.<\/li>\n<\/ul>\n

                            \ud83d\udcc8 T\u00edch h\u1ee3p v\u00e0o qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n<\/h2>\n

                            S\u01a1 \u0111\u1ed3 n\u00e0y kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t t\u00e0i s\u1ea3n t\u0129nh. N\u00f3 c\u1ea7n ph\u00e1t tri\u1ec3n c\u00f9ng d\u1ef1 \u00e1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch \u0111\u1ec3 gi\u1eef cho n\u00f3 ph\u00f9 h\u1ee3p.<\/p>\n

                              \n
                            • Xem x\u00e9t m\u00e3 ngu\u1ed3n:<\/strong> So s\u00e1nh logic m\u00e3 ngu\u1ed3n v\u1edbi s\u01a1 \u0111\u1ed3 trong qu\u00e1 tr\u00ecnh xem x\u00e9t.<\/li>\n
                            • T\u00e0i li\u1ec7u:<\/strong> S\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 trong t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt \u0111\u1ec3 gi\u1ea3i th\u00edch lu\u1ed3ng h\u1ec7 th\u1ed1ng.<\/li>\n
                            • Ki\u1ec3m th\u1eed:<\/strong> S\u1eed d\u1ee5ng c\u00e1c tr\u1ea1ng th\u00e1i l\u00e0m c\u00e1c tr\u01b0\u1eddng h\u1ee3p ki\u1ec3m th\u1eed. \u0110\u1ea3m b\u1ea3o m\u1ecdi tr\u1ea1ng th\u00e1i \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c v\u00e0 m\u1ecdi chuy\u1ec3n ti\u1ebfp \u0111\u1ec1u ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<\/ul>\n

                              \ud83c\udf93 Nh\u1eefng suy ngh\u0129 cu\u1ed1i c\u00f9ng<\/h2>\n

                              Vi\u1ec7c x\u00e2y d\u1ef1ng s\u01a1 \u0111\u1ed3 M\u00e1y tr\u1ea1ng th\u00e1i l\u00e0 m\u1ed9t b\u00e0i t\u1eadp k\u1ef7 lu\u1eadt v\u1ec1 t\u01b0 duy logic. N\u00f3 bu\u1ed9c b\u1ea1n ph\u1ea3i suy ngh\u0129 v\u1ec1 m\u1ecdi \u0111i\u1ec1u ki\u1ec7n c\u00f3 th\u1ec3 x\u1ea3y ra trong h\u1ec7 th\u1ed1ng c\u1ee7a m\u00ecnh. B\u1eb1ng c\u00e1ch tu\u00e2n theo c\u00e1c b\u01b0\u1edbc n\u00e0y, b\u1ea1n s\u1ebd t\u1ea1o ra m\u1ed9t b\u1ea3n thi\u1ebft k\u1ebf gi\u00fap gi\u1ea3m thi\u1ec3u s\u1ef1 m\u01a1 h\u1ed3 v\u00e0 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng m\u00e3 ngu\u1ed3n.<\/p>\n

                              H\u00e3y nh\u1edb, s\u01a1 \u0111\u1ed3 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 giao ti\u1ebfp. \u0110\u1ed1i t\u01b0\u1ee3ng ch\u00ednh l\u00e0 \u0111\u1ed9i c\u1ee7a b\u1ea1n. N\u1ebfu h\u1ecd hi\u1ec3u \u0111\u01b0\u1ee3c s\u01a1 \u0111\u1ed3, b\u1ea1n \u0111\u00e3 th\u00e0nh c\u00f4ng. T\u1eadp trung v\u00e0o s\u1ef1 r\u00f5 r\u00e0ng, s\u1eed d\u1ee5ng k\u00fd hi\u1ec7u \u0111\u00fang c\u00e1ch, v\u00e0 x\u00e1c minh logic c\u1ee7a b\u1ea1n tr\u01b0\u1edbc khi vi\u1ebft m\u00e3. V\u1edbi th\u1ef1c h\u00e0nh, vi\u1ec7c m\u00f4 h\u00ecnh h\u00f3a h\u00e0nh vi h\u1ec7 th\u1ed1ng s\u1ebd tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n t\u1ef1 nhi\u00ean trong qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n.<\/p>\n

                              B\u1eaft \u0111\u1ea7u nh\u1ecf. Ch\u1ecdn m\u1ed9t th\u00e0nh ph\u1ea7n \u0111\u01a1n gi\u1ea3n. V\u1ebd c\u00e1c tr\u1ea1ng th\u00e1i. V\u1ebd c\u00e1c chuy\u1ec3n ti\u1ebfp. Xem x\u00e9t l\u1ea1i. L\u1eb7p l\u1ea1i. C\u00e1ch ti\u1ebfp c\u1eadn tu\u1ea7n t\u1ef1 n\u00e0y gi\u00fap x\u00e2y d\u1ef1ng s\u1ef1 t\u1ef1 tin v\u00e0 k\u1ef9 n\u0103ng m\u00e0 kh\u00f4ng l\u00e0m b\u1ea1n qu\u00e1 t\u1ea3i.<\/p>\n

                              Nh\u1eefng \u0111i\u1ec3m ch\u00ednh c\u1ea7n l\u01b0u \u00fd<\/h3>\n
                                \n
                              • S\u01a1 \u0111\u1ed3 M\u00e1y tr\u1ea1ng th\u00e1i m\u00f4 h\u00ecnh h\u00f3a h\u00e0nh vi theo th\u1eddi gian.<\/li>\n
                              • X\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng c\u00e1c tr\u1ea1ng th\u00e1i, chuy\u1ec3n ti\u1ebfp, s\u1ef1 ki\u1ec7n v\u00e0 \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7.<\/li>\n
                              • S\u1eed d\u1ee5ng c\u00e1c tr\u1ea1ng th\u00e1i h\u1ee3p th\u00e0nh \u0111\u1ec3 x\u1eed l\u00fd \u0111\u1ed9 ph\u1ee9c t\u1ea1p.<\/li>\n
                              • X\u00e1c minh t\u00ednh kh\u1ea3 thi v\u00e0 t\u00ednh \u0111\u1ea7y \u0111\u1ee7.<\/li>\n
                              • Gi\u1eef s\u01a1 \u0111\u1ed3 d\u1ec5 \u0111\u1ecdc v\u00e0 \u0111\u1ed3ng b\u1ed9 v\u1edbi m\u00e3 ngu\u1ed3n.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

                                Thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p \u0111\u00f2i h\u1ecfi h\u01a1n ch\u1ec9 vi\u1ec7c li\u1ec7t k\u00ea c\u00e1c t\u00ednh n\u0103ng. N\u00f3 \u0111\u00f2i h\u1ecfi<\/p>\n","protected":false},"author":3479,"featured_media":11182,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"H\u01b0\u1edbng d\u1eabn S\u01a1 \u0111\u1ed3 M\u00e1y tr\u1ea1ng th\u00e1i UML: X\u00e2y d\u1ef1ng b\u1ea3n \u0111\u1ea7u ti\u00ean c\u1ee7a b\u1ea1n \ud83d\udee0\ufe0f","_yoast_wpseo_metadesc":"H\u1ecdc c\u00e1ch t\u1ea1o s\u01a1 \u0111\u1ed3 M\u00e1y tr\u1ea1ng th\u00e1i UML t\u1eebng b\u01b0\u1edbc. H\u01b0\u1edbng d\u1eabn th\u1ef1c h\u00e0nh t\u01b0\u01a1ng t\u00e1c \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a h\u00e0nh vi h\u1ec7 th\u1ed1ng, c\u00e1c tr\u1ea1ng th\u00e1i v\u00e0 chuy\u1ec3n ti\u1ebfp m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[127],"tags":[162,101],"class_list":["post-11181","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-unified-modeling-language","tag-academic","tag-uml"],"yoast_head":"\nH\u01b0\u1edbng d\u1eabn S\u01a1 \u0111\u1ed3 M\u00e1y tr\u1ea1ng th\u00e1i UML: X\u00e2y d\u1ef1ng b\u1ea3n \u0111\u1ea7u ti\u00ean c\u1ee7a b\u1ea1n \ud83d\udee0\ufe0f<\/title>\n<meta name=\"description\" content=\"H\u1ecdc c\u00e1ch t\u1ea1o s\u01a1 \u0111\u1ed3 M\u00e1y tr\u1ea1ng th\u00e1i UML t\u1eebng b\u01b0\u1edbc. 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