{"id":566,"date":"2026-04-04T14:21:54","date_gmt":"2026-04-04T14:21:54","guid":{"rendered":"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/"},"modified":"2026-04-04T14:21:54","modified_gmt":"2026-04-04T14:21:54","slug":"uml-activity-diagram-symbols-notations-guide","status":"publish","type":"post","link":"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/","title":{"rendered":"H\u01b0\u1edbng D\u1eabn Tham Kh\u1ea3o Nhanh: C\u00e1c K\u00fd Hi\u1ec7u v\u00e0 K\u00fd Ph\u00e1p C\u1ea7n Thi\u1ebft Cho M\u1ecdi S\u01a1 \u0110\u1ed3 Ho\u1ea1t \u0110\u1ed9ng UML"},"content":{"rendered":"

Hi\u1ec3u \u0111\u01b0\u1ee3c h\u00e0nh vi c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u00f2i h\u1ecfi h\u01a1n ch\u1ec9 m\u1ed9t danh s\u00e1ch c\u00e1c ch\u1ee9c n\u0103ng. N\u00f3 \u0111\u00f2i h\u1ecfi m\u1ed9t bi\u1ec3u di\u1ec5n tr\u1ef1c quan v\u1ec1 lu\u1ed3ng ho\u1ea1t \u0111\u1ed9ng. S\u01a1 \u0111\u1ed3 Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Ng\u00f4n ng\u1eef M\u00f4 h\u00ecnh H\u00f3a \u0110\u01a1n Nh\u1ea5t (UML) \u0111\u00e1p \u1ee9ng ho\u00e0n h\u1ea3o m\u1ee5c \u0111\u00edch n\u00e0y. N\u00f3 m\u00f4 h\u00ecnh h\u00f3a c\u00e1c kh\u00eda c\u1ea1nh \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng, t\u1eadp trung v\u00e0o lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n v\u00e0 d\u1eef li\u1ec7u t\u1eeb m\u1ed9t ho\u1ea1t \u0111\u1ed9ng sang ho\u1ea1t \u0111\u1ed9ng kh\u00e1c. \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng v\u00e0 ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m, vi\u1ec7c th\u00e0nh th\u1ea1o k\u00fd ph\u00e1p l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 giao ti\u1ebfp r\u00f5 r\u00e0ng gi\u1eefa c\u00e1c b\u00ean li\u00ean quan. H\u01b0\u1edbng d\u1eabn n\u00e0y cung c\u1ea5p ph\u00e2n t\u00edch chi ti\u1ebft v\u1ec1 c\u00e1c k\u00fd hi\u1ec7u c\u1ea7n thi\u1ebft \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c s\u01a1 \u0111\u1ed3 ch\u00ednh x\u00e1c v\u00e0 c\u00f3 \u00fd ngh\u0129a.<\/p>\n

\n
\"Chalkboard-style<\/figure>\n<\/div>\n

\ud83d\udd0d N\u1ec1n T\u1ea3ng: C\u00e1c Y\u1ebfu T\u1ed1 Ch\u00ednh<\/h2>\n

M\u1ed7i s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec1u b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1c \u0111i\u1ec3m v\u00e0o v\u00e0 ra c\u1ee5 th\u1ec3. Nh\u1eefng \u0111i\u1ec3m n\u00e0y x\u00e1c \u0111\u1ecbnh chu k\u1ef3 s\u1ed1ng c\u1ee7a qu\u00e1 tr\u00ecnh \u0111ang \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a. Kh\u00f4ng c\u00f3 ch\u00fang, s\u01a1 \u0111\u1ed3 s\u1ebd thi\u1ebfu b\u1ed1i c\u1ea3nh v\u1ec1 c\u00e1ch m\u1ed9t chu\u1ed7i ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c kh\u1edfi t\u1ea1o hay k\u1ebft th\u00fac.<\/p>\n

1. N\u00fat Kh\u1edfi \u0110\u1ea7u (\u0110i\u1ec3m B\u1eaft \u0110\u1ea7u)<\/h3>\n

N\u00fat kh\u1edfi \u0111\u1ea7u \u0111\u1ea1i di\u1ec7n cho \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u c\u1ee7a lu\u1ed3ng ho\u1ea1t \u0111\u1ed9ng. N\u00f3 \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng m\u1ed9t h\u00ecnh tr\u00f2n \u0111en \u0111\u1eadm. Th\u01b0\u1eddng th\u00ec m\u1ed7i s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng ch\u1ec9 c\u00f3 m\u1ed9t n\u00fat kh\u1edfi \u0111\u1ea7u. K\u00fd hi\u1ec7u n\u00e0y cho bi\u1ebft n\u01a1i b\u1eaft ngu\u1ed3n c\u1ee7a lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n. N\u00f3 kh\u00f4ng c\u00f3 c\u1ea1nh \u0111\u1ea7u v\u00e0o, ch\u1ec9 c\u00f3 c\u1ea1nh \u0111\u1ea7u ra. Khi m\u1ed9t h\u00e0nh \u0111\u1ed9ng \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t, vi\u1ec7c th\u1ef1c thi s\u1ebd b\u1eaft \u0111\u1ea7u t\u1eeb n\u00fat n\u00e0y v\u00e0 di chuy\u1ec3n theo lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh.<\/p>\n

    \n
  • H\u00ecnh d\u1ea1ng:<\/strong>H\u00ecnh tr\u00f2n \u0111en \u0111\u1eadm.<\/li>\n
  • Ch\u1ee9c n\u0103ng:<\/strong>Ch\u1ec9 \u0111i\u1ec3m v\u00e0o.<\/li>\n
  • C\u00e1ch s\u1eed d\u1ee5ng:<\/strong>Lu\u00f4n \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf \u0111\u1ea7u tr\u00ean ho\u1eb7c b\u00ean tr\u00e1i xa nh\u1ea5t c\u1ee7a s\u01a1 \u0111\u1ed3.<\/li>\n<\/ul>\n

    2. N\u00fat K\u1ebft Th\u00fac (\u0110i\u1ec3m K\u1ebft Th\u00fac)<\/h3>\n

    N\u00fat k\u1ebft th\u00fac bi\u1ec3u th\u1ecb s\u1ef1 k\u1ebft th\u00fac c\u1ee7a lu\u1ed3ng ho\u1ea1t \u0111\u1ed9ng. N\u00f3 \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n b\u1eb1ng m\u1ed9t h\u00ecnh tr\u00f2n \u0111en \u0111\u1eadm bao quanh b\u1edfi m\u1ed9t v\u00e0nh \u0111en d\u00e0y h\u01a1n. M\u1ed9t s\u01a1 \u0111\u1ed3 c\u00f3 th\u1ec3 ch\u1ee9a nhi\u1ec1u n\u00fat k\u1ebft th\u00fac n\u1ebfu qu\u00e1 tr\u00ecnh c\u00f3 c\u00e1c \u0111i\u1ec1u ki\u1ec7n k\u1ebft th\u00fac kh\u00e1c nhau. V\u00ed d\u1ee5, m\u1ed9t qu\u00e1 tr\u00ecnh c\u00f3 th\u1ec3 k\u1ebft th\u00fac th\u00e0nh c\u00f4ng ho\u1eb7c k\u1ebft th\u00fac do l\u1ed7i. M\u1ed7i n\u00fat k\u1ebft th\u00fac ch\u1ec9 ra m\u1ed9t tr\u1ea1ng th\u00e1i k\u1ebft th\u00fac ri\u00eang bi\u1ec7t cho h\u1ec7 th\u1ed1ng.<\/p>\n

      \n
    • H\u00ecnh d\u1ea1ng:<\/strong>H\u00ecnh tr\u00f2n \u0111\u1ea7y b\u00ean trong m\u1ed9t v\u00e0nh.<\/li>\n
    • Ch\u1ee9c n\u0103ng:<\/strong>Ch\u1ec9 tr\u1ea1ng th\u00e1i ho\u00e0n th\u00e0nh c\u1ee7a qu\u00e1 tr\u00ecnh.<\/li>\n
    • C\u00e1ch s\u1eed d\u1ee5ng:<\/strong>\u0110\u01b0\u1ee3c \u0111\u1eb7t \u1edf cu\u1ed1i c\u00e1c \u0111\u01b0\u1eddng d\u1eabn.<\/li>\n<\/ul>\n

      3. Tr\u1ea1ng Th\u00e1i Ho\u1ea1t \u0110\u1ed9ng<\/h3>\n

      C\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u1ea1i di\u1ec7n cho c\u00f4ng vi\u1ec7c th\u1ef1c t\u1ebf \u0111ang \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n. Ch\u00fang \u0111\u01b0\u1ee3c v\u1ebd d\u01b0\u1edbi d\u1ea1ng h\u00ecnh ch\u1eef nh\u1eadt bo tr\u00f2n. B\u00ean trong h\u00ecnh ch\u1eef nh\u1eadt, t\u00ean h\u00e0nh \u0111\u1ed9ng \u0111\u01b0\u1ee3c ghi l\u1ea1i. N\u1ebfu h\u00e0nh \u0111\u1ed9ng ph\u1ee9c t\u1ea1p, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch s\u00e2u h\u01a1n th\u00e0nh c\u00e1c ho\u1ea1t \u0111\u1ed9ng con. M\u1ee9c \u0111\u1ed9 chi ti\u1ebft n\u00e0y gi\u00fap hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 \u0111\u1ed9 chi ti\u1ebft c\u1ee7a qu\u00e1 tr\u00ecnh.<\/p>\n

        \n
      • H\u00ecnh d\u1ea1ng:<\/strong>H\u00ecnh ch\u1eef nh\u1eadt bo tr\u00f2n.<\/li>\n
      • Ch\u1ee9c n\u0103ng:<\/strong>\u0110\u1ea1i di\u1ec7n cho m\u1ed9t nhi\u1ec7m v\u1ee5 ho\u1eb7c thao t\u00e1c.<\/li>\n
      • C\u00e1ch s\u1eed d\u1ee5ng:<\/strong>\u0110\u01b0\u1ee3c k\u1ebft n\u1ed1i b\u1eb1ng c\u00e1c lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n.<\/li>\n<\/ul>\n

        \ud83d\udd04 Lu\u1ed3ng \u0110i\u1ec1u Khi\u1ec3n v\u00e0 Logic<\/h2>\n

        Lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n x\u00e1c \u0111\u1ecbnh th\u1ee9 t\u1ef1 th\u1ef1c hi\u1ec7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng. N\u00f3 k\u1ebft n\u1ed1i c\u00e1c n\u00fat v\u00e0 quy \u0111\u1ecbnh s\u1ef1 di chuy\u1ec3n c\u1ee7a \u0111i\u1ec1u khi\u1ec3n t\u1eeb b\u01b0\u1edbc n\u00e0y sang b\u01b0\u1edbc ti\u1ebfp theo. Hi\u1ec3u r\u00f5 c\u00e1c b\u1ed9 ph\u1eadn k\u1ebft n\u1ed1i n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 bi\u1ec3u di\u1ec5n logic m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/p>\n

        4. Lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n (M\u0169i t\u00ean)<\/h3>\n

        Lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng m\u1ed9t \u0111\u01b0\u1eddng c\u00f3 h\u01b0\u1edbng v\u1edbi \u0111\u1ea7u m\u0169i t\u00ean. N\u00f3 ch\u1ec9 ra th\u1ee9 t\u1ef1 th\u1ef1c thi. M\u0169i t\u00ean ch\u1ec9 t\u1eeb n\u00fat ngu\u1ed3n \u0111\u1ebfn n\u00fat \u0111\u00edch. Trong c\u00e1c s\u01a1 \u0111\u1ed3 ti\u00eau chu\u1ea9n, lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n ng\u1ee5 \u00fd th\u1ef1c thi tu\u1ea7n t\u1ef1 tr\u1eeb khi c\u00f3 quy \u0111\u1ecbnh kh\u00e1c. \u0110\u00e2y l\u00e0 c\u01a1 ch\u1ebf ch\u00ednh \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c ho\u1ea1t \u0111\u1ed9ng.<\/p>\n

          \n
        • Tr\u1ef1c quan:<\/strong>\u0110\u01b0\u1eddng th\u1eb3ng c\u00f3 \u0111\u1ea7u m\u0169i t\u00ean.<\/li>\n
        • H\u01b0\u1edbng:<\/strong>T\u1eeb ngu\u1ed3n \u0111\u1ebfn \u0111\u00edch.<\/li>\n
        • L\u00f4gic:<\/strong>S\u1ef1 ph\u1ee5 thu\u1ed9c tu\u1ea7n t\u1ef1.<\/li>\n<\/ul>\n

          5. N\u00fat quy\u1ebft \u0111\u1ecbnh<\/h3>\n

          C\u00e1c n\u00fat quy\u1ebft \u0111\u1ecbnh \u0111\u01b0a logic nh\u00e1nh v\u00e0o lu\u1ed3ng. Ch\u00fang \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng h\u00ecnh thoi. M\u1ed9t n\u00fat quy\u1ebft \u0111\u1ecbnh c\u00f3 m\u1ed9t lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n \u0111\u1ea7u v\u00e0o v\u00e0 nhi\u1ec1u lu\u1ed3ng \u0111\u1ea7u ra. M\u1ed7i lu\u1ed3ng \u0111\u1ea7u ra \u0111\u01b0\u1ee3c \u0111\u00e1nh nh\u00e3n b\u1eb1ng \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7, \u0111\u01b0\u1ee3c \u0111\u00f3ng trong d\u1ea5u ngo\u1eb7c vu\u00f4ng. Nh\u1eefng \u0111i\u1ec1u ki\u1ec7n n\u00e0y x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1eddng \u0111i m\u00e0 lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n s\u1ebd \u0111i theo. Ch\u1ec9 c\u00f3 m\u1ed9t \u0111\u01b0\u1eddng \u0111i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m d\u1ef1a tr\u00ean vi\u1ec7c \u0111\u00e1nh gi\u00e1 \u0111i\u1ec1u ki\u1ec7n.<\/p>\n

            \n
          • H\u00ecnh d\u1ea1ng:<\/strong>H\u00ecnh thoi.<\/li>\n
          • \u0110i\u1ec1u ki\u1ec7n:<\/strong>Bi\u1ec3u th\u1ee9c b\u1ea3o v\u1ec7 (v\u00ed d\u1ee5: [h\u1ee3p l\u1ec7]).<\/li>\n
          • L\u00f4gic:<\/strong>L\u1ef1a ch\u1ecdn lo\u1ea1i tr\u1eeb gi\u1eefa c\u00e1c \u0111\u01b0\u1eddng \u0111i.<\/li>\n<\/ul>\n

            6. N\u00fat h\u1ee3p nh\u1ea5t<\/h3>\n

            N\u00fat h\u1ee3p nh\u1ea5t k\u1ebft h\u1ee3p nhi\u1ec1u lu\u1ed3ng \u0111\u1ea7u v\u00e0o th\u00e0nh m\u1ed9t lu\u1ed3ng \u0111\u1ea7u ra duy nh\u1ea5t. N\u00f3 c\u0169ng \u0111\u01b0\u1ee3c v\u1ebd d\u01b0\u1edbi d\u1ea1ng h\u00ecnh thoi. Kh\u00e1c v\u1edbi n\u00fat quy\u1ebft \u0111\u1ecbnh, n\u00fat h\u1ee3p nh\u1ea5t kh\u00f4ng \u0111\u00e1nh gi\u00e1 \u0111i\u1ec1u ki\u1ec7n. N\u00f3 ch\u1ec9 \u0111\u01a1n gi\u1ea3n ch\u1edd \u0111\u1ee3i lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n \u0111\u1ebfn t\u1eeb b\u1ea5t k\u1ef3 \u0111\u01b0\u1eddng n\u00e0o \u0111\u1ea7u v\u00e0o. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng v\u1edbi n\u00fat quy\u1ebft \u0111\u1ecbnh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o lu\u1ed3ng h\u1ed9i t\u1ee5 sau khi nh\u00e1nh ra.<\/p>\n

              \n
            • H\u00ecnh d\u1ea1ng:<\/strong>H\u00ecnh thoi.<\/li>\n
            • Ch\u1ee9c n\u0103ng:<\/strong>K\u1ebft h\u1ee3p c\u00e1c \u0111\u01b0\u1eddng \u0111i.<\/li>\n
            • L\u00f4gic:<\/strong>S\u1ef1 h\u1ed9i t\u1ee5 c\u1ee7a c\u00e1c nh\u00e1nh.<\/li>\n<\/ul>\n

              7. N\u00fat chia v\u00e0 n\u00fat h\u1ee3p nh\u1ea5t<\/h3>\n

              C\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p th\u01b0\u1eddng y\u00eau c\u1ea7u x\u1eed l\u00fd song song. C\u00e1c n\u00fat chia v\u00e0 n\u00fat h\u1ee3p nh\u1ea5t x\u1eed l\u00fd t\u00ednh \u0111\u1ed3ng th\u1eddi. N\u00fat chia t\u00e1ch m\u1ed9t lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n duy nh\u1ea5t th\u00e0nh nhi\u1ec1u lu\u1ed3ng song song. N\u00f3 \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng m\u1ed9t thanh ngang d\u00e0y. N\u00fat h\u1ee3p nh\u1ea5t k\u1ebft h\u1ee3p c\u00e1c lu\u1ed3ng song song n\u00e0y tr\u1edf l\u1ea1i th\u00e0nh m\u1ed9t lu\u1ed3ng duy nh\u1ea5t. N\u00f3 c\u0169ng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng m\u1ed9t thanh ngang d\u00e0y. N\u00fat h\u1ee3p nh\u1ea5t ch\u1edd \u0111\u1ee3i t\u1ea5t c\u1ea3 c\u00e1c nh\u00e1nh \u0111\u1ea7u v\u00e0o ho\u00e0n th\u00e0nh tr\u01b0\u1edbc khi ti\u1ebfp t\u1ee5c.<\/p>\n

                \n
              • H\u00ecnh d\u1ea1ng n\u00fat chia:<\/strong>Thanh d\u00e0y (ngang).<\/li>\n
              • H\u00ecnh d\u1ea1ng n\u00fat h\u1ee3p nh\u1ea5t:<\/strong>Thanh d\u00e0y (ngang).<\/li>\n
              • Ch\u1ee9c n\u0103ng:<\/strong>Th\u1ef1c thi song song v\u00e0 \u0111\u1ed3ng b\u1ed9 h\u00f3a.<\/li>\n
              • L\u00f4gic:<\/strong>Qu\u1ea3n l\u00fd t\u00ednh \u0111\u1ed3ng th\u1eddi.<\/li>\n<\/ul>\n

                \ud83c\udfca C\u1ea5u tr\u00fac t\u1ed5 ch\u1ee9c: C\u00e1c l\u00e0n b\u01a1i<\/h2>\n

                Khi s\u01a1 \u0111\u1ed3 tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p h\u01a1n, vi\u1ec7c x\u00e1c \u0111\u1ecbnh ai ch\u1ecbu tr\u00e1ch nhi\u1ec7m cho h\u00e0nh \u0111\u1ed9ng n\u00e0o tr\u1edf n\u00ean kh\u00f3 kh\u0103n. C\u00e1c l\u00e0n b\u01a1i cung c\u1ea5p c\u00e1ch t\u1ed5 ch\u1ee9c c\u00e1c ho\u1ea1t \u0111\u1ed9ng theo tr\u00e1ch nhi\u1ec7m. Ch\u00fang chia s\u01a1 \u0111\u1ed3 th\u00e0nh c\u00e1c \u0111\u01b0\u1eddng song song.<\/p>\n

                8. C\u00e1c l\u00e0n b\u01a1i<\/h3>\n

                C\u00e1c l\u00e0n b\u01a1i l\u00e0 nh\u1eefng v\u00f9ng \u0111\u01b0\u1ee3c chia nh\u1ecf trong s\u01a1 \u0111\u1ed3. Ch\u00fang c\u00f3 th\u1ec3 n\u1eb1m d\u1ecdc ho\u1eb7c ngang. M\u1ed7i l\u00e0n \u0111\u1ea1i di\u1ec7n cho m\u1ed9t th\u1ef1c th\u1ec3 c\u1ee5 th\u1ec3 nh\u01b0 ng\u01b0\u1eddi tham gia, vai tr\u00f2, ph\u00f2ng ban ho\u1eb7c th\u00e0nh ph\u1ea7n h\u1ec7 th\u1ed1ng. C\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u1eb7t trong m\u1ed9t l\u00e0n s\u1ebd do th\u1ef1c th\u1ec3 \u0111\u00f3 th\u1ef1c hi\u1ec7n. S\u1ef1 ph\u00e2n t\u00e1ch n\u00e0y l\u00e0m r\u00f5 c\u00e1c \u0111i\u1ec3m chuy\u1ec3n giao gi\u1eefa c\u00e1c b\u00ean kh\u00e1c nhau.<\/p>\n

                  \n
                • Tr\u1ef1c quan:<\/strong>C\u00e1c v\u00f9ng \u0111\u01b0\u1ee3c chia nh\u1ecf, c\u00f3 nh\u00e3n \u1edf tr\u00ean ho\u1eb7c b\u00ean c\u1ea1nh.<\/li>\n
                • Ch\u1ee9c n\u0103ng:<\/strong>T\u00e1ch bi\u1ec7t c\u00e1c v\u1ea5n \u0111\u1ec1 quan t\u00e2m.<\/li>\n
                • L\u1ee3i \u00edch:<\/strong>X\u00e1c \u0111\u1ecbnh quy\u1ec1n s\u1edf h\u1eefu v\u00e0 c\u00e1c \u0111i\u1ec3m chuy\u1ec3n giao.<\/li>\n<\/ul>\n

                  9. Tham chi\u1ebfu trang<\/h3>\n

                  Khi s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng tr\u1edf n\u00ean qu\u00e1 l\u1edbn \u0111\u1ec3 hi\u1ec3n th\u1ecb tr\u00ean m\u1ed9t trang duy nh\u1ea5t, c\u00e1c tham chi\u1ebfu trang s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Ch\u00fang l\u00e0 nh\u1eefng h\u00ecnh ch\u1eef nh\u1eadt nh\u1ecf c\u00f3 bi\u1ec3u t\u01b0\u1ee3ng c\u1ee5 th\u1ec3. Ch\u00fang cho bi\u1ebft lu\u1ed3ng ti\u1ebfp t\u1ee5c tr\u00ean m\u1ed9t trang kh\u00e1c. M\u1ed9t tham chi\u1ebfu trang \u1edf cu\u1ed1i m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn s\u1ebd tr\u1ecf \u0111\u1ebfn \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u c\u1ee7a tham chi\u1ebfu t\u01b0\u01a1ng \u1ee9ng tr\u00ean trang kh\u00e1c. \u0110i\u1ec1u n\u00e0y duy tr\u00ec t\u00ednh li\u00ean t\u1ee5c gi\u1eefa nhi\u1ec1u t\u00e0i li\u1ec7u.<\/p>\n

                    \n
                  • Tr\u1ef1c quan:<\/strong>H\u00ecnh ch\u1eef nh\u1eadt nh\u1ecf c\u00f3 bi\u1ec3u t\u01b0\u1ee3ng trang.<\/li>\n
                  • Ch\u1ee9c n\u0103ng:<\/strong>\u0110i\u1ec1u h\u01b0\u1edbng gi\u1eefa c\u00e1c trang.<\/li>\n
                  • C\u00e1ch s\u1eed d\u1ee5ng:<\/strong>Qu\u1ea3n l\u00fd k\u00edch th\u01b0\u1edbc s\u01a1 \u0111\u1ed3.<\/li>\n<\/ul>\n

                    \ud83d\udce6 Lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 d\u1eef li\u1ec7u<\/h2>\n

                    Lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n kh\u00f4ng ph\u1ea3i l\u00e0 lo\u1ea1i di chuy\u1ec3n duy nh\u1ea5t trong h\u1ec7 th\u1ed1ng. D\u1eef li\u1ec7u v\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng c\u0169ng di chuy\u1ec3n gi\u1eefa c\u00e1c ho\u1ea1t \u0111\u1ed9ng. Lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng theo d\u00f5i v\u00f2ng \u0111\u1eddi c\u1ee7a d\u1eef li\u1ec7u trong su\u1ed1t qu\u00e1 tr\u00ecnh.<\/p>\n

                    10. Lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng<\/h3>\n

                    Lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n nh\u01b0ng \u0111\u1ea1i di\u1ec7n cho s\u1ef1 di chuy\u1ec3n c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng d\u1eef li\u1ec7u thay v\u00ec \u0111i\u1ec1u khi\u1ec3n. N\u00f3 \u0111\u01b0\u1ee3c v\u1ebd b\u1eb1ng \u0111\u01b0\u1eddng n\u00e9t \u0111\u1ee9t c\u00f3 \u0111\u1ea7u m\u0169i t\u00ean. C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o ra, s\u1eeda \u0111\u1ed5i ho\u1eb7c ti\u00eau th\u1ee5 t\u1ea1i c\u00e1c tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng c\u1ee5 th\u1ec3. \u0110i\u1ec1u n\u00e0y gi\u00fap h\u00ecnh dung c\u00e1c m\u1ed1i ph\u1ee5 thu\u1ed9c d\u1eef li\u1ec7u.<\/p>\n

                      \n
                    • Tr\u1ef1c quan:<\/strong>\u0110\u01b0\u1eddng n\u00e9t \u0111\u1ee9t c\u00f3 \u0111\u1ea7u m\u0169i t\u00ean.<\/li>\n
                    • Ch\u1ee9c n\u0103ng:<\/strong>Theo d\u00f5i s\u1ef1 di chuy\u1ec3n d\u1eef li\u1ec7u.<\/li>\n
                    • Logic:<\/strong> C\u00e1c ph\u1ee5 thu\u1ed9c \u0111\u1ea7u v\u00e0o\/\u0111\u1ea7u ra.<\/li>\n<\/ul>\n

                      11. N\u00fat \u0110\u1ed1i t\u01b0\u1ee3ng<\/h3>\n

                      C\u00e1c n\u00fat \u0111\u1ed1i t\u01b0\u1ee3ng bi\u1ec3u di\u1ec5n s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m c\u1ee5 th\u1ec3. Ch\u00fang \u0111\u01b0\u1ee3c v\u1ebd d\u01b0\u1edbi d\u1ea1ng h\u00ecnh ch\u1eef nh\u1eadt c\u00f3 g\u00f3c b\u1ecb g\u1ea5p, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 bi\u1ec3u t\u01b0\u1ee3ng t\u00e0i li\u1ec7u. C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ghim v\u00e0o m\u1ed9t ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 th\u1ec3 hi\u1ec7n ch\u00fang l\u00e0 \u0111\u1ea7u v\u00e0o ho\u1eb7c \u0111\u1ea7u ra. M\u1ed9t chi\u1ebfc ghim l\u00e0 m\u1ed9t h\u00ecnh ch\u1eef nh\u1eadt nh\u1ecf \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o bi\u00ean c\u1ee7a m\u1ed9t ho\u1ea1t \u0111\u1ed9ng.<\/p>\n

                        \n
                      • Tr\u1ef1c quan:<\/strong>H\u00ecnh ch\u1eef nh\u1eadt c\u00f3 g\u00f3c b\u1ecb g\u1ea5p.<\/li>\n
                      • Ch\u1ee9c n\u0103ng:<\/strong>B\u1ed9 ch\u1ee9a d\u1eef li\u1ec7u.<\/li>\n
                      • S\u1eed d\u1ee5ng:<\/strong>Hi\u1ec3n th\u1ecb vi\u1ec7c t\u1ea1o ho\u1eb7c ti\u00eau th\u1ee5 d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n

                        \u26a0\ufe0f X\u1eed l\u00fd ngo\u1ea1i l\u1ec7<\/h2>\n

                        C\u00e1c h\u1ec7 th\u1ed1ng hi\u1ebfm khi ho\u1ea1t \u0111\u1ed9ng m\u00e0 kh\u00f4ng g\u1eb7p s\u1ef1 c\u1ed1. Ngo\u1ea1i l\u1ec7 ph\u1ea3i \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n v\u1eefng. C\u00e1c b\u1ed9 x\u1eed l\u00fd ngo\u1ea1i l\u1ec7 cho ph\u00e9p s\u01a1 \u0111\u1ed3 hi\u1ec3n th\u1ecb \u0111i\u1ec1u g\u00ec x\u1ea3y ra khi l\u1ed7i x\u1ea3y ra.<\/p>\n

                        12. B\u1ed9 x\u1eed l\u00fd ngo\u1ea1i l\u1ec7<\/h3>\n

                        M\u1ed9t b\u1ed9 x\u1eed l\u00fd ngo\u1ea1i l\u1ec7 l\u00e0 m\u1ed9t v\u00f9ng b\u1eaft c\u00e1c ngo\u1ea1i l\u1ec7 \u0111\u01b0\u1ee3c ph\u00e1t sinh b\u1edfi c\u00e1c ho\u1ea1t \u0111\u1ed9ng b\u00ean trong n\u00f3. N\u00f3 \u0111\u01b0\u1ee3c v\u1ebd d\u01b0\u1edbi d\u1ea1ng h\u00ecnh ch\u1eef nh\u1eadt c\u00f3 nh\u00e3n c\u1ee5 th\u1ec3 cho th\u1ea5y \u0111\u00e2y l\u00e0 m\u1ed9t b\u1ed9 x\u1eed l\u00fd. N\u1ebfu m\u1ed9t ho\u1ea1t \u0111\u1ed9ng b\u00ean trong v\u00f9ng x\u1eed l\u00fd ngo\u1ea1i l\u1ec7 th\u1ea5t b\u1ea1i, lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n s\u1ebd chuy\u1ec3n sang logic x\u1eed l\u00fd ngo\u1ea1i l\u1ec7 thay v\u00ec k\u1ebft th\u00fac to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh.<\/p>\n

                          \n
                        • Tr\u1ef1c quan:<\/strong>H\u00ecnh ch\u1eef nh\u1eadt \u0111\u01b0\u1ee3c \u0111\u00e1nh nh\u00e3n l\u00e0 b\u1ed9 x\u1eed l\u00fd.<\/li>\n
                        • Ch\u1ee9c n\u0103ng:<\/strong>Qu\u1ea3n l\u00fd l\u1ed7i.<\/li>\n
                        • Logic:<\/strong>C\u00e1c \u0111\u01b0\u1eddng d\u1eabn th\u1ef1c thi thay th\u1ebf.<\/li>\n<\/ul>\n

                          \ud83d\udccb Tham chi\u1ebfu bi\u1ec3u t\u01b0\u1ee3ng to\u00e0n di\u1ec7n<\/h2>\n

                          \u0110\u1ec3 truy c\u1eadp nhanh, h\u00e3y tham kh\u1ea3o b\u1ea3ng sau t\u00f3m t\u1eaft c\u00e1c k\u00fd hi\u1ec7u ch\u00ednh \u0111\u01b0\u1ee3c th\u1ea3o lu\u1eadn \u1edf tr\u00ean.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
                          T\u00ean bi\u1ec3u t\u01b0\u1ee3ng<\/th>\nBi\u1ec3u di\u1ec5n tr\u1ef1c quan<\/th>\nM\u1ee5c \u0111\u00edch ch\u00ednh<\/th>\n<\/tr>\n<\/thead>\n
                          N\u00fat ban \u0111\u1ea7u<\/td>\nV\u00f2ng tr\u00f2n \u0111en \u0111\u1eadm<\/td>\n\u0110i\u1ec3m v\u00e0o quy tr\u00ecnh<\/td>\n<\/tr>\n
                          N\u00fat k\u1ebft th\u00fac<\/td>\nV\u00f2ng tr\u00f2n \u0111\u1ea7y m\u00e0u c\u00f3 v\u00e0nh<\/td>\nK\u1ebft th\u00fac quy tr\u00ecnh<\/td>\n<\/tr>\n
                          Tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng<\/td>\nH\u00ecnh ch\u1eef nh\u1eadt bo tr\u00f2n<\/td>\nTh\u1ef1c thi nhi\u1ec7m v\u1ee5<\/td>\n<\/tr>\n
                          Lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n<\/td>\n\u0110\u01b0\u1eddng li\u1ec1n + m\u0169i t\u00ean<\/td>\nLu\u1ed3ng tu\u1ea7n t\u1ef1<\/td>\n<\/tr>\n
                          N\u00fat quy\u1ebft \u0111\u1ecbnh<\/td>\nH\u00ecnh thoi<\/td>\nLogic nh\u00e1nh<\/td>\n<\/tr>\n
                          T\u00e1ch\/Ch\u1eafp n\u1ed1i<\/td>\nThanh d\u00e0y<\/td>\n\u0110\u1ed3ng th\u1eddi<\/td>\n<\/tr>\n
                          L\u00e0n \u0111\u01b0\u1eddng b\u01a1i<\/td>\nKhu v\u1ef1c chia t\u00e1ch<\/td>\nT\u00e1ch bi\u1ec7t tr\u00e1ch nhi\u1ec7m<\/td>\n<\/tr>\n
                          Lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng<\/td>\n\u0110\u01b0\u1eddng g\u1ea1ch ch\u1ea5m + m\u0169i t\u00ean<\/td>\nDi chuy\u1ec3n d\u1eef li\u1ec7u<\/td>\n<\/tr>\n
                          N\u00fat \u0111\u1ed1i t\u01b0\u1ee3ng<\/td>\nH\u00ecnh ch\u1eef nh\u1eadt g\u00f3c g\u1eadp<\/td>\n\u0110\u1ed1i t\u01b0\u1ee3ng d\u1eef li\u1ec7u<\/td>\n<\/tr>\n
                          X\u1eed l\u00fd ngo\u1ea1i l\u1ec7<\/td>\nH\u00ecnh ch\u1eef nh\u1eadt c\u00f3 nh\u00e3n<\/td>\nX\u1eed l\u00fd l\u1ed7i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                          \ud83d\udee0 C\u00e1c nguy\u00ean t\u1eafc thi\u1ebft k\u1ebf v\u00e0 th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t<\/h2>\n

                          Vi\u1ec7c t\u1ea1o s\u01a1 \u0111\u1ed3 kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 \u0111\u1eb7t c\u00e1c bi\u1ec3u t\u01b0\u1ee3ng \u0111\u00fang v\u1ecb tr\u00ed. N\u00f3 \u0111\u00f2i h\u1ecfi tu\u00e2n th\u1ee7 c\u00e1c nguy\u00ean t\u1eafc thi\u1ebft k\u1ebf nh\u1eb1m \u0111\u1ea3m b\u1ea3o t\u00ednh d\u1ec5 \u0111\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec. M\u1ed9t s\u01a1 \u0111\u1ed3 r\u1ed1i r\u1eafm l\u00e0 v\u00f4 d\u1ee5ng, b\u1ea5t k\u1ec3 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a logic c\u00f3 cao \u0111\u1ebfn \u0111\u00e2u.<\/p>\n

                          1. \u0110\u01a1n gi\u1ea3n h\u00f3a<\/h3>\n

                          Tr\u00e1nh \u0111\u01b0a qu\u00e1 nhi\u1ec1u ho\u1ea1t \u0111\u1ed9ng v\u00e0o m\u1ed9t s\u01a1 \u0111\u1ed3 duy nh\u1ea5t. N\u1ebfu m\u1ed9t quy tr\u00ecnh ph\u1ee9c t\u1ea1p, h\u00e3y chia nh\u1ecf th\u00e0nh c\u00e1c ho\u1ea1t \u0111\u1ed9ng con ho\u1eb7c c\u00e1c s\u01a1 \u0111\u1ed3 ri\u00eang bi\u1ec7t. S\u1eed d\u1ee5ng tham chi\u1ebfu trang \u0111\u1ec3 duy tr\u00ec t\u00ednh li\u00ean t\u1ee5c logic m\u00e0 kh\u00f4ng l\u00e0m qu\u00e1 t\u1ea3i t\u1ea7m nh\u00ecn. \u0110\u01a1n gi\u1ea3n h\u00f3a gi\u00fap d\u1ec5 hi\u1ec3u h\u01a1n.<\/p>\n

                          2. H\u01b0\u1edbng lu\u1ed3ng nh\u1ea5t qu\u00e1n<\/h3>\n

                          Thi\u1ebft l\u1eadp m\u1ed9t h\u01b0\u1edbng chu\u1ea9n cho lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n. Vi\u1ec7c \u0111\u1ecdc t\u1eeb tr\u00e1i sang ph\u1ea3i ho\u1eb7c t\u1eeb tr\u00ean xu\u1ed1ng d\u01b0\u1edbi l\u00e0 c\u00e1ch th\u1ef1c hi\u1ec7n chu\u1ea9n. Tr\u00e1nh giao nhau c\u1ee7a c\u00e1c \u0111\u01b0\u1eddng m\u1ed9t c\u00e1ch kh\u00f4ng c\u1ea7n thi\u1ebft. Vi\u1ec7c giao nhau c\u1ee7a c\u00e1c \u0111\u01b0\u1eddng t\u1ea1o ra ti\u1ebfng \u1ed3n th\u1ecb gi\u00e1c v\u00e0 khi\u1ebfn s\u01a1 \u0111\u1ed3 kh\u00f3 theo d\u00f5i h\u01a1n.<\/p>\n

                          3. Nh\u00e3n r\u00f5 r\u00e0ng<\/h3>\n

                          M\u1ed7i n\u00fat v\u00e0 lu\u1ed3ng \u0111\u1ec1u ph\u1ea3i c\u00f3 nh\u00e3n r\u00f5 r\u00e0ng. \u0110\u1ed1i v\u1edbi c\u00e1c n\u00fat quy\u1ebft \u0111\u1ecbnh, \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 ph\u1ea3i ng\u1eafn g\u1ecdn. Tr\u00e1nh d\u00f9ng c\u00e1c thu\u1eadt ng\u1eef m\u01a1 h\u1ed3 nh\u01b0 \u201cx\u1eed l\u00fd d\u1eef li\u1ec7u\u201d. H\u00e3y d\u00f9ng c\u00e1c thu\u1eadt ng\u1eef c\u1ee5 th\u1ec3 nh\u01b0 \u201cX\u00e1c th\u1ef1c \u0111\u1ea7u v\u00e0o ng\u01b0\u1eddi d\u00f9ng\u201d. T\u00ednh c\u1ee5 th\u1ec3 gi\u00fap gi\u1ea3m thi\u1ec3u s\u1ef1 m\u01a1 h\u1ed3.<\/p>\n

                          4. T\u1ed1i thi\u1ec3u h\u00f3a tham chi\u1ebfu ch\u00e9o<\/h3>\n

                          M\u1eb7c d\u00f9 c\u00e1c tham chi\u1ebfu trang l\u00e0 c\u1ea7n thi\u1ebft cho c\u00e1c s\u01a1 \u0111\u1ed3 l\u1edbn, nh\u01b0ng vi\u1ec7c tham chi\u1ebfu ch\u00e9o qu\u00e1 m\u1ee9c s\u1ebd khi\u1ebfn vi\u1ec7c \u0111i\u1ec1u h\u01b0\u1edbng tr\u1edf n\u00ean kh\u00f3 kh\u0103n. H\u00e3y gi\u1eef c\u00e1c ho\u1ea1t \u0111\u1ed9ng li\u00ean quan g\u1ea7n nhau m\u1ed7i khi c\u00f3 th\u1ec3. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m t\u1ea3i nh\u1eadn th\u1ee9c c\u1ea7n thi\u1ebft \u0111\u1ec3 theo d\u00f5i lu\u1ed3ng.<\/p>\n

                          5. Chu\u1ea9n h\u00f3a c\u00e1c l\u00e0n \u0111\u01b0\u1eddng<\/h3>\n

                          \u0110\u1ea3m b\u1ea3o c\u00e1c l\u00e0n \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c ghi nh\u00e3n r\u00f5 r\u00e0ng. Kh\u00f4ng \u0111\u01b0\u1ee3c tr\u1ed9n c\u00e1c vai tr\u00f2 trong m\u1ed9t l\u00e0n \u0111\u01b0\u1eddng duy nh\u1ea5t. N\u1ebfu m\u1ed9t quy tr\u00ecnh li\u00ean quan \u0111\u1ebfn nhi\u1ec1u h\u1ec7 th\u1ed1ng, h\u00e3y d\u00e0nh ri\u00eang c\u00e1c l\u00e0n \u0111\u01b0\u1eddng cho t\u1eebng h\u1ec7 th\u1ed1ng. S\u1ef1 ph\u00e2n t\u00e1ch th\u1ecb gi\u00e1c n\u00e0y gi\u00fap l\u00e0m n\u1ed5i b\u1eadt c\u00e1c \u0111i\u1ec3m t\u00edch h\u1ee3p.<\/p>\n

                          \ud83d\udd17 T\u00edch h\u1ee3p v\u1edbi c\u00e1c s\u01a1 \u0111\u1ed3 kh\u00e1c<\/h2>\n

                          S\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng t\u1ed3n t\u1ea1i m\u1ed9t c\u00e1ch bi\u1ec7t. Ch\u00fang t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c s\u01a1 \u0111\u1ed3 UML kh\u00e1c \u0111\u1ec3 cung c\u1ea5p c\u00e1i nh\u00ecn to\u00e0n di\u1ec7n v\u1ec1 h\u1ec7 th\u1ed1ng. Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c m\u1ed1i quan h\u1ec7 n\u00e0y gi\u00fap x\u00e2y d\u1ef1ng b\u1ed1i c\u1ea3nh hi\u1ec7u qu\u1ea3.<\/p>\n

                          M\u1ed1i quan h\u1ec7 v\u1edbi s\u01a1 \u0111\u1ed3 l\u1edbp<\/h3>\n

                          C\u00e1c ho\u1ea1t \u0111\u1ed9ng th\u01b0\u1eddng thao t\u00e1c v\u1edbi c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong s\u01a1 \u0111\u1ed3 l\u1edbp. C\u00e1c \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra c\u1ee7a m\u1ed9t ho\u1ea1t \u0111\u1ed9ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi c\u00e1c thu\u1ed9c t\u00ednh l\u1edbp. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o lu\u1ed3ng d\u1eef li\u1ec7u ph\u00f9 h\u1ee3p v\u1edbi c\u1ea5u tr\u00fac d\u1eef li\u1ec7u.<\/p>\n

                          M\u1ed1i quan h\u1ec7 v\u1edbi s\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i<\/h3>\n

                          S\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i t\u1eadp trung v\u00e0o tr\u1ea1ng th\u00e1i c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng, trong khi s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng t\u1eadp trung v\u00e0o quy tr\u00ecnh. Ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p khi m\u1ed9t tr\u1ea1ng th\u00e1i c\u1ee5 th\u1ec3 k\u00edch ho\u1ea1t m\u1ed9t ho\u1ea1t \u0111\u1ed9ng. C\u00e1ch ti\u1ebfp c\u1eadn k\u1ebft h\u1ee3p n\u00e0y h\u1eefu \u00edch cho c\u00e1c lu\u1ed3ng c\u00f4ng vi\u1ec7c ph\u1ee9c t\u1ea1p.<\/p>\n

                          \ud83d\udea7 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. Vi\u1ec7c nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn s\u1ebd gi\u00fap t\u1ea1o ra c\u00e1c s\u01a1 \u0111\u1ed3 ch\u1ea5t l\u01b0\u1ee3ng cao h\u01a1n.<\/p>\n

                            \n
                          • M\u0169i t\u00ean treo l\u01a1 l\u1eedng:<\/strong> M\u1ed7i m\u0169i t\u00ean ph\u1ea3i k\u1ebft n\u1ed1i v\u1edbi m\u1ed9t n\u00fat h\u1ee3p l\u1ec7. M\u1ed9t m\u0169i t\u00ean k\u1ebft th\u00fac \u1edf kho\u1ea3ng tr\u1ed1ng tr\u1ed1ng l\u00e0 kh\u00f4ng h\u1ee3p l\u1ec7.<\/li>\n
                          • Ch\u1ebft ch\u1eafn:<\/strong> \u0110\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c n\u00fat join kh\u00f4ng t\u1ea1o ra ch\u1ebft ch\u1eafn. M\u1ed9t n\u00fat join y\u00eau c\u1ea7u t\u1ea5t c\u1ea3 c\u00e1c \u0111\u01b0\u1eddng v\u00e0o ph\u1ea3i \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh.<\/li>\n
                          • V\u00f2ng l\u1eb7p v\u00f4 h\u1ea1n:<\/strong> M\u1eb7c d\u00f9 v\u00f2ng l\u1eb7p l\u00e0 h\u1ee3p l\u1ec7, h\u00e3y \u0111\u1ea3m b\u1ea3o ch\u00fang c\u00f3 \u0111i\u1ec1u ki\u1ec7n tho\u00e1t r\u00f5 r\u00e0ng. C\u00e1c v\u00f2ng l\u1eb7p kh\u00f4ng gi\u1edbi h\u1ea1n c\u00f3 th\u1ec3 khi\u1ebfn ng\u01b0\u1eddi \u0111\u1ecdc b\u1ed1i r\u1ed1i.<\/li>\n
                          • C\u00e1c l\u00e0n \u0111\u01b0\u1eddng ch\u1ed3ng l\u1ea5n:<\/strong> C\u00e1c l\u00e0n \u0111\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ed3ng l\u1ea5n. Vi\u1ec7c ch\u1ed3ng l\u1ea5n t\u1ea1o ra s\u1ef1 m\u01a1 h\u1ed3 v\u1ec1 quy\u1ec1n s\u1edf h\u1eefu.<\/li>\n
                          • Thi\u1ebfu nh\u00e3n:<\/strong> C\u00e1c lu\u1ed3ng kh\u00f4ng c\u00f3 nh\u00e3n khi\u1ebfn vi\u1ec7c hi\u1ec3u logic c\u1ee7a c\u00e1c n\u00fat quy\u1ebft \u0111\u1ecbnh tr\u1edf n\u00ean kh\u00f4ng th\u1ec3.<\/li>\n<\/ul>\n

                            \ud83c\udfaf T\u00f3m t\u1eaft c\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh<\/h2>\n

                            S\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a h\u00e0nh vi h\u1ec7 th\u1ed1ng. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1c k\u00fd hi\u1ec7u, b\u1ea1n c\u00f3 th\u1ec3 truy\u1ec1n \u0111\u1ea1t logic ph\u1ee9c t\u1ea1p m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng. C\u00e1c n\u00fat kh\u1edfi \u0111\u1ea7u v\u00e0 k\u1ebft th\u00fac l\u00e0 \u0111i\u1ec3m neo cho quy tr\u00ecnh. Lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n x\u00e1c \u0111\u1ecbnh th\u1ee9 t\u1ef1. C\u00e1c n\u00fat quy\u1ebft \u0111\u1ecbnh \u0111\u01b0a v\u00e0o logic. C\u00e1c n\u00fat fork v\u00e0 join qu\u1ea3n l\u00fd t\u00ednh \u0111\u1ed3ng th\u1eddi. C\u00e1c l\u00e0n \u0111\u01b0\u1eddng t\u1ed5 ch\u1ee9c tr\u00e1ch nhi\u1ec7m. Lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng theo d\u00f5i d\u1eef li\u1ec7u.<\/p>\n

                            Ch\u1ea5p h\u00e0nh c\u00e1c h\u01b0\u1edbng d\u1eabn thi\u1ebft k\u1ebf \u0111\u1ea3m b\u1ea3o s\u01a1 \u0111\u1ed3 lu\u00f4n l\u00e0 m\u1ed9t t\u00e0i s\u1ea3n h\u1eefu \u00edch trong su\u1ed1t v\u00f2ng \u0111\u1eddi h\u1ec7 th\u1ed1ng. N\u00f3 \u0111\u00f3ng vai tr\u00f2 l\u00e0 b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 t\u00e0i li\u1ec7u tham kh\u1ea3o cho c\u00e1c b\u00ean li\u00ean quan. \u0110\u1ed9 ch\u00ednh x\u00e1c trong k\u00fd hi\u1ec7u s\u1ebd chuy\u1ec3n h\u00f3a th\u00e0nh \u0111\u1ed9 ch\u00ednh x\u00e1c trong tri\u1ec3n khai. H\u00e3y t\u1eadp trung v\u00e0o s\u1ef1 r\u00f5 r\u00e0ng v\u00e0 nh\u1ea5t qu\u00e1n h\u01a1n b\u1ea5t k\u1ef3 \u0111i\u1ec1u g\u00ec kh\u00e1c.<\/p>\n

                            Th\u01b0\u1eddng xuy\u00ean xem x\u00e9t l\u1ea1i s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n theo k\u00fd hi\u1ec7u chu\u1ea9n. X\u00e1c minh r\u1eb1ng m\u1ed7i k\u00fd hi\u1ec7u \u0111\u1ec1u c\u00f3 m\u1ee5c \u0111\u00edch. Lo\u1ea1i b\u1ecf c\u00e1c y\u1ebfu t\u1ed1 kh\u00f4ng c\u1ea7n thi\u1ebft. M\u1ed9t s\u01a1 \u0111\u1ed3 s\u1ea1ch s\u1ebd l\u00e0 s\u01a1 \u0111\u1ed3 chuy\u00ean nghi\u1ec7p. S\u1eed d\u1ee5ng h\u01b0\u1edbng d\u1eabn tham kh\u1ea3o n\u00e0y nh\u01b0 n\u1ec1n t\u1ea3ng cho c\u00e1c n\u1ed7 l\u1ef1c m\u00f4 h\u00ecnh h\u00f3a c\u1ee7a b\u1ea1n.<\/p>\n","protected":false},"excerpt":{"rendered":"

                            Hi\u1ec3u \u0111\u01b0\u1ee3c h\u00e0nh vi c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u00f2i h\u1ecfi h\u01a1n ch\u1ec9 m\u1ed9t danh s\u00e1ch c\u00e1c ch\u1ee9c n\u0103ng. N\u00f3 \u0111\u00f2i h\u1ecfi m\u1ed9t bi\u1ec3u di\u1ec5n tr\u1ef1c quan v\u1ec1 lu\u1ed3ng ho\u1ea1t \u0111\u1ed9ng.…<\/p>\n","protected":false},"author":1,"featured_media":567,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"C\u00e1c k\u00fd hi\u1ec7u v\u00e0 k\u00fd hi\u1ec7u s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML: H\u01b0\u1edbng d\u1eabn tham kh\u1ea3o nhanh","_yoast_wpseo_metadesc":"H\u1ecdc c\u00e1c k\u00fd hi\u1ec7u s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML thi\u1ebft y\u1ebfu, c\u00e1c lu\u1ed3ng n\u01b0\u1edbc v\u00e0 lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n. H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n cho ph\u00e2n t\u00edch v\u00e0 m\u00f4 h\u00ecnh h\u00f3a h\u1ec7 th\u1ed1ng.","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[13],"tags":[39,44],"class_list":["post-566","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-unified-modeling-language","tag-academic","tag-activity-diagram"],"yoast_head":"\nC\u00e1c k\u00fd hi\u1ec7u v\u00e0 k\u00fd hi\u1ec7u s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML: H\u01b0\u1edbng d\u1eabn tham kh\u1ea3o nhanh<\/title>\n<meta name=\"description\" content=\"H\u1ecdc c\u00e1c k\u00fd hi\u1ec7u s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML thi\u1ebft y\u1ebfu, c\u00e1c lu\u1ed3ng n\u01b0\u1edbc v\u00e0 lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n. H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n cho ph\u00e2n t\u00edch v\u00e0 m\u00f4 h\u00ecnh h\u00f3a h\u1ec7 th\u1ed1ng.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00e1c k\u00fd hi\u1ec7u v\u00e0 k\u00fd hi\u1ec7u s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML: H\u01b0\u1edbng d\u1eabn tham kh\u1ea3o nhanh\" \/>\n<meta property=\"og:description\" content=\"H\u1ecdc c\u00e1c k\u00fd hi\u1ec7u s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML thi\u1ebft y\u1ebfu, c\u00e1c lu\u1ed3ng n\u01b0\u1edbc v\u00e0 lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n. H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n cho ph\u00e2n t\u00edch v\u00e0 m\u00f4 h\u00ecnh h\u00f3a h\u1ec7 th\u1ed1ng.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/\" \/>\n<meta property=\"og:site_name\" content=\"Viz Tools Vietnamese - Latest Trends in Software, Tech, and Innovation\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-04T14:21:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.viz-tools.com\/vi\/wp-content\/uploads\/sites\/10\/2026\/04\/uml-activity-diagram-symbols-reference-chalkboard-infographic.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1664\" \/>\n\t<meta property=\"og:image:height\" content=\"928\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"vpadmin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"vpadmin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"22 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/\"},\"author\":{\"name\":\"vpadmin\",\"@id\":\"https:\/\/www.viz-tools.com\/vi\/#\/schema\/person\/f0483c8e16a5e74ba067e69a80eb9b0c\"},\"headline\":\"H\u01b0\u1edbng D\u1eabn Tham Kh\u1ea3o Nhanh: C\u00e1c K\u00fd Hi\u1ec7u v\u00e0 K\u00fd Ph\u00e1p C\u1ea7n Thi\u1ebft Cho M\u1ecdi S\u01a1 \u0110\u1ed3 Ho\u1ea1t \u0110\u1ed9ng UML\",\"datePublished\":\"2026-04-04T14:21:54+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/\"},\"wordCount\":4438,\"publisher\":{\"@id\":\"https:\/\/www.viz-tools.com\/vi\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.viz-tools.com\/vi\/wp-content\/uploads\/sites\/10\/2026\/04\/uml-activity-diagram-symbols-reference-chalkboard-infographic.jpg\",\"keywords\":[\"academic\",\"activity diagram\"],\"articleSection\":[\"Unified Modeling Language\"],\"inLanguage\":\"vi\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/\",\"url\":\"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/\",\"name\":\"C\u00e1c k\u00fd hi\u1ec7u v\u00e0 k\u00fd hi\u1ec7u s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML: H\u01b0\u1edbng d\u1eabn tham kh\u1ea3o nhanh\",\"isPartOf\":{\"@id\":\"https:\/\/www.viz-tools.com\/vi\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.viz-tools.com\/vi\/wp-content\/uploads\/sites\/10\/2026\/04\/uml-activity-diagram-symbols-reference-chalkboard-infographic.jpg\",\"datePublished\":\"2026-04-04T14:21:54+00:00\",\"description\":\"H\u1ecdc c\u00e1c k\u00fd hi\u1ec7u s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML thi\u1ebft y\u1ebfu, c\u00e1c lu\u1ed3ng n\u01b0\u1edbc v\u00e0 lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n. H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n cho ph\u00e2n t\u00edch v\u00e0 m\u00f4 h\u00ecnh h\u00f3a h\u1ec7 th\u1ed1ng.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/#breadcrumb\"},\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/#primaryimage\",\"url\":\"https:\/\/www.viz-tools.com\/vi\/wp-content\/uploads\/sites\/10\/2026\/04\/uml-activity-diagram-symbols-reference-chalkboard-infographic.jpg\",\"contentUrl\":\"https:\/\/www.viz-tools.com\/vi\/wp-content\/uploads\/sites\/10\/2026\/04\/uml-activity-diagram-symbols-reference-chalkboard-infographic.jpg\",\"width\":1664,\"height\":928},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.viz-tools.com\/vi\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"H\u01b0\u1edbng D\u1eabn Tham Kh\u1ea3o Nhanh: C\u00e1c K\u00fd Hi\u1ec7u v\u00e0 K\u00fd Ph\u00e1p C\u1ea7n Thi\u1ebft Cho M\u1ecdi S\u01a1 \u0110\u1ed3 Ho\u1ea1t \u0110\u1ed9ng UML\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.viz-tools.com\/vi\/#website\",\"url\":\"https:\/\/www.viz-tools.com\/vi\/\",\"name\":\"Viz Tools Vietnamese - Latest Trends in Software, Tech, and Innovation\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.viz-tools.com\/vi\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.viz-tools.com\/vi\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"vi\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.viz-tools.com\/vi\/#organization\",\"name\":\"Viz Tools Vietnamese - Latest Trends in Software, Tech, and Innovation\",\"url\":\"https:\/\/www.viz-tools.com\/vi\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\/\/www.viz-tools.com\/vi\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.viz-tools.com\/vi\/wp-content\/uploads\/sites\/10\/2025\/03\/viz-tools-logo.png\",\"contentUrl\":\"https:\/\/www.viz-tools.com\/vi\/wp-content\/uploads\/sites\/10\/2025\/03\/viz-tools-logo.png\",\"width\":512,\"height\":512,\"caption\":\"Viz Tools Vietnamese - Latest Trends in Software, Tech, and Innovation\"},\"image\":{\"@id\":\"https:\/\/www.viz-tools.com\/vi\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.viz-tools.com\/vi\/#\/schema\/person\/f0483c8e16a5e74ba067e69a80eb9b0c\",\"name\":\"vpadmin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g\",\"caption\":\"vpadmin\"},\"sameAs\":[\"https:\/\/www.viz-tools.com\"],\"url\":\"https:\/\/www.viz-tools.com\/vi\/author\/vpadmin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"C\u00e1c k\u00fd hi\u1ec7u v\u00e0 k\u00fd hi\u1ec7u s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML: H\u01b0\u1edbng d\u1eabn tham kh\u1ea3o nhanh","description":"H\u1ecdc c\u00e1c k\u00fd hi\u1ec7u s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML thi\u1ebft y\u1ebfu, c\u00e1c lu\u1ed3ng n\u01b0\u1edbc v\u00e0 lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n. H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n cho ph\u00e2n t\u00edch v\u00e0 m\u00f4 h\u00ecnh h\u00f3a h\u1ec7 th\u1ed1ng.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/","og_locale":"vi_VN","og_type":"article","og_title":"C\u00e1c k\u00fd hi\u1ec7u v\u00e0 k\u00fd hi\u1ec7u s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML: H\u01b0\u1edbng d\u1eabn tham kh\u1ea3o nhanh","og_description":"H\u1ecdc c\u00e1c k\u00fd hi\u1ec7u s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML thi\u1ebft y\u1ebfu, c\u00e1c lu\u1ed3ng n\u01b0\u1edbc v\u00e0 lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n. H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n cho ph\u00e2n t\u00edch v\u00e0 m\u00f4 h\u00ecnh h\u00f3a h\u1ec7 th\u1ed1ng.","og_url":"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/","og_site_name":"Viz Tools Vietnamese - Latest Trends in Software, Tech, and Innovation","article_published_time":"2026-04-04T14:21:54+00:00","og_image":[{"width":1664,"height":928,"url":"https:\/\/www.viz-tools.com\/vi\/wp-content\/uploads\/sites\/10\/2026\/04\/uml-activity-diagram-symbols-reference-chalkboard-infographic.jpg","type":"image\/jpeg"}],"author":"vpadmin","twitter_card":"summary_large_image","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"vpadmin","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"22 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/#article","isPartOf":{"@id":"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/"},"author":{"name":"vpadmin","@id":"https:\/\/www.viz-tools.com\/vi\/#\/schema\/person\/f0483c8e16a5e74ba067e69a80eb9b0c"},"headline":"H\u01b0\u1edbng D\u1eabn Tham Kh\u1ea3o Nhanh: C\u00e1c K\u00fd Hi\u1ec7u v\u00e0 K\u00fd Ph\u00e1p C\u1ea7n Thi\u1ebft Cho M\u1ecdi S\u01a1 \u0110\u1ed3 Ho\u1ea1t \u0110\u1ed9ng UML","datePublished":"2026-04-04T14:21:54+00:00","mainEntityOfPage":{"@id":"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/"},"wordCount":4438,"publisher":{"@id":"https:\/\/www.viz-tools.com\/vi\/#organization"},"image":{"@id":"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/#primaryimage"},"thumbnailUrl":"https:\/\/www.viz-tools.com\/vi\/wp-content\/uploads\/sites\/10\/2026\/04\/uml-activity-diagram-symbols-reference-chalkboard-infographic.jpg","keywords":["academic","activity diagram"],"articleSection":["Unified Modeling Language"],"inLanguage":"vi"},{"@type":"WebPage","@id":"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/","url":"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/","name":"C\u00e1c k\u00fd hi\u1ec7u v\u00e0 k\u00fd hi\u1ec7u s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML: H\u01b0\u1edbng d\u1eabn tham kh\u1ea3o nhanh","isPartOf":{"@id":"https:\/\/www.viz-tools.com\/vi\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/#primaryimage"},"image":{"@id":"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/#primaryimage"},"thumbnailUrl":"https:\/\/www.viz-tools.com\/vi\/wp-content\/uploads\/sites\/10\/2026\/04\/uml-activity-diagram-symbols-reference-chalkboard-infographic.jpg","datePublished":"2026-04-04T14:21:54+00:00","description":"H\u1ecdc c\u00e1c k\u00fd hi\u1ec7u s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML thi\u1ebft y\u1ebfu, c\u00e1c lu\u1ed3ng n\u01b0\u1edbc v\u00e0 lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n. H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n cho ph\u00e2n t\u00edch v\u00e0 m\u00f4 h\u00ecnh h\u00f3a h\u1ec7 th\u1ed1ng.","breadcrumb":{"@id":"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/"]}]},{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/#primaryimage","url":"https:\/\/www.viz-tools.com\/vi\/wp-content\/uploads\/sites\/10\/2026\/04\/uml-activity-diagram-symbols-reference-chalkboard-infographic.jpg","contentUrl":"https:\/\/www.viz-tools.com\/vi\/wp-content\/uploads\/sites\/10\/2026\/04\/uml-activity-diagram-symbols-reference-chalkboard-infographic.jpg","width":1664,"height":928},{"@type":"BreadcrumbList","@id":"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagram-symbols-notations-guide\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.viz-tools.com\/vi\/"},{"@type":"ListItem","position":2,"name":"H\u01b0\u1edbng D\u1eabn Tham Kh\u1ea3o Nhanh: C\u00e1c K\u00fd Hi\u1ec7u v\u00e0 K\u00fd Ph\u00e1p C\u1ea7n Thi\u1ebft Cho M\u1ecdi S\u01a1 \u0110\u1ed3 Ho\u1ea1t \u0110\u1ed9ng UML"}]},{"@type":"WebSite","@id":"https:\/\/www.viz-tools.com\/vi\/#website","url":"https:\/\/www.viz-tools.com\/vi\/","name":"Viz Tools Vietnamese - Latest Trends in Software, Tech, and Innovation","description":"","publisher":{"@id":"https:\/\/www.viz-tools.com\/vi\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.viz-tools.com\/vi\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"vi"},{"@type":"Organization","@id":"https:\/\/www.viz-tools.com\/vi\/#organization","name":"Viz Tools Vietnamese - Latest Trends in Software, Tech, and Innovation","url":"https:\/\/www.viz-tools.com\/vi\/","logo":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/www.viz-tools.com\/vi\/#\/schema\/logo\/image\/","url":"https:\/\/www.viz-tools.com\/vi\/wp-content\/uploads\/sites\/10\/2025\/03\/viz-tools-logo.png","contentUrl":"https:\/\/www.viz-tools.com\/vi\/wp-content\/uploads\/sites\/10\/2025\/03\/viz-tools-logo.png","width":512,"height":512,"caption":"Viz Tools Vietnamese - Latest Trends in Software, Tech, and Innovation"},"image":{"@id":"https:\/\/www.viz-tools.com\/vi\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.viz-tools.com\/vi\/#\/schema\/person\/f0483c8e16a5e74ba067e69a80eb9b0c","name":"vpadmin","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g","caption":"vpadmin"},"sameAs":["https:\/\/www.viz-tools.com"],"url":"https:\/\/www.viz-tools.com\/vi\/author\/vpadmin\/"}]}},"_links":{"self":[{"href":"https:\/\/www.viz-tools.com\/vi\/wp-json\/wp\/v2\/posts\/566","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.viz-tools.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.viz-tools.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.viz-tools.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.viz-tools.com\/vi\/wp-json\/wp\/v2\/comments?post=566"}],"version-history":[{"count":0,"href":"https:\/\/www.viz-tools.com\/vi\/wp-json\/wp\/v2\/posts\/566\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.viz-tools.com\/vi\/wp-json\/wp\/v2\/media\/567"}],"wp:attachment":[{"href":"https:\/\/www.viz-tools.com\/vi\/wp-json\/wp\/v2\/media?parent=566"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.viz-tools.com\/vi\/wp-json\/wp\/v2\/categories?post=566"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.viz-tools.com\/vi\/wp-json\/wp\/v2\/tags?post=566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}