Ban \u0111\u1ea7u \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0o gi\u1eefa nh\u1eefng n\u0103m 1990 b\u1edfi Grady Booch, James Rumbaugh v\u00e0 Ivar Jacobson (g\u1ecdi l\u00e0 ‘Ba ng\u01b0\u1eddi b\u1ea1n’), UML \u0111\u00e3 th\u1ed1ng nh\u1ea5t nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p m\u00f4 h\u00ecnh h\u00f3a h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn th\u1eddi \u0111i\u1ec3m \u0111\u00f3. Sau n\u00e0y, n\u00f3 \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn v\u00e0 chu\u1ea9n h\u00f3a b\u1edfi Nh\u00f3m Qu\u1ea3n l\u00fd \u0110\u1ed1i t\u01b0\u1ee3ng (OMG)<\/strong>. Phi\u00ean b\u1ea3n hi\u1ec7n t\u1ea1i, UML 2.5.1<\/strong>, \u0111\u1ecbnh ngh\u0129a 14 lo\u1ea1i s\u01a1 \u0111\u1ed3<\/strong> m\u00e0 c\u00f9ng cung c\u1ea5p c\u1ea3 c\u1ea5u tr\u00fac<\/strong> (t\u0129nh) v\u00e0 h\u00e0nh vi<\/strong> (\u0111\u1ed9ng) v\u1ec1 m\u1ed9t h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m.<\/p>\n UML kh\u00f4ng ph\u1ea3i l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh, c\u0169ng kh\u00f4ng ph\u1ea3i l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m. Thay v\u00e0o \u0111\u00f3, n\u00f3 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a ph\u1ed5 qu\u00e1t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u quy tr\u00ecnh kh\u00e1c nhau \u2014 t\u1eeb c\u00e1c ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng nh\u01b0 Waterfall v\u00e0 Rational Unified Process (RUP) \u0111\u1ebfn c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7n \u0111\u1ea1i nh\u01b0 Agile v\u00e0 DevOps.<\/strong>m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh, c\u0169ng kh\u00f4ng ph\u1ea3i l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m. Thay v\u00e0o \u0111\u00f3, n\u00f3 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a ph\u1ed5 qu\u00e1t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u quy tr\u00ecnh kh\u00e1c nhau \u2014 t\u1eeb c\u00e1c ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng nh\u01b0 Waterfall v\u00e0 Rational Unified Process (RUP) \u0111\u1ebfn c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7n \u0111\u1ea1i nh\u01b0 Agile v\u00e0 DevOps.<\/p>\n Trong b\u1ed1i c\u1ea3nh ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m hi\u1ec7n nay, UML v\u1eabn r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi:<\/p>\n M\u1eb7c d\u00f9 m\u1ed9t s\u1ed1 ng\u01b0\u1eddi ch\u1ec9 tr\u00edch UML v\u00ec khuy\u1ebfn kh\u00edch vi\u1ec7c t\u1ea1o t\u00e0i li\u1ec7u qu\u00e1 m\u1ee9c, nh\u01b0ng khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng m\u1ed9t c\u00e1ch th\u1eadn tr\u1ecdng \u2014 \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nh\u1eb9 nh\u00e0ng v\u00e0 l\u1eb7p l\u1ea1i \u2014 n\u00f3 v\u1eabn ti\u1ebfp t\u1ee5c l\u00e0 m\u1ed9t trong nh\u1eefng c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd nh\u1ea5t \u0111\u1ec3 suy ngh\u0129 v\u1ec1 c\u00e1c v\u1ea5n \u0111\u1ec1 ph\u1ee9c t\u1ea1p v\u00e0 t\u1ea1o ra c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m d\u1ec5 b\u1ea3o tr\u00ec, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t.<\/p>\n UML (Ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a th\u1ed1ng nh\u1ea5t<\/a>)<\/strong>l\u00e0 ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a tr\u1ef1c quan chu\u1ea9n h\u00f3a \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh, tr\u1ef1c quan h\u00f3a, x\u00e2y d\u1ef1ng v\u00e0 t\u00e0i li\u1ec7u h\u00f3a c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m. \u0110\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Nh\u00f3m Qu\u1ea3n l\u00fd \u0110\u1ed1i t\u01b0\u1ee3ng (OMG),UML<\/a> cung c\u1ea5p m\u1ed9t k\u00fd hi\u1ec7u chung gi\u00fap c\u00e1c k\u1ef9 s\u01b0 ph\u1ea7n m\u1ec1m, ki\u1ebfn tr\u00fac s\u01b0, nh\u00e0 thi\u1ebft k\u1ebf, nh\u00e0 ph\u00e1t tri\u1ec3n, ng\u01b0\u1eddi ki\u1ec3m th\u1eed v\u00e0 c\u00e1c b\u00ean li\u00ean quan giao ti\u1ebfp c\u00e1c \u00fd t\u01b0\u1edfng ph\u1ee9c t\u1ea1p m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng, kh\u00f4ng g\u00e2y hi\u1ec3u l\u1ea7m.<\/p>\n UML l\u00e0kh\u00f4ng ph\u1ea3i<\/strong> m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh, ph\u01b0\u01a1ng ph\u00e1p hay quy tr\u00ecnh. N\u00f3 l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi nhi\u1ec1u quy tr\u00ecnh kh\u00e1c nhau (Waterfall, Agile, RUP, v.v.). N\u00f3 h\u1ed7 tr\u1ee3 c\u1ea3 quan \u0111i\u1ec3m c\u1ea5u tr\u00fac (t\u0129nh) v\u00e0 h\u00e0nh vi (\u0111\u1ed9ng) c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng.<\/p>\n UML 1.0 \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t v\u00e0o n\u0103m 1997 b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nh\u01b0 Booch, OMT v\u00e0 m\u00f4 h\u00ecnh h\u00f3a tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/p>\n<\/li>\n UML 2.0 (2005) \u0111\u00e3 gi\u1edbi thi\u1ec7u nh\u1eefng c\u1ea3i ti\u1ebfn l\u1edbn, bao g\u1ed3m h\u1ed7 tr\u1ee3 t\u1ed1t h\u01a1n cho c\u00e1c th\u00e0nh ph\u1ea7n, t\u01b0\u01a1ng t\u00e1c v\u00e0 ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<\/li>\n Phi\u00ean b\u1ea3n hi\u1ec7n t\u1ea1i:UML 2.5.1<\/strong> (c\u1eadp nh\u1eadt nh\u1ecf cho UML 2.5). N\u00f3 \u0111\u1ecbnh ngh\u0129a\u00a014 lo\u1ea1i s\u01a1 \u0111\u1ed3<\/strong><\/a><\/p>\n<\/li>\n<\/ul>\n UML h\u1ed7 tr\u1ee3 trong:<\/p>\n Ph\u00e2n t\u00edch y\u00eau c\u1ea7u<\/p>\n<\/li>\n Thi\u1ebft k\u1ebf v\u00e0 ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng<\/p>\n<\/li>\n T\u1ea1o m\u00e3 ngu\u1ed3n\/ki\u1ebfn tr\u00fac ng\u01b0\u1ee3c (v\u1edbi c\u00f4ng c\u1ee5)<\/p>\n<\/li>\n T\u00e0i li\u1ec7u h\u00f3a v\u00e0 b\u1ea3o tr\u00ec<\/p>\n<\/li>\n Giao ti\u1ebfp gi\u1eefa c\u00e1c nh\u00f3m k\u1ef9 thu\u1eadt v\u00e0 phi k\u1ef9 thu\u1eadt<\/p>\n<\/li>\n<\/ul>\n Tr\u1ef1c quan h\u00f3a<\/strong>: Chuy\u1ec3n \u0111\u1ed5i c\u00e1c y\u00eau c\u1ea7u tr\u1eebu t\u01b0\u1ee3ng th\u00e0nh c\u00e1c s\u01a1 \u0111\u1ed3 c\u1ee5 th\u1ec3 (\u201cm\u1ed9t b\u1ee9c tranh \u0111\u00e1ng gi\u00e1 m\u1ed9t ng\u00e0n l\u1eddi\u201d).<\/p>\n<\/li>\n Giao ti\u1ebfp<\/strong>: Ng\u00f4n ng\u1eef chung gi\u00fap gi\u1ea3m hi\u1ec3u l\u1ea7m gi\u1eefa c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n, ki\u1ebfn tr\u00fac s\u01b0, chuy\u00ean vi\u00ean ph\u00e2n t\u00edch kinh doanh v\u00e0 kh\u00e1ch h\u00e0ng.<\/p>\n<\/li>\n Ph\u00e2n t\u00edch & Ki\u1ec3m ch\u1ee9ng<\/strong>: Ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c kho\u1ea3ng tr\u1ed1ng, m\u00e2u thu\u1eabn ho\u1eb7c r\u1ee7i ro.<\/p>\n<\/li>\n Kh\u1ea3 n\u0103ng truy xu\u1ea5t<\/strong>: Li\u00ean k\u1ebft y\u00eau c\u1ea7u \u0111\u1ebfn thi\u1ebft k\u1ebf \u0111\u1ebfn tri\u1ec3n khai.<\/p>\n<\/li>\n Kh\u1ea3 n\u0103ng t\u00e1i s\u1eed d\u1ee5ng v\u00e0 b\u1ea3o tr\u00ec<\/strong>: Thi\u1ebft k\u1ebf module t\u1ed1t h\u01a1n th\u00f4ng qua c\u00e1c m\u1ed1i quan h\u1ec7 r\u00f5 r\u00e0ng.<\/p>\n<\/li>\n T\u00ednh t\u01b0\u01a1ng th\u00edch v\u1edbi Agile<\/strong>: S\u1eed d\u1ee5ng m\u1ed9t c\u00e1ch c\u00f3 ch\u1ecdn l\u1ecdc v\u00e0 l\u1eb7p l\u1ea1i (v\u00ed d\u1ee5: c\u00e1c b\u1ea3n ph\u00e1c th\u1ea3o nh\u1eb9 nh\u00e0ng trong c\u00e1c bu\u1ed5i h\u1ecdp b\u1ea3ng tr\u1eafng ho\u1eb7c PlantUML cho c\u00e1c s\u01a1 \u0111\u1ed3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n).<\/p>\n<\/li>\n<\/ul>\n Ghi ch\u00fa v\u1ec1 th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t<\/strong>: Trong Agile\/DevOps hi\u1ec7n \u0111\u1ea1i, tr\u00e1nh \u201cthi\u1ebft k\u1ebf l\u1edbn ngay t\u1eeb \u0111\u1ea7u\u201d. T\u1ea1o v\u00e0 ho\u00e0n thi\u1ec7n s\u01a1 \u0111\u1ed3 ch\u1ec9 \u0111\u1ee7 \u0111\u1ec3 gi\u1ea3i quy\u1ebft s\u1ef1 b\u1ea5t \u0111\u1ecbnh hi\u1ec7n t\u1ea1i ho\u1eb7c truy\u1ec1n \u0111\u1ea1t m\u1ed9t quy\u1ebft \u0111\u1ecbnh. Gi\u1eef s\u01a1 \u0111\u1ed3 \u0111\u01a1n gi\u1ea3n, t\u1eadp trung v\u00e0 c\u1eadp nh\u1eadt ch\u1ec9 khi ch\u00fang mang l\u1ea1i gi\u00e1 tr\u1ecb.<\/p>\n S\u01a1 \u0111\u1ed3 UML<\/a> \u0111\u01b0\u1ee3c chia th\u00e0nh hai nh\u00f3m ch\u00ednh:<\/p>\n S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac<\/strong>\u00a0(Quan \u0111i\u1ec3m t\u0129nh \u2013 c\u00e1i m\u00e0 h\u1ec7 th\u1ed1ng\u00a0l\u00e0<\/em>):<\/p>\n S\u01a1 \u0111\u1ed3 l\u1edbp<\/p>\n<\/li>\n S\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng<\/p>\n<\/li>\n S\u01a1 \u0111\u1ed3 g\u00f3i<\/p>\n<\/li>\n S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh<\/p>\n<\/li>\n S\u01a1 \u0111\u1ed3 th\u00e0nh ph\u1ea7n<\/p>\n<\/li>\n S\u01a1 \u0111\u1ed3 tri\u1ec3n khai<\/p>\n<\/li>\n S\u01a1 \u0111\u1ed3 h\u1ed3 s\u01a1<\/p>\n<\/li>\n<\/ul>\n<\/li>\n S\u01a1 \u0111\u1ed3 h\u00e0nh vi<\/strong>\u00a0(Quan \u0111i\u1ec3m \u0111\u1ed9ng \u2013 c\u00e1i m\u00e0 h\u1ec7 th\u1ed1ng\u00a0l\u00e0m<\/em>):<\/p>\n S\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/p>\n<\/li>\n S\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng<\/p>\n<\/li>\n S\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i<\/p>\n<\/li>\n S\u01a1 \u0111\u1ed3 t\u01b0\u01a1ng t\u00e1c (ph\u1ea7n ph\u1ee5):<\/p>\n S\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1<\/p>\n<\/li>\n S\u01a1 \u0111\u1ed3 giao ti\u1ebfp (tr\u01b0\u1edbc \u0111\u00e2y l\u00e0 S\u01a1 \u0111\u1ed3 h\u1ee3p t\u00e1c)<\/p>\n<\/li>\n S\u01a1 \u0111\u1ed3 t\u1ed5ng quan t\u01b0\u01a1ng t\u00e1c<\/p>\n<\/li>\n S\u01a1 \u0111\u1ed3 th\u1eddi gian<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n C\u00e1c s\u01a1 \u0111\u1ed3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u1ea5t trong th\u1ef1c t\u1ebf l\u00e0\u00a0L\u1edbp, Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, Chu\u1ed7i, Ho\u1ea1t \u0111\u1ed9ng, Th\u00e0nh ph\u1ea7n<\/strong>, v\u00e0\u00a0Tri\u1ec3n khai<\/strong>. Nhi\u1ec1u d\u1ef1 \u00e1n th\u00e0nh c\u00f4ng ch\u1ec9 v\u1edbi 3\u20135 lo\u1ea1i s\u01a1 \u0111\u1ed3.<\/p>\n S\u01a1 \u0111\u1ed3 UML c\u01a1 b\u1ea3n v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t. N\u00f3 th\u1ec3 hi\u1ec7n c\u1ea5u tr\u00fac t\u0129nh c\u1ee7a h\u1ec7 th\u1ed1ng: c\u00e1c l\u1edbp, giao di\u1ec7n, thu\u1ed9c t\u00ednh, thao t\u00e1c (ph\u01b0\u01a1ng th\u1ee9c) v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7.<\/p>\n C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh<\/strong>:<\/p>\n L\u1edbp<\/strong>: H\u00ecnh ch\u1eef nh\u1eadt v\u1edbi ba ng\u0103n (t\u00ean, thu\u1ed9c t\u00ednh, thao t\u00e1c).<\/p>\n<\/li>\n Quy\u1ec1n truy c\u1eadp<\/strong>:\u00a0 Thu\u1ed9c t\u00ednh<\/strong>:\u00a0 Thao t\u00e1c<\/strong>:\u00a0 M\u1ed1i quan h\u1ec7<\/strong>:<\/p>\n Li\u00ean k\u1ebft<\/strong>\u00a0(\u0111\u01b0\u1eddng li\u1ec1n): M\u1ed1i quan h\u1ec7 t\u1ed5ng qu\u00e1t (v\u00ed d\u1ee5: \u201cch\u1ee9a\u201d).<\/p>\n<\/li>\n T\u1ed5ng h\u1ee3p<\/strong>\u00a0(\u0111\u00e1y h\u00ecnh thoi r\u1ed7ng): \u201cC\u00f3-m\u1ed9t\u201d (y\u1ebfu, c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i \u0111\u1ed9c l\u1eadp).<\/p>\n<\/li>\n Th\u00e0nh ph\u1ea7n<\/strong>\u00a0(\u0111\u00e1y h\u00ecnh thoi \u0111\u1ea7y): \u201cC\u00f3-m\u1ed9t\u201d m\u1ea1nh (c\u00e1c b\u1ed9 ph\u1eadn ch\u1ebft c\u00f9ng to\u00e0n b\u1ed9).<\/p>\n<\/li>\n T\u1ed5ng qu\u00e1t\/H\u1ed9i nh\u1eadp<\/strong>\u00a0(\u0111\u01b0\u1eddng m\u0169i t\u00ean li\u1ec1n v\u1edbi tam gi\u00e1c r\u1ed7ng): \u201cL\u00e0-m\u1ed9t\u201d.<\/p>\n<\/li>\n Ph\u1ee5 thu\u1ed9c<\/strong>\u00a0(\u0111\u01b0\u1eddng m\u0169i t\u00ean \u0111\u1ee9t): S\u1eed d\u1ee5ng t\u1ea1m th\u1eddi.<\/p>\n<\/li>\n Th\u1ef1c hi\u1ec7n<\/strong>\u00a0(\u0111\u01b0\u1eddng m\u0169i t\u00ean \u0111\u1ee9t v\u1edbi tam gi\u00e1c r\u1ed7ng): Th\u1ef1c hi\u1ec7n giao di\u1ec7n.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n V\u00ed d\u1ee5 s\u1eed d\u1ee5ng<\/strong>: M\u00f4 h\u00ecnh h\u00f3a mi\u1ec1n, thi\u1ebft k\u1ebf l\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u, l\u1eadp k\u1ebf ho\u1ea1ch l\u1edbp OOP.<\/p>\n M\u1ed9t b\u1ee9c \u1ea3nh ch\u1ee5p l\u1ea1i s\u01a1 \u0111\u1ed3 l\u1edbp t\u1ea1i th\u1eddi \u0111i\u1ec3m ch\u1ea1y, hi\u1ec3n th\u1ecb c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee5 th\u1ec3 (th\u1ec3 hi\u1ec7n) v\u00e0 c\u00e1c li\u00ean k\u1ebft c\u1ee7a ch\u00fang. H\u1eefu \u00edch \u0111\u1ec3 minh h\u1ecda c\u00e1c v\u00ed d\u1ee5 ho\u1eb7c t\u00ecnh hu\u1ed1ng g\u1ee1 l\u1ed7i.<\/p>\n S\u1eafp x\u1ebfp c\u00e1c th\u00e0nh ph\u1ea7n v\u00e0o c\u00e1c kh\u00f4ng gian t\u00ean ph\u00e2n c\u1ea5p (gi\u1ed1ng nh\u01b0 th\u01b0 m\u1ee5c). Hi\u1ec3n th\u1ecb c\u00e1c m\u1ed1i ph\u1ee5 thu\u1ed9c gi\u1eefa c\u00e1c g\u00f3i. H\u1eefu \u00edch cho c\u00e1c h\u1ec7 th\u1ed1ng l\u1edbn \u0111\u1ec3 qu\u1ea3n l\u00fd \u0111\u1ed9 ph\u1ee9c t\u1ea1p v\u00e0 l\u1edbp t\u1ea7ng.<\/p>\n Hi\u1ec3n th\u1ecb c\u00e1c th\u00e0nh ph\u1ea7n ph\u1ea7n m\u1ec1m (c\u00e1c b\u1ed9 ph\u1eadn modular, thay th\u1ebf \u0111\u01b0\u1ee3c) v\u00e0 c\u00e1c giao di\u1ec7n, c\u1ed5ng, c\u0169ng nh\u01b0 m\u1ed1i ph\u1ee5 thu\u1ed9c c\u1ee7a ch\u00fang. Ph\u00f9 h\u1ee3p \u0111\u1ec3 xem x\u00e9t c\u00e1c quan \u0111i\u1ec3m ki\u1ebfn tr\u00fac c\u1ea5p cao (v\u00ed d\u1ee5: microservices, ki\u1ebfn tr\u00fac t\u1ea7ng).<\/p>\n Chi ti\u1ebft c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i (l\u1edbp\/th\u00e0nh ph\u1ea7n), hi\u1ec3n th\u1ecb c\u00e1c b\u1ed9 ph\u1eadn, c\u1ed5ng v\u00e0 c\u00e1c k\u1ebft n\u1ed1i. H\u1eefu \u00edch cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng ph\u1ee9c t\u1ea1p c\u00f3 s\u1ef1 h\u1ee3p t\u00e1c n\u1ed9i b\u1ed9.<\/p>\n M\u00f4 h\u00ecnh h\u00f3a vi\u1ec7c tri\u1ec3n khai v\u1eadt l\u00fd c\u1ee7a c\u00e1c t\u00e1c ph\u1ea9m (ph\u1ea7n m\u1ec1m) l\u00ean c\u00e1c n\u00fat (thi\u1ebft b\u1ecb ph\u1ea7n c\u1ee9ng\/m\u00e1y ch\u1ee7, thi\u1ebft b\u1ecb, m\u00e1y \u1ea3o \u0111\u00e1m m\u00e2y). Hi\u1ec3n th\u1ecb m\u00f4i tr\u01b0\u1eddng th\u1ef1c thi, c\u00e1c \u0111\u01b0\u1eddng truy\u1ec1n th\u00f4ng v\u00e0 c\u00e1c t\u00e1c ph\u1ea9m.<\/p>\n V\u00ed d\u1ee5<\/strong>: \u1ee8ng d\u1ee5ng web \u0111\u01b0\u1ee3c tri\u1ec3n khai tr\u00ean c\u00e1c m\u00e1y ch\u1ee7 \u1ee9ng d\u1ee5ng, c\u01a1 s\u1edf d\u1eef li\u1ec7u tr\u00ean n\u00fat ri\u00eang bi\u1ec7t, c\u00e2n b\u1eb1ng t\u1ea3i, v.v.<\/p>\n M\u1edf r\u1ed9ng UML b\u1eb1ng c\u00e1c ki\u1ec3u d\u00e1ng t\u00f9y ch\u1ec9nh, gi\u00e1 tr\u1ecb g\u1eafn th\u1ebb v\u00e0 r\u00e0ng bu\u1ed9c cho m\u00f4 h\u00ecnh h\u00f3a chuy\u00ean ng\u00e0nh (v\u00ed d\u1ee5: cho c\u00e1c h\u1ec7 th\u1ed1ng th\u1eddi gian th\u1ef1c ho\u1eb7c ki\u1ebfn tr\u00fac doanh nghi\u1ec7p).<\/p>\n Ghi l\u1ea1i c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng t\u1eeb g\u00f3c nh\u00ecn ng\u01b0\u1eddi d\u00f9ng. Hi\u1ec3n th\u1ecb\u00a0c\u00e1c t\u00e1c nh\u00e2n<\/strong>\u00a0(ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c c\u00e1c h\u1ec7 th\u1ed1ng b\u00ean ngo\u00e0i) v\u00e0\u00a0c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong>\u00a0(m\u1ee5c ti\u00eau ho\u1eb7c ch\u1ee9c n\u0103ng), v\u1edbi c\u00e1c m\u1ed1i quan h\u1ec7 nh\u01b0\u00a0 M\u1ee5c \u0111\u00edch<\/strong>: Thu th\u1eadp y\u00eau c\u1ea7u, x\u00e1c \u0111\u1ecbnh ph\u1ea1m vi, giao ti\u1ebfp v\u1edbi c\u00e1c b\u00ean li\u00ean quan.<\/p>\n V\u00ed d\u1ee5<\/strong>: Ng\u00e2n h\u00e0ng tr\u1ef1c tuy\u1ebfn \u2013 c\u00e1c t\u00e1c nh\u00e2n: Kh\u00e1ch h\u00e0ng, Nh\u00e2n vi\u00ean giao d\u1ecbch; c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng: \u0110\u0103ng nh\u1eadp, Chuy\u1ec3n ti\u1ec1n, Xem s\u1ed1 d\u01b0.<\/p>\n M\u00f4 h\u00ecnh h\u00f3a c\u00e1c lu\u1ed3ng c\u00f4ng vi\u1ec7c, quy tr\u00ecnh kinh doanh ho\u1eb7c c\u00e1c b\u01b0\u1edbc thu\u1eadt to\u00e1n. Gi\u1ed1ng nh\u01b0 s\u01a1 \u0111\u1ed3 l\u01b0u \u0111\u1ed3 nh\u01b0ng h\u1ed7 tr\u1ee3 t\u00ednh \u0111\u1ed3ng th\u1eddi (chia\/t\u00e1ch, h\u1ee3p nh\u1ea5t), quy\u1ebft \u0111\u1ecbnh, h\u1ee3p nh\u1ea5t, c\u00e1c l\u00e0n d\u1ecdc (ph\u00e2n v\u00f9ng cho c\u00e1c t\u00e1c nh\u00e2n) v\u00e0 lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng.<\/p>\n C\u00e1c k\u00fd hi\u1ec7u ch\u00ednh<\/strong>:<\/p>\n N\u00fat kh\u1edfi \u0111\u1ea7u (h\u00ecnh tr\u00f2n \u0111\u1ea7y)<\/p>\n<\/li>\n H\u00e0nh \u0111\u1ed9ng (h\u00ecnh ch\u1eef nh\u1eadt bo tr\u00f2n)<\/p>\n<\/li>\n N\u00fat quy\u1ebft \u0111\u1ecbnh (h\u00ecnh thoi)<\/p>\n<\/li>\n N\u00fat h\u1ee3p nh\u1ea5t<\/p>\n<\/li>\n Chia\/T\u00e1ch (c\u00e1c thanh d\u00e0y \u0111\u1ec3 bi\u1ec3u di\u1ec5n song song)<\/p>\n<\/li>\n N\u00fat k\u1ebft th\u00fac (h\u00ecnh v\u00f2ng tr\u00f2n trung t\u00e2m)<\/p>\n<\/li>\n<\/ul>\n \u1ee8ng d\u1ee5ng<\/strong>: M\u00f4 h\u00ecnh h\u00f3a quy tr\u00ecnh kinh doanh, thi\u1ebft k\u1ebf thu\u1eadt to\u00e1n chi ti\u1ebft, c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ed3ng th\u1eddi.<\/p>\n Hi\u1ec3n th\u1ecb c\u00e1c tr\u1ea1ng th\u00e1i m\u00e0 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng \u0111i qua, c\u00e1c s\u1ef1 ki\u1ec7n k\u00edch ho\u1ea1t chuy\u1ec3n ti\u1ebfp, \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 (gi\u1edbi h\u1ea1n), v\u00e0 c\u00e1c h\u00e0nh \u0111\u1ed9ng. R\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ea3n \u1ee9ng ho\u1eb7c c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 v\u00f2ng \u0111\u1eddi (v\u00ed d\u1ee5: \u0110\u01a1n h\u00e0ng: \u0110ang ch\u1edd \u2192 \u0110\u00e3 thanh to\u00e1n \u2192 \u0110ang giao h\u00e0ng \u2192 \u0110\u00e3 giao).<\/p>\n S\u01a1 \u0111\u1ed3 Th\u1ee9 t\u1ef1<\/strong>:<\/p>\n S\u01a1 \u0111\u1ed3 t\u01b0\u01a1ng t\u00e1c ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/p>\n<\/li>\n Hi\u1ec3n th\u1ecb c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng (\u0111\u01b0\u1eddng s\u1ed1ng) v\u00e0 th\u1ee9 t\u1ef1 c\u00e1c tin nh\u1eafn \u0111\u01b0\u1ee3c trao \u0111\u1ed5i theo th\u1eddi gian.<\/p>\n<\/li>\n Tr\u1ee5c \u0111\u1ee9ng = th\u1eddi gian.<\/p>\n<\/li>\n H\u1ed7 tr\u1ee3 c\u00e1c thanh k\u00edch ho\u1ea1t, tin nh\u1eafn tr\u1ea3 v\u1ec1, c\u00e1c \u0111o\u1ea1n (alt, opt, loop, par cho song song, v.v.), v\u00e0 c\u00e1c l\u1ea7n xu\u1ea5t hi\u1ec7n t\u01b0\u01a1ng t\u00e1c.<\/p>\n<\/li>\n<\/ul>\n \u1ee8ng d\u1ee5ng<\/strong>: T\u01b0\u01a1ng t\u00e1c chi ti\u1ebft gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng, lu\u1ed3ng g\u1ecdi API, logic kinh doanh quan tr\u1ecdng.<\/p>\n S\u01a1 \u0111\u1ed3 Giao ti\u1ebfp<\/strong>\u00a0(C\u1ed9ng t\u00e1c):<\/p>\n T\u1eadp trung v\u00e0o c\u00e1c li\u00ean k\u1ebft (m\u1ed1i quan h\u1ec7) gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng thay v\u00ec th\u1ee9 t\u1ef1 nghi\u00eam ng\u1eb7t. C\u00e1c tin nh\u1eafn \u0111\u01b0\u1ee3c \u0111\u00e1nh s\u1ed1 \u0111\u1ec3 th\u1ec3 hi\u1ec7n th\u1ee9 t\u1ef1. G\u1ecdn g\u00e0ng h\u01a1n cho c\u00e1c h\u1ee3p t\u00e1c ph\u1ee9c t\u1ea1p.<\/p>\n<\/li>\n<\/ul>\n S\u01a1 \u0111\u1ed3 T\u1ed5ng quan T\u01b0\u01a1ng t\u00e1c<\/strong>:<\/p>\n K\u1ebft h\u1ee3p lu\u1ed3ng s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u00e1c tham chi\u1ebfu t\u01b0\u01a1ng t\u00e1c (s\u01a1 \u0111\u1ed3 th\u1ee9 t\u1ef1\/ giao ti\u1ebfp nh\u00fang). T\u1ed5ng quan c\u1ea5p cao v\u1ec1 lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n.<\/p>\n<\/li>\n<\/ul>\n S\u01a1 \u0111\u1ed3 Th\u1eddi gian<\/strong>:<\/p>\n T\u1eadp trung v\u00e0o c\u00e1c r\u00e0ng bu\u1ed9c v\u1ec1 th\u1eddi gian v\u00e0 thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i theo th\u1eddi gian. H\u1eefu \u00edch cho c\u00e1c h\u1ec7 th\u1ed1ng th\u1eddi gian th\u1ef1c ho\u1eb7c nh\u00fang v\u1edbi y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t nghi\u00eam ng\u1eb7t.<\/p>\n<\/li>\n<\/ul>\n UML ph\u00f9 h\u1ee3p v\u1edbi h\u1ea7u h\u1ebft c\u00e1c quy tr\u00ecnh nh\u01b0ng c\u00e1ch s\u1eed d\u1ee5ng kh\u00e1c nhau:<\/p>\n Giai \u0111o\u1ea1n Y\u00eau c\u1ea7u<\/strong>: S\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, s\u01a1 \u0111\u1ed3 Ho\u1ea1t \u0111\u1ed9ng cho lu\u1ed3ng ch\u1ee9c n\u0103ng; G\u00f3i \u0111\u1ec3 t\u1ed5 ch\u1ee9c c\u1ea5p cao.<\/p>\n<\/li>\n Ph\u00e2n t\u00edch & Thi\u1ebft k\u1ebf<\/strong>: L\u1edbp (m\u00f4 h\u00ecnh mi\u1ec1n), Th\u1ee9 t\u1ef1 (c\u00e1c t\u00ecnh hu\u1ed1ng ch\u00ednh), M\u00e1y tr\u1ea1ng th\u00e1i (v\u00f2ng \u0111\u1eddi), Th\u00e0nh ph\u1ea7n (ki\u1ebfn tr\u00fac).<\/p>\n<\/li>\n Tri\u1ec3n khai<\/strong>: L\u1edbp\/Th\u00e0nh ph\u1ea7n cho thi\u1ebft k\u1ebf chi ti\u1ebft; Tri\u1ec3n khai cho c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng.<\/p>\n<\/li>\n Ki\u1ec3m th\u1eed<\/strong>: C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng d\u1eabn d\u1eaft c\u00e1c tr\u01b0\u1eddng h\u1ee3p ki\u1ec3m th\u1eed; Th\u1ee9 t\u1ef1\/ Ho\u1ea1t \u0111\u1ed9ng cho ki\u1ec3m th\u1eed t\u00edch h\u1ee3p.<\/p>\n<\/li>\n B\u1ea3o tr\u00ec<\/strong>: C\u1eadp nh\u1eadt s\u01a1 \u0111\u1ed3 cho c\u00e1c thay \u0111\u1ed5i; t\u00e1i t\u1ea1o ng\u01b0\u1ee3c t\u1eeb m\u00e3 ngu\u1ed3n khi c\u1ea7n thi\u1ebft.<\/p>\n<\/li>\n<\/ul>\n Trong Agile<\/strong>:<\/p>\n S\u1eed d\u1ee5ng\u00a0m\u00f4 h\u00ecnh h\u00f3a nh\u1eb9 nh\u00e0ng, \u0111\u00fang l\u00fac<\/strong>.<\/p>\n<\/li>\n V\u1ebd ph\u00e1c th\u1ea3o tr\u00ean b\u1ea3ng tr\u1eafng ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 PlantUML (chuy\u1ec3n v\u0103n b\u1ea3n th\u00e0nh s\u01a1 \u0111\u1ed3, r\u1ea5t t\u1ed1t cho Git).<\/p>\n<\/li>\n T\u1eadp trung v\u00e0o “m\u00f4 h\u00ecnh h\u00f3a \u0111\u1ec3 hi\u1ec3u” thay v\u00ec t\u00e0i li\u1ec7u chi ti\u1ebft.<\/p>\n<\/li>\n C\u1ea3i ti\u1ebfn s\u01a1 \u0111\u1ed3 trong c\u00e1c bu\u1ed5i l\u1eadp k\u1ebf ho\u1ea1ch sprint ho\u1eb7c c\u00e1c bu\u1ed5i tinh ch\u1ec9nh.<\/p>\n<\/li>\n<\/ul>\n Trong Waterfall\/RUP<\/strong>: M\u00f4 h\u00ecnh h\u00f3a to\u00e0n di\u1ec7n ngay t\u1eeb \u0111\u1ea7u v\u1edbi kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c.<\/p>\n C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t chung<\/strong>:<\/p>\n Gi\u1eef s\u01a1 \u0111\u1ed3 \u1edf m\u1ee9c \u0111\u1ed9 tr\u1eebu t\u01b0\u1ee3ng ph\u00f9 h\u1ee3p (kh\u00f4ng tr\u1ed9n l\u1eabn ki\u1ebfn tr\u00fac c\u1ea5p cao v\u1edbi chi ti\u1ebft m\u00e3 ngu\u1ed3n c\u1ea5p th\u1ea5p trong m\u1ed9t s\u01a1 \u0111\u1ed3).<\/p>\n<\/li>\n S\u1eed d\u1ee5ng k\u00fd hi\u1ec7u v\u00e0 quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean nh\u1ea5t qu\u00e1n.<\/p>\n<\/li>\n Ch\u1ec9 duy tr\u00ec c\u00e1c s\u01a1 \u0111\u1ed3 mang l\u1ea1i gi\u00e1 tr\u1ecb li\u00ean t\u1ee5c; x\u00f3a c\u00e1c s\u01a1 \u0111\u1ed3 \u0111\u00e3 l\u1ed7i th\u1eddi.<\/p>\n<\/li>\n Li\u00ean k\u1ebft c\u00e1c s\u01a1 \u0111\u1ed3 (v\u00ed d\u1ee5: m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1, \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi c\u00e1c l\u1edbp).<\/p>\n<\/li>\n H\u1ee3p t\u00e1c: Tham gia c\u00e1c b\u00ean li\u00ean quan khi t\u1ea1o s\u01a1 \u0111\u1ed3 y\u00eau c\u1ea7u.<\/p>\n<\/li>\n Ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n s\u01a1 \u0111\u1ed3 (\u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c s\u01a1 \u0111\u1ed3 d\u1ef1a tr\u00ean v\u0103n b\u1ea3n nh\u01b0 PlantUML).<\/p>\n<\/li>\n Tr\u00e1nh “b\u1ebf t\u1eafc ph\u00e2n t\u00edch” \u2013 m\u00f4 h\u00ecnh h\u00f3a \u0111\u1ec3 gi\u1ea3i quy\u1ebft s\u1ef1 kh\u00f4ng ch\u1eafc ch\u1eafn ho\u1eb7c truy\u1ec1n \u0111\u1ea1t quy\u1ebft \u0111\u1ecbnh.<\/p>\n<\/li>\n<\/ul>\n Mi\u1ec5n ph\u00ed\/M\u1edf ngu\u1ed3n<\/strong>: Diagrams.net (draw.io) \u2013 v\u1ebd s\u01a1 \u0111\u1ed3 t\u1ed5ng qu\u00e1t tuy\u1ec7t v\u1eddi; PlantUML \u2013 d\u1ef1a tr\u00ean v\u0103n b\u1ea3n, l\u00fd t\u01b0\u1edfng cho nh\u00e0 ph\u00e1t tri\u1ec3n (t\u00edch h\u1ee3p v\u1edbi Markdown, Git, IDEs); StarUML.<\/p>\n<\/li>\n H\u1ee3p t\u00e1c\/\u0110i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y<\/strong>: Visual Paradigm Online<\/a> (h\u1ed7 tr\u1ee3 UML to\u00e0n di\u1ec7n).<\/p>\n<\/li>\n\n
\nUML l\u00e0 g\u00ec?<\/strong><\/h2>\n![\"Best](\"https:\/\/cdn-images.visual-paradigm.com\/editions\/modeler\/v1\/uml.png\"\/)
<\/p>\nL\u1ecbch s\u1eed v\u00e0 c\u00e1c phi\u00ean b\u1ea3n<\/h3>\n
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![\"\"](\"https:\/\/www.tech-posts.com\/wp-content\/uploads\/2026\/04\/img_69f0195d98db9.png\")
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L\u1ee3i \u00edch trong ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m<\/h3>\n
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Ph\u00e2n lo\u1ea1i s\u01a1 \u0111\u1ed3 UML (UML 2.5<\/a>)<\/h2>\n
![](\"https:\/\/cdn-images.visual-paradigm.com\/guide\/uml\/learn-the-14-uml-diagram-types\/01-uml-diagram-types.png\"\/)
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1. S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac<\/h3>\n
S\u01a1 \u0111\u1ed3 l\u1edbp<\/h4>\n
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+<\/code>\u00a0c\u00f4ng khai,\u00a0-<\/code>\u00a0ri\u00eang t\u01b0,\u00a0#<\/code>\u00a0b\u1ea3o v\u1ec7,\u00a0~<\/code>\u00a0g\u00f3i.<\/p>\n<\/li>\nquy\u1ec1n truy c\u1eadp t\u00ean: ki\u1ec3u = gi\u00e1 tr\u1ecbM\u1eb7c \u0111\u1ecbnh<\/code>.<\/p>\n<\/li>\nt\u00ean hi\u1ec3n th\u1ecb(param: ki\u1ec3u): ki\u1ec3u tr\u1ea3 v\u1ec1<\/code>.<\/p>\n<\/li>\n\n
S\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng<\/h4>\n
S\u01a1 \u0111\u1ed3 g\u00f3i<\/h4>\n
S\u01a1 \u0111\u1ed3 th\u00e0nh ph\u1ea7n<\/h4>\n
S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh<\/h4>\n
S\u01a1 \u0111\u1ed3 tri\u1ec3n khai<\/h4>\n
S\u01a1 \u0111\u1ed3 H\u1ed3 s\u01a1<\/h4>\n
2. S\u01a1 \u0111\u1ed3 H\u00e0nh vi<\/h3>\n
S\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h4>\n
<<bao g\u1ed3m>><\/code>,\u00a0<<m\u1edf r\u1ed9ng>><\/code>, v\u00e0 t\u1ed5ng qu\u00e1t h\u00f3a.<\/p>\nS\u01a1 \u0111\u1ed3 Ho\u1ea1t \u0111\u1ed9ng<\/h4>\n
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S\u01a1 \u0111\u1ed3 M\u00e1y tr\u1ea1ng th\u00e1i (Statechart)<\/h4>\n
S\u01a1 \u0111\u1ed3 T\u01b0\u01a1ng t\u00e1c<\/h4>\n
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L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 s\u1eed d\u1ee5ng UML trong Chu tr\u00ecnh ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m (SDLC)<\/h2>\n
![\"Visual](\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2024\/12\/visual-paradigm-main-features.png\"\/)
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![\"Visual](\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/1774261661.png\"\/)
<\/p>\nC\u00e1c c\u00f4ng c\u1ee5 UML ph\u1ed5 bi\u1ebfn (t\u00ednh \u0111\u1ebfn n\u0103m 2026)<\/h3>\n
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