{"id":1151,"date":"2024-01-21T13:34:35","date_gmt":"2024-01-21T04:34:35","guid":{"rendered":"https:\/\/skanto.co.kr\/?p=1151"},"modified":"2024-01-24T11:05:09","modified_gmt":"2024-01-24T02:05:09","slug":"%ec%9e%ac%ec%82%ac%ec%9a%a9%ec%84%b1%ec%9d%b4-%eb%86%92%ec%9d%80-%ec%9e%90%eb%b0%94-%ec%bd%94%eb%93%9c%eb%a5%bc-%ec%9e%91%ec%84%b1%ed%95%98%eb%a0%a4%eb%a9%b4","status":"publish","type":"post","link":"https:\/\/skanto.co.kr\/?p=1151","title":{"rendered":"\uc7ac\uc0ac\uc6a9\uc131\uc774 \ub192\uc740 \uc790\ubc14 \ucf54\ub4dc\ub97c \uc791\uc131\ud558\ub824\uba74"},"content":{"rendered":"\n

\uc7ac\uc0ac\uc6a9\uc131\uc774 \ub192\uace0 \ubcf4\uae30\uc5d0\ub3c4 \uc608\uc05c \ucf54\ub4dc\ub97c \uc791\uc131\ud574\uc57c \ud55c\ub2e4\ub77c\ub294 \uc598\uae30\ub97c \ub9ce\uc774 \ub4e3\uae34 \ud558\uc9c0\ub9cc \uc5b4\ub5bb\uac8c \ud558\uc57c \uc7ac\uc0ac\uc6a9\uc131\uc774 \ub192\uace0 \uc608\uc05c \ucf54\ub4dc\ub97c \uc791\uc131\ud558\ub294 \uac83\uc778\uc9c0 \ub9c9\uc5f0\ud560 \uac83\uc774\ub2e4. \ucd94\uc0c1\uc801\uc774\uae34 \ud558\uc9c0\ub9cc \uc544\ub9c8\ub3c4 \uc77d\uae30 \uc27d\uace0 \uc774\ud574\ud558\uae30 \ud3b8\ud558\uba70 \uc720\uc9c0\ubcf4\uc218\uac00 \uc6a9\uc774\ud55c \ucf54\ub4dc\ub97c \ub9d0\ud558\ub294 \uac83\uc77c \uac83\uc774\ub2e4. \uc774 \uae00\uc5d0\uc11c \uc7ac\uc0ac\uc6a9\uc131\uc774 \ub192\uc740 \ucf54\ub4dc\ub97c \uc791\uc131\ud568\uc5d0 \uc788\uc5b4 \uac1c\ubc1c\uc790\ub4e4\uc774 \uc27d\uac8c \uc2dc\uc791\ud560 \uc218 \uc788\ub294 8\uac00\uc9c0 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc598\uae30\ud574 \ubcf4\uace0\uc790 \ud55c\ub2e4.<\/p>\n\n\n\n

\uc7ac\uc0ac\uc6a9\uc131\uc774 \ub192\uc740 \ucf54\ub4dc\ub97c \uc791\uc131\ud55c\ub2e4\ub294 \uac83\uc740 \uac1c\ubc1c\uc790\ub4e4\uc5d0\uac8c \ub9e4\uc6b0 \uc911\uc694\ud558\uac8c \uc694\uad6c\ub418\ub294 \uae30\uc220\uc911\uc758 \ud558\ub098\ub77c\uc11c \ub9ce\uc740 \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc774 \ubc18\ub4dc\uc2dc \uc54c\uc544\uc57c \ud558\ub294 \ub355\ubaa9\uc774\ub77c \ud560 \uc218 \uc788\ub2e4. \uadfc\ub798 \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4\uc544\ud0a4\ud14d\ucc98(MSA)\uac00 \ubcf4\ud3b8\ud654 \ub41c \uac1c\ub150\uc73c\ub85c \uc790\ub9ac\uc7a1\uace0 \ub110\ub9ac \uc801\uc6a9\ud558\uace0 \uc788\ub294 \ucd94\uc138\uc774\ub2e4. \uc774\ub54c \uac01\uac01\uc758 \ub2e8\uc704 \uc11c\ube44\uc2a4\ub294 \ud06c\uae30\uac00 \uc791\uace0 \ud6a8\uc728\uc801\uc73c\ub85c \uad6c\uc131\ub418\ub3c4\ub85d \ud574\uc57c \uc788\uc73c\ubbc0\ub85c \ub192\uc740 \ud004\ub9ac\ud2f0\ub85c \ucf54\ub4dc\ub97c \uc791\uc131\ud560 \ud544\uc694\uae4c\uc9c0\ub294 \uc5c6\ub2e4\ub77c\uace0 \ub9d0\ud558\ub294 \uacbd\ud5a5\uc774\uc788\ub2e4.  \ud558\uc9c0\ub9cc \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4\ub3c4 \ub098\uc911\uc5d0 \ub9e4\uc6b0 \ud070 \uaddc\ubaa8\ub85c \uc131\uc7a5\ud560 \uc218 \uc788\uc73c\uba70 \uc774 \uacbd\uc6b0 \ucf54\ub4dc\ub97c \uc77d\uace0 \uc774\ud574\ud558\ub294\ub370 \uc18c\uc694\ub418\ub294 \uc2dc\uac04\uc774 \ucd5c\ucd08\ub85c \uc791\uc131\ud588\uc744 \ub54c\ubcf4\ub2e4 10\ubc30 \uc774\uc0c1\uc740 \ub9ce\uc544\uc9c8 \uac83\uc774\ub2e4.<\/p>\n\n\n\n

\ub9cc\uc57d \ucc98\uc74c\ubd80\ud130 \ucf54\ub4dc\uac00 \uc608\uc058\uac8c \uc798 \uc791\uc131\ub418\uc9c0 \uc54a\uc558\ub2e4\uba74 \ubc84\uadf8\ub97c \uc7a1\uac70\ub098 \uc0c8\ub85c\uc6b4 \uae30\ub2a5\uc744 \ucd94\uac00\ud558\ub294 \ub370 \uc0c1\ub2f9\ud55c \ub178\ub825\uc774 \ud544\uc694\ud560 \uc218 \uc788\ub2e4. \uc77c\ubd80 \uadf9\ub2e8\uc801\uc778 \uacbd\uc6b0\uc5d0\ub294 \uae30\uc874\uc5d0 \uac1c\ubc1c\ud588\ub358 \ucf54\ub4dc\ub97c \ubaa8\ub450 \ud3d0\uae30\ud558\uace0 \ucc98\uc74c\ubd80\ud130 \uc0c8\ub85c \uac1c\ubc1c\ud558\ub294 \uacbd\uc6b0\ub3c4 \uc0dd\uae38 \uc218 \uc788\ub2e4. \uc774\ub7f0 \uc77c\uc774 \ubc1c\uc0dd\ud558\uba74 \uc2dc\uac04\ub3c4 \ub0ad\ube44\uc774\uae34 \ud558\uc9c0\ub9cc \ub2f4\ub2f9\ud588\ub358 \uac1c\ubc1c\uc790\ub294 \ube44\ub09c\uc744 \uba74\uce58 \ubabb\ud558\uac70\ub098 \uc2ec\ud55c \uacbd\uc6b0\uc5d0\ub294 \uc5c5\ubb34\uac00 \uc0ac\ub77c\uc9c8 \uc704\ud5d8\uc5d0 \ucc98\ud560 \uc218\ub3c4 \uc788\ub2e4.<\/p>\n\n\n\n

\uc790 \uc774\uc81c\ubd80\ud130 \uc7ac\uc0ac\uc6a9\uc131\uc774 \ub192\uace0 \uc608\uc05c \ucf54\ub4dc\ub97c \uc791\uc131\ud558\uae30 \uc704\ud574 \ub110\ub9ac \ud65c\uc6a9\ud560 \ub9cc\ud55c 8\uac00\uc9c0 \uac00\uc774\ub4dc\ub77c\uc778\uc5d0 \ub300\ud574 \uc18c\uac1c\ud558\uace0\uc790 \ud55c\ub2e4.<\/p>\n\n\n\n

\uc7ac\uc0ac\uc6a9\uc131\uc774 \ub192\uc740 \uc790\ubc14\ucf54\ub4dc\ub97c \uc791\uc131\ud558\uae30 \uc704\ud55c 8\uac00\uc9c0 \uac00\uc774\ub4dc\ub77c\uc778<\/h2>\n\n\n\n
    \n
  1. \ucf54\ub4dc\uc758 \uc791\uc131 \ub8f0(rule)\uc744 \uc815\uc758\ud558\ub77c.<\/li>\n\n\n\n
  2. API\ub97c \ubb38\uc11c\ud654 \ud558\ub77c.<\/li>\n\n\n\n
  3. \ud45c\uc900\uc801\uc778 \ub124\uc774\ubc0d \ucee8\ubca4\uc158(code naming convention)\uc744 \ub530\ub974\ub77c.<\/li>\n\n\n\n
  4. \uc751\uc9d1\ub825(Cohesive)\uc774 \ub192\uc740 \ud074\ub798\uc2a4\uc640 \uba54\uc18c\ub4dc\ub85c \uc791\uc131\ud558\ub77c.<\/li>\n\n\n\n
  5. \ud074\ub798\uc2a4 \ub07c\ub9ac\ub294 \ub418\ub85c\ub85d \ucee4\ud50c\ub9c1(Coupling)\uc744 \ub0ae\ucdb0\ub77c.<\/li>\n\n\n\n
  6. SOLID \uc6d0\uce59 \uc720\uc9c0\ud558\uace0 \uc900\uc218\ud558\ub77c.<\/li>\n\n\n\n
  7. \ub514\uc790\uc778 \ud328\ud134\uc744 \uc801\uc808\ud558\uac8c \uc0ac\uc6a9\ud558\ub77c.<\/li>\n\n\n\n
  8. \ucc98\uc74c\ubd80\ud130 \uc0c8\ub85c \ub9cc\ub4e4\ub824\uace0 \ud558\uc9c0 \ub9c8\uc2dc\ub77c.<\/li>\n<\/ol>\n\n\n\n

    \ucf54\ub4dc \uc791\uc131 \uaddc\uce59\/\ub8f0\uc744 \uc815\uc758\ud558\ub77c<\/strong><\/h3>\n\n\n\n

    \uc7ac\uc0ac\uc6a9\uc774 \ub192\uc740 \ucf54\ub4dc\ub97c \uc791\uc131\ud558\uae30 \uc704\ud55c \uccab\ubc88\uc9f8 \ub2e8\uacc4\ub294 \ud300\ub2e8\uc704\ub85c \ucf54\ub529 \ud45c\uc900\uc744 \uc815\uc758\ud558\ub294 \uac83\uc774\ub2e4. \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74 \uba38\uc9c0\uc54a\uc544 \ucf54\ub4dc\uac00 \ub9e4\uc6b0 \ubcf5\uc7a1\ud558\uace0 \uc9c0\uc800\ubd84\ud574 \uc9c0\ub294 \uac83\uc744 \ubaa9\ub3c4\ud558\uac8c \ub420 \uac83\uc774\ub2e4. \ud300 \ub0b4\uc5d0\uc11c \uc774\ub7f0 \uaddc\uce59\uc774 \uc815\ud574\uc838 \uc788\uc9c0 \uc54a\uc73c\uba74 \ucf54\ub4dc \ub9ac\ubdf0 \ud68c\uc758\ub97c \ud558\ub354\ub77c\ub3c4 \uc758\ubbf8\uc5c6\ub294 \uc2dc\uac04\uc774 \ub420 \uc218 \uc788\ub2e4. \uadf8\ub9ac\uace0 \uac1c\ubc1c\ud574\uc57c \ud560 \ucf54\ub4dc\uac00 \uc788\ub2e4\uba74 \uae30\ubcf8\uc801\uc778 \ucf54\ub4dc \uc124\uacc4\ubc29\ubc95\ub3c4 \uc815\ud574 \ub193\ub294 \uac83\ub3c4 \uc88b\ub2e4.<\/p>\n\n\n\n

    \ucf54\ub529 \ud45c\uc900\uacfc \uc124\uacc4\ubc29\ubc95\uc744 \uc815\ud588\ub2e4\uba74 \ucf54\ub529 \uac00\uc774\ub4dc\ub77c\uc778\uc744 \uc815\ud574\ubcf4\uc790. \ucf54\ub529 \uac00\uc774\ub4dc\ub77c\uc778\uc740 \uc544\ub798\uc640 \uac19\uc774 \ucf54\ub529\ud560 \ub54c\uc758 \uaddc\uce59\uc744 \uc124\uc815\ud55c\ub2e4.<\/p>\n\n\n\n

      \n
    • Code naming<\/li>\n\n\n\n
    • \ud074\ub798\uc2a4\uc640 \ub9e4\uc18c\ub4dc\uc758 \ub77c\uc778 \ubd84\ub7c9(Class and method line quantity)<\/li>\n\n\n\n
    • \uc608\uc678 \ucc98\ub9ac(Exception handling)<\/li>\n\n\n\n
    • \ud328\ud0a4\uc9c0 \uad6c\uc870(Package structure)<\/li>\n\n\n\n
    • \uac1c\ubc1c\uc5b8\uc5b4 \ubc0f \ubc84\uc804(Programming language and version)<\/li>\n\n\n\n
    • \ud504\ub808\uc784\uc6cc\ud06c, \ud234, \ub77c\uc774\ube0c\ub7ec\ub9ac<\/li>\n\n\n\n
    • \ucf54\ub4dc \ud14c\uc2a4\ud2b8 \ud45c\uc900<\/li>\n\n\n\n
    • \ucf54\ub4dc Layer(controller, service, repository, domain, etc.)<\/li>\n<\/ul>\n\n\n\n

      \ucf54\ub529 \uaddc\uce59\uc744 \uc815\ud558\uace0 \ub3d9\uc758\ud588\ub2e4\uba74 \ud300 \uc804\uccb4\uac00 \uc774\ub97c \uc900\uc218\ud558\uae30 \uc704\ud574 \uc11c\ub85c \ub178\ub825\uc744 \ud574\uc57c \ud55c\ub2e4. \ub9cc\uc57d \ud300\uc774 \ub3d9\uc758\ud558\uc9c0 \uc54a\uc558\ub2e4\uba74 \uc791\uc131\ub418\ub294 \ucf54\ub4dc\uac00 \ud45c\uc900\uc744 \uc900\uc218\ud558\uba74\uc11c \uac74\uac15\ud558\uace0 \uc7ac\uc0ac\uc6a9\uc774 \ub192\ub3c4\ub85d \uc720\uc9c0\ub418\uae38 \ubc14\ub77c\ub294 \uac83\uc740 \uc5b4\ubd88\uc131\uc124\uc77c \uac83\uc774\ub2e4.<\/p>\n\n\n\n

      API \ubb38\uc11c\ud654<\/h3>\n\n\n\n

      \uc11c\ube44\uc2a4\ub97c \ub9cc\ub4e4\uace0 \uc774 \uc11c\ube44\uc2a4\uac00 API \ud615\ud0dc\ub85c \ub178\ucd9c\ub420 \ub54c \ub2e4\ub978 \uac1c\ubc1c\uc790\uac00 \uc27d\uac8c \uc774\ud574\ud558\uace0 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub3c4\ub85d \uadf8 API\ub97c \ubb38\uc11c\ud654 \ud574 \ub193\uc544\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n

      API\ub294 \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4 \uad6c\uc870\uc5d0\uc11c \ub9e4\uc6b0 \ud3c9\ubc94\ud558\uac8c \ud65c\uc6a9\ub41c\ub2e4. \ub530\ub77c\uc11c, \ub0b4\uac00 \ub9cc\ub4dc\ub294 \ud504\ub85c\uc81d\ud2b8\uc5d0 \ub300\ud574 \uc798 \ubaa8\ub974\ub294 \ub2e4\ub978\ud300\ub4e4\uc774 API \ubb38\uc11c\ub97c \ubcf4\uace0 \uc774\ud574\ud560 \uc218 \uc788\ub3c4\ub85d \ud574\uc57c \ud55c\ub2e4. \ub9cc\uc57d API \ubb38\uc11c\ud654\uac00 \uc798 \ub418\uc5b4 \uc788\uc9c0 \uc54a\ub2e4\uba74 \uc911\ubcf5 \uac1c\ubc1c\ud558\ub294 \ucf54\ub4dc\uac00 \ub9ce\uc544\uc9c8 \uac83\uc774\ub2e4. \uc0c8\ub85c\uc6b4 \uac1c\ubc1c\uc790\uc758 \uacbd\uc6b0 \uae30\uc874\uc5d0 \uac1c\ubc1c\ub418\uc5b4 \uc788\uc74c\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 \uc0c8\ub85c\uc6b4 API \uba54\uc18c\ub4dc\ub97c \ub9cc\ub4e4 \uac00\ub2a5\uc131\uc774 \ub192\ub2e4\ub294 \uac83\uc744 \uba85\uc2ec\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n

      \ub530\ub77c\uc11c, API\ub97c \ubb38\uc11c\ud654 \ud558\ub294 \uac83\uc740 \ub9e4\uc6b0 \uc911\uc694\ud558\ub2e4. \uc774\uc640 \ub3d9\uc2dc\uc5d0 \uc18c\uc2a4\ucf54\ub4dc \ubb38\uc11c\ud654\ub97c \ub108\ubb34 \ub9ce\uc774 \ud55c\ub2e4\uace0 \ud574\uc11c \uadf8\ub9cc\ud07c \uac00\uce58\uac00 \uc788\ub294 \uac83\uc740 \uc544\ub2c8\ub2e4. API\ub85c \uac00\uce58\uac00 \uc788\uc744\ub9cc\ud55c \ucf54\ub4dc\uc5d0 \ub300\ud574 \uc801\uc808\ud558\uac8c \ubb38\uc11c\ud654\ud558\uba74 \ub41c\ub2e4. \uc608\ub97c \ub4e4\uc5b4, API\ub85c \uc778\ud55c \ube44\uc988\ub2c8\uc2a4 \uc624\ud37c\ub808\uc774\uc158(Business operation), \ud30c\ub77c\ubbf8\ud130, \ub9ac\ud134\uac1d\uccb4 \ub4f1\uc744 \ubb38\uc11c\uc5d0 \ud3ec\ud568\ud558\uba74 \ub41c\ub2e4.<\/p>\n\n\n\n

      \ucf54\ub4dc \ub124\uc774\ubc0d \ucee8\ubca4\uc158 \ud45c\uc900 \uc900\uc218<\/h3>\n\n\n\n

      \uc774\uc0c1\ud55c \uc57d\uc5b4(acronyms)\ubcf4\ub2e4 \ub2e8\uc21c\ud558\uba74\uc11c \uc124\uba85\uc801\uc778 \ucf54\ub4dc\uba85\uc774 \ud6e8\uc52c \ub0ab\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uce5c\uc219\ud558\uc9c0 \uc54a\ub294 \uc57d\uc5b4\ub97c \ubcfc \ub54c\uba74 \uc774 \uc6a9\uc5b4\uac00 \ubb34\uc5c7\uc744 \uc758\ubbf8\ud558\ub294\uc9c0 \uc54c\uc9c0 \ubabb\ud560 \uac83\uc774\ub2e4.<\/p>\n\n\n\n

      \ub530\ub77c\uc11c, Ctr \uc640 \uac19\uc740 \uc57d\uc5b4\ub97c \uc0ac\uc6a9\ud558\uc9c0 \ub9d0\uace0 Customer\ub85c \uc791\uc131\ud558\ub77c\ub294 \uac83\uc774\ub2e4. \uc774\ub807\uac8c \ud558\ub294 \uac83\uc774 \uba85\ud655\ud558\uba74\uc11c\ub3c4 \ub354 \uc758\ubbf8\uac00 \uc788\ub2e4. Ctr \uc57d\uc5b4\ub294 control, contract, customer, \ub4f1\ub4f1\uc5d0 \ub300\ud55c \uc57d\uc5b4\ub85c \uc798 \ubabb \uc778\uc2dd\ub420 \uc218\ub3c4 \uc788\uae30 \ub54c\ubb38\uc774\ub2e4. <\/p>\n\n\n\n

      \ub610\ud55c, \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\ub9cc\uc758 \ub124\uc774\ubc0d \ucee8\ubca4\uc158\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc88b\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc790\ubc14\uc758 \uacbd\uc6b0 JavaBeans \ub124\uc774\ubc0d \ucee8\ubca4\uc158\uc774\ub77c\ub294 \uac8c \uc788\ub2e4. \uc774\ub294 \ub2e8\uc21c\ud558\uba70 \ubaa8\ub4e0 \uc790\ubc14 \uac1c\ubc1c\uc790\ub4e4\uc740 \uc774\ud574\ud558\uace0 \uc788\uc5b4\uc57c \ud55c\ub2e4. \ub2e4\uc74c\uc740 \uc790\ubc14\uc5d0\uc11c \ud074\ub798\uc2a4, \uba54\uc18c\ub4dc, \ubcc0\uc218, \ud328\ud0a4\uc9c0 \uc774\ub984\uc744 \uc9d3\ub294 \ubc29\ubc95\uc774\ub2e4.<\/p>\n\n\n\n

        \n
      • Classes<\/strong>, PascalCase: CustomerContract<\/em><\/li>\n\n\n\n
      • Methods and variables<\/strong>, cameCase: customerContract<\/em><\/li>\n\n\n\n
      • Packages<\/strong>, all lowercase: service<\/em><\/li>\n<\/ul>\n\n\n\n

        \uc751\uc9d1\ub825 \ub192\uc740 \ud074\ub798\uc2a4\uc640 \uba54\uc18c\ub4dc \uc791\uc131<\/h3>\n\n\n\n

        \uc751\uc9d1\ub825\uc774 \ub192\uc740 \ucf54\ub4dc\ub294 \ud55c\uac00\uc9c0 \uc77c(task)\uc744 \ub9e4\uc6b0 \uc798 \uc218\ud589\ud55c\ub2e4. \uc774\ub7f0 \ud074\ub798\uc2a4, \uba54\uc18c\ub4dc\ub97c \uc791\uc131\ud558\ub294 \uac83\uc740 \ube44\ub85d \ub2e8\uc21c\ud55c \uac1c\ub150\uc774\uae34 \ud558\uc9c0\ub9cc \uacbd\ud5d8\uc774 \ub9ce\uc740 \uac1c\ubc1c\uc790\ub4e4\ub3c4 \uc798 \ub530\ub974\uc9c0 \uc54a\ub294 \uacbd\ud5a5\uc774 \uc788\ub2e4. \uc774\ub807\uac8c \ub418\uba74 \ucd08\uac70\ub300 \ub9cc\ub2a5 \ud074\ub798\uc2a4(ultra-responsible classes)\ub97c \uc0dd\uc0b0\ud558\uac8c \ub41c\ub2e4. \uc774 \ub9d0\uc740, \ub108\ubb34 \ub9ce\uc740 \uc77c\uc744 \ud558\ub294 \ud074\ub798\uc2a4\ub97c \ub9cc\ub4e0\ub2e4\ub294 \uac83\uc774\ub2e4. \uc774\ub7f0 \ud074\ub798\uc2a4\ub97c god class\ub77c\uace0 \ubd80\ub974\uae30\ub3c4 \ud55c\ub2e4.<\/p>\n\n\n\n

        \ucf54\ub4dc\uc758 \uc751\uc9d1\ub825\uc744 \ub192\uc774\ub824\uba74, \uac01 \ud074\ub798\uc2a4, \uba54\uc18c\ub4dc\uac00 \ud55c\uac00\uc9c0 \uc77c\uc744 \uc798 \ud558\ub3c4\ub85d \ucf54\ub4dc\ub97c \uc798\uac8c \ucabc\uac1c\ub294 \ubc29\ubc95\uc744 \ud130\ub4dd\ud574\uc57c \ud55c\ub2e4. saveCustomer\ub77c\ub294 \uba54\uc18c\ub4dc\ub97c \uc791\uc131\ud560 \uacbd\uc6b0 \uc774 \uba54\uc18c\ub4dc\ub294 \u201c\uace0\uac1d \uc800\uc7a5\u201d \uc774\ub77c\ub294 \ud558\ub098\uc758 \ub3d9\uc791\ub9cc\uc744 \ud558\ub3c4\ub85d \ub9cc\ub4e4\uc5b4\uc57c \ud55c\ub2e4\ub294 \uac83\uc774\ub2e4. \uc989, \uac19\uc740 \uba54\uc18c\ub4dc\uc5d0\uc11c \uace0\uac1d\uc744 \uc5c5\ub370\uc774\ud2b8\ud558\uac70\ub098 \uc0ad\uc81c\ud558\ub294 \ub3d9\uc791\uc744 \ud574\uc11c\ub294 \uc548\ub41c\ub2e4\ub294 \uac83\uc774\ub2e4.<\/p>\n\n\n\n

        \uc774\uc640 \ube44\uc2b7\ud558\uac8c CustomerService\ub77c\ub294 \ud074\ub798\uc2a4\uac00 \uc788\ub2e4\uba74 \uc5ec\uae30\uc5d0\ub294 Customer\uc640 \uad00\ub828\ub41c \uae30\ub2a5\ub4e4\ub9cc\uc744 \uac00\uc9c0\uace0 \uc788\uc5b4\uc57c \ud55c\ub2e4. \ub9cc\uc57d CustomerService\ud074\ub798\uc2a4\uc5d0 product domain\uc5d0 \ud574\ub2f9\ud558\ub294 \uba54\uc18c\ub4dc\uac00 \uc788\ub2e4\uba74 \uc774 \uba54\uc18c\ub4dc\ub97c ProductService \ud074\ub798\uc2a4\ub85c \uc774\ub3d9\uc2dc\ucf1c\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n

        CustomerService \ud074\ub798\uc2a4\uc5d0 product operation \uad00\ub828 \uba54\uc18c\ub4dc\ub97c \uc9c1\uc811 \ub9cc\ub4e4\uc9c0 \ub9d0\uace0 CustomerService \ub0b4\ubd80\uc5d0 ProductService\ub97c \uc0dd\uc131\ud558\uace0 \uc774 \uac1d\uccb4\ub97c \ud1b5\ud574 \ud544\uc694\ud55c \uba54\uc18c\ub4dc\ub97c \ud638\ucd9c\ud558\ub3c4\ub85d \ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n

        \uc774 \uac1c\ub150\uc744 \uc880 \ub354 \uc798 \uc774\ud574\ud558\uae30 \uc704\ud574 \uba3c\uc800 \uc751\uc9d1\ub825\uc774 \uc57d\ud55c \ud074\ub798\uc2a4 \uc608\uc81c\ub97c \uba3c\uc800 \uc0b4\ud3b4\ubcf4\uc790.<\/p>\n\n\n\n

        public class CustomerPurchaseService {\n\n    public void saveCustomerPurchase(CustomerPurchase customerPurchase) {\n         \/\/ Does operations with customer\n        registerProduct(customerPurchase.getProduct());\n         \/\/ update customer\n         \/\/ delete customer\n    }\n\n    private void registerProduct(Product product) {\n         \/\/ Performs logic for product in the domain of the customer\u2026\n    }\n}<\/code><\/pre>\n\n\n\n
        \uc790, \uadf8\ub7fc \uc774 \ud074\ub798\uc2a4\uc5d0\uc11c \uc774\uc288\uac00 \ub418\ub294 \ubd80\ubd84\uc740 \uc5b4\ub5a4 \uac83\uc77c\uae4c?<\/p>\n\n\n\n
          \n
        • saveCustomerPurchase \uba54\uc18c\ub4dc\ub294 \uc0c1\ud488\uc744 \ub4f1\ub85d\ud560 \ubfd0\ub9cc \uc544\ub2c8\ub77c customer\ub97c \uc218\uc815\ud558\uace0 \uc0ad\uc81c\ub3c4 \ud55c\ub2e4. \uc989 \uc774 \uba54\uc18c\ub4dc\ub294 \ud55c\ubc88\uc5d0 \uc5ec\ub7ec\uac00\uc9c0 \ub3d9\uc791\uc744 \uc218\ud589\ud55c\ub2e4.<\/li>\n\n\n\n
        • registerProduct \uba54\uc18c\ub4dc\ub294 \ucc3e\uae30 \uc5b4\ub824\uc6b8 \uc218 \uc788\ub2e4. \uc774\ub85c \uc778\ud574 \ud544\uc694\ud560 \uacbd\uc6b0 \uac1c\ubc1c\uc790\ub4e4\uc740 \uc774\uc640 \ub3d9\uc77c\ud55c \uba54\uc18c\ub4dc\ub97c \uc911\ubcf5\ud574\uc11c \uac1c\ubc1c\ud560 \uac00\ub2a5\uc131\uc774 \ub192\uc544\uc9c4\ub2e4.<\/li>\n\n\n\n
        • registerProduct \uba54\uc18c\ub4dc\ub294 \ub3c4\uba54\uc778 \uc124\uc815\uc774 \uc798 \ubabb \ub410\ub2e4. CustomerPurchaseService\uc5d0\uc11c\ub294 \uc0c1\ud488(product)\uc744 \ub4f1\ub85d\ud558\uc9c0 \ub9d0\uc544\uc57c \ud55c\ub2e4.<\/li>\n\n\n\n
        • saveCustomerPurchase \uba54\uc18c\ub4dc\ub294 \uc0c1\ud488\uad00\ub828 \uc624\ud37c\ub808\uc774\uc158\uc774 \uc815\uc758\ub418\uc5b4 \uc788\ub294 \uc678\ubd80 \ud074\ub798\uc2a4\ub97c \uc774\uc6a9\ud558\uc9c0 \uc54a\uace0 private \uba54\uc18c\ub4dc\ub97c \ud638\ucd9c\ud558\uace0 \uc788\ub2e4.<\/li>\n<\/ul>\n\n\n\n
          \uc704 \ucf54\ub4dc\uc5d0\uc11c \ubb34\uc5c7\uc774 \uc798 \ubabb \ub410\ub294\uc9c0 \uc5b4\ub290\uc815\ub3c4 \uc778\uc9c0\ud588\uc73c\ub2c8 \uc751\uc9d1\ub825\uc774 \ub192\uc740 \ucf54\ub4dc\ub85c \uc7ac\uc791\uc131 \ud574\ubcf4\uc790. registerProduct \uba54\uc18c\ub4dc\ub97c \ud574\ub2f9 \ub3c4\uba54\uc778(ProductService)\uc73c\ub85c \uc774\ub3d9 \uc2dc\ud0a4\uba74 \ucf54\ub4dc\ub294 \ucc3e\uae30 \uc26c\uc6cc\uc9c0\uba70 \uc7ac\uc0ac\uc6a9\uc131\ub3c4 \ub192\uc544\uc9c8 \uac83\uc774\ub2e4.<\/p>\n\n\n\n
          public class CustomerPurchaseService {\n\n    private ProductService productService;\n\n    public CustomerPurchaseService(ProductService productService) {\n      this.productService = productService;\n    }\n\n    public void saveCustomerPurchase(CustomerPurchase customerPurchase) {\n         \/\/ Does operations with customer\n        productService.registerProduct(customerPurchase.getProduct());\n    }\n\n}\n\npublic class ProductService {\n\n   public void registerProduct(Product product) {\n         \/\/ Performs logic for product in the domain of the customer\u2026\n    }\n}<\/code><\/pre>\n\n\n\n
          saveCustomerPurchase \uba54\uc18c\ub4dc\ub97c \ub9cc\ub4e4\uace0 \uc5ec\uae30\uc5d0\ub294 customer purchase\ub97c \uc800\uc7a5\ud558\ub294 \ud55c \uac00\uc9c0 \uc791\uc5c5\ub9cc\uc744 \uc218\ud589\ud558\ub3c4\ub85d \ud588\ub2e4. \ub610\ud55c registerProduct\uc758 \uc5ed\ud560\uc744 ProductService \ud074\ub798\uc2a4\ub85c \uc774\ub3d9 \uc2dc\ucf30\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \uae30\ub300 \ud588\ub358 \uac83\ucc98\ub7fc \ub450 \ud074\ub798\uc2a4 \ubaa8\ub450 \uc751\uc9d1\ub825\uc774 \ub192\uc544\uc9c4\ub2e4.<\/p>\n\n\n\n
          \ud074\ub798\uc2a4 \uac04\uc758 \ub0ae\uc740 \ucee4\ud50c\ub9c1(Coupling)<\/h3>\n\n\n\n
          \ucee4\ud50c\ub9c1\uc774 \ub192\uc740 \ucf54\ub4dc\ub294 \ub108\ubb34 \ub9ce\uc740 \uc678\ubd80 \uc758\uc874\ub3c4\ub85c \uc778\ud574 \uc720\uc9c0\ubcf4\uc218\ud558\uae30\uac00 \ud798\ub4e4\uc5b4 \uc9c4\ub2e4. \ud074\ub798\uc2a4\ub294 \uc758\uc874\ub3c4\uac00 \ub192\uc73c\uba74 \ub192\uc744 \uc218\ub85d \ucee4\ud50c\ub9c1 \ub610\ud55c \ub192\uc544\uc9c4\ub2e4.<\/p>\n\n\n\n
          \n
          \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uc544\ud0a4\ud14d\ucc98\uc758 \ub514\ucee4\ud50c\ub9c1<\/p>\n\n\n\n
          \uc774 \ub514\ucee4\ud50c\ub9c1 \uac1c\ub150\uc740 \uc18c\ud504\ud2b8 \uc544\ud0a4\ud14d\ucc98 \uc0c1\uc5d0\uc11c\ub3c4 \uc801\uc6a9\ub41c\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4 \uc544\ud0a4\ud14d\ucc98\ub3c4 \uc11c\ube44\uc2a4\ub4e4\uc744 \ub514\ucee4\ud50c\ub9c1 \uc2dc\ud0a4\ub294 \uac83\uc744 \ubaa9\ud45c\ub85c \ud55c\ub2e4. \ud2b9\uc815 \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4\uac00 \ub2e4\ub978 \ub9ce\uc740 \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4\uc640 \uc11c\ub85c \uc5f0\uacb0\uc774 \ub418\uc5b4 \uc788\ub2e4\uba74 \uc774 \uc11c\ube44\uc2a4\ub294 \ucee4\ud50c\ub9c1\uc774 \ub192\ub2e4\ub77c\uace0 \ub9d0\ud560 \uc218 \uc788\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n
          \ucf54\ub4dc \uc7ac\uc0ac\uc6a9\uc744 \ub192\uc774\uae30 \uc704\ud55c \uc88b\uc740 \uc811\uadfc\ubc95\uc740 \uc2dc\uc2a4\ud15c\uacfc \ucf54\ub4dc\uc758 \uc758\uc874\uc131\uc744 \uac00\ub2a5\ud55c \ud55c \ucd5c\uc18c\ud55c\uc73c\ub85c \ub9cc\ub4dc\ub294 \uac83\uc774\ub2e4. \uc11c\ube44\uc2a4\uc640 \ucf54\ub4dc\ub294 \uc11c\ub85c \ud1b5\uc2e0\uc744 \ud574\uc57c \ud558\ubbc0\ub85c \uc5b4\ub290 \uc815\ub3c4\uc758 \ucee4\ud50c\ub9c1\uc740 \ud56d\uc0c1 \uc788\uc744 \uc218\ubc16\uc5d0 \uc5c6\ub2e4. \ud558\uc9c0\ub9cc \ud575\uc2ec\uc740 \uac00\ub2a5\ud55c \ud55c \uc774\ub7f0 \uc11c\ube44\uc2a4\ub4e4\uc744 \ub3c5\ub9bd\uc801\uc73c\ub85c \ub9cc\ub4dc\ub294 \uac83\uc774\ub2e4.<\/p>\n\n\n\n
          \uc544\ub798 \ucf54\ub4dc\ub294 \ucee4\ud50c\ub9c1\uc774 \ub192\uc740 \ud074\ub798\uc2a4\ub97c \uc608\ub85c \ubcf4\uc5ec \uc900\ub2e4.<\/p>\n\n\n\n
          public class CustomerOrderService {\n\n  private ProductService productService;\n  private OrderService orderService;\n  private CustomerPaymentRepository customerPaymentRepository;\n  private CustomerDiscountRepository customerDiscountRepository;\n  private CustomerContractRepository customerContractRepository;\n  private CustomerOrderRepository customerOrderRepository;\n  private CustomerGiftCardRepository customerGiftCardRepository;\n\n  \/\/ Other methods\u2026\n}<\/code><\/pre>\n\n\n\n
          CustomerOrderService\ub294 \ub2e4\ub978 \uc11c\ube44\uc2a4 \ud074\ub798\uc2a4\ub4e4\uacfc \ucee4\ud50c\ub9c1\uc774 \ub192\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\ub2e4. \uc758\uc874\ub3c4\uac00 \ub192\uc73c\uba74 \ud074\ub798\uc2a4\uc758 \ucf54\ub4dc\uac00 \uae38\uc5b4\uc9c0\uac8c \ub420 \uc218\ubc16\uc5d0 \uc5c6\ub2e4. \uc774\ub294 \ucf54\ub4dc\ub97c \ud14c\uc2a4\ud2b8\ud558\uae30 \ud798\ub4e4\uac8c \ud558\uac70\ub098 \uc720\uc9c0\ubcf4\uc218\ub97c \uc5b4\ub835\uac8c \ub9cc\ub4e0\ub2e4. <\/p>\n\n\n\n
          \uc55e\uc11c \uc124\uba85\ud588\ub4ef\uc774, \ud074\ub798\uc2a4\ub97c \ubd84\ub9ac\uc2dc\ucf1c \uc758\uc874\ub3c4\uac00 \ub0ae\uc740 \ud615\ud0dc\ub85c \uc11c\ube44\uc2a4\ub85c \ub9cc\ub4dc\ub294 \uac83\uc774 \uc88b\uc740 \ubc29\ubc95\uc774\ub2e4. CustomerService\ud074\ub798\uc2a4\ub97c \uac1c\ubcc4 \uc11c\ube44\uc2a4\ub85c \ubd84\ub9ac\ud558\uc5ec \ucee4\ud50c\ub9c1\uc744 \ub0ae\ucdb0\ubcf4\uc790.<\/p>\n\n\n\n
          public class CustomerOrderService {\n\n  private OrderService orderService;\n  private CustomerPaymentService customerPaymentService;\n  private CustomerDiscountService customerDiscountService;\n\n  \/\/ Omitted other methods\u2026\n}\n\npublic class CustomerPaymentService {\n\n  private ProductService productService;\n  private CustomerPaymentRepository customerPaymentRepository;\n  private CustomerContractRepository customerContractRepository;\n  \n  \/\/ Omitted other methods\u2026\n}\n\npublic class CustomerDiscountService {\n  private CustomerDiscountRepository customerDiscountRepository;\n  private CustomerGiftCardRepository customerGiftCardRepository;\n\n  \/\/ Omitted other methods\u2026\n}<\/code><\/pre>\n\n\n\n
          \ub9ac\ud329\ud1a0\ub9c1 \ud6c4 CustomerOrderService\uc640 \ub2e4\ub978 \ud074\ub798\uc2a4\ub4e4\uc740 \ub2e8\uc704 \ud14c\uc2a4\ud2b8\uac00 \ud6e8\uc52c \uc218\uc6d4\ud574\uc9c8 \ubfd0\ub9cc \uc544\ub2c8\ub77c \uc720\uc9c0\ubcf4\uc218\ub3c4 \ud3b8\ud574\uc9c4\ub2e4. \ud074\ub798\uc2a4\uac00 \ud2b9\uc815 \uc601\uc5ed\uc5d0 \ud2b9\ud654\ub418\uace0 \uac04\uacb0\ud574\uc9c0\uba74 \uc9c8\uc218\ub85d \uc0c8\ub85c\uc6b4 \uae30\ub2a5\uc744 \uad6c\ud604\ud558\uae30 \uc26c\uc6cc\uc9c0\uba70 \ubc84\uadf8\uac00 \uc788\ub354\ub77c\ub3c4 \uc218\uc815\ud558\uae30\uac00 \ud3b8\ud574\uc9c4\ub2e4.<\/p>\n\n\n\n
          SOLID \uc6d0\uce59 \uc900\uc218<\/h3>\n\n\n\n
          SOLID\ub294 \uac1d\uccb4\uc9c0\ud5a5 \ud504\ub85c\uadf8\ub798\ubc0d\uc5d0\uc11c \ub2e4\uc12f\uac00\uc9c0 \ub514\uc790\uc778 \uc6d0\uce59(Design Principle)\uc744 \ub098\ud0c0\ub0b4\ub294 \uc57d\uc5b4\ub85c, \uc774\ub4e4 \uc6d0\uce59\uc740 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uc720\uc9c0\ubcf4\uc218\ub97c \uc6a9\uc774\ud558\uac8c \ud558\uace0 \uc720\uc5f0\ud558\uba70 \uc27d\uac8c \uc774\ud574\ud560 \uc218 \uc788\ub3c4\ub85d \ud558\ub294 \uac83\uc744 \ubaa9\ud45c\ub85c \ud55c\ub2e4. \uc544\ub798\ub294 \uc774\ub4e4 \uac01\uac01\uc758 \uc6d0\uce59\ub4e4\uc744 \uac04\ub7b5\ud558\uac8c \uc124\uba85\ud55c\ub2e4.         <\/p>\n\n\n\n
            \n
          • Single Responsibility Principle (SRP)<\/strong>: \ud074\ub798\uc2a4\ub294 \ud558\ub098\uc758 \ucc45\uc784(responsibility)\uacfc \ubaa9\uc801(purpose)\uc744 \uc720\uc9c0\ud558\uba74\uc11c \uadf8 \uae30\ub2a5\uc744 \ucea1\uc290\ud654 \uc2dc\ucf1c\uc57c \ud55c\ub2e4. \uc774 \uc6d0\uce59\uc740 \ud074\ub798\uc11c\uc758 \uc751\uc9d1\ub3c4\ub97c \ub192\uc5ec\uc8fc\uace0 \ud55c\uac00\uc9c0 \uc791\uc5c5\uc5d0 \uc9d1\uc911\ud558\ub3c4\ub85d \ud558\uba70 \uad00\ub9ac\ub97c \uc6a9\uc774\ud558\uac8c \ud55c\ub2e4.<\/li>\n\n\n\n
          • Open-Closed Principle (OCP)<\/strong>: \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uc5d4\ud2f0\ud2f0(classes, modules, methods, etc)\ub4e4\uc740 \uae30\ub2a5 \ud655\uc7a5\uc5d0\ub294 \uc5f4\ub824 \uc788\uc9c0\ub9cc \ub0b4\ubd80\uc758 \uc218\uc815\/\ubcc0\uacbd\uc5d0\ub294 \ub2eb\ud600 \uc788\uc5b4\uc57c \ud55c\ub2e4. \ucf54\ub4dc\ub97c \uc124\uacc4\ud560 \ub54c \uc0c8\ub85c\uc6b4 \uae30\ub2a5\uacfc \ub3d9\uc791\uc740 \uae30\uc874 \ucf54\ub4dc\uc758 \uc218\uc815 \uc5c6\uc774 \ucd94\uac00\ud560 \uc218 \uc788\uc5b4\uc57c \ud558\uba70 \ubcc0\uacbd\uc73c\ub85c \uc778\ud574 \ubc1c\uc0dd\ud558\ub294 \uc601\ud5a5\uc740 \ucd5c\uc18c\ud654\ud558\uace0, \ucf54\ub4dc\uc758 \uc7ac\uc0ac\uc6a9\uc131\uc740 \ub192\uc774\ub3c4\ub85d \ud574\uc57c \ud55c\ub2e4.<\/li>\n\n\n\n
          • Liskov Substitution Principle (LSP)<\/strong>: superclass\uc758 \uac1d\uccb4\ub97c subclass \uac1d\uccb4\ub85c \ub300\uccb4 \ud558\ub354\ub77c\ub3c4 \ud504\ub85c\uadf8\ub7a8\uc758 \uc815\uc0c1\uc801 \ub3d9\uc791\uc5d0\ub294 \uc601\ud5a5\uc744 \uc8fc\uc9c0 \uc54a\uc544\uc57c \ud55c\ub2e4. \ub2e4\ub978 \ub9d0\ub85c \ud558\uba74, Base \ud074\ub798\uc2a4\uc758 \uc778\uc2a4\ud134\uc2a4\ub294 \uc0c1\uc18d\ubc1b\uc740 \ud074\ub798\uc2a4\uc758 \uc778\uc2a4\ud134\uc2a4\ub97c \uc774\uc6a9\ud574 \ub300\uccb4\uac00 \uac00\ub2a5\ud574\uc57c \ud558\uba70 \uc774\ub807\uac8c \ud558\ub354\ub77c\ub3c4 \ud504\ub85c\uadf8\ub7a8\uc758 \ub3d9\uc791\uc740 \uc77c\uad00\ub418\uac8c \uc720\uc9c0\ud574\uc57c \ud55c\ub2e4\ub294 \uac83\uc774\ub2e4.<\/li>\n\n\n\n
          • Interface Segregation Principle (ISP)<\/strong>: \ud074\ub77c\uc774\uc5b8\ud2b8\ub294 \uc0ac\uc6a9\ud558\uc9c0 \uc54a\ub294 \uc778\ud130\ud398\uc774\uc2a4\ub4e4\uc5d0 \uc758\uc874\uc801\uc774\uc9c0 \uc54a\ub3c4\ub85d \ud574\uc57c \ud55c\ub2e4. \uc774 \uc6d0\uce59\uc740 \uaddc\ubaa8\uac00 \ud070 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc791\uace0 \uad6c\uccb4\uc801\uc778 \uc778\ud130\ud398\uc774\uc2a4\ub85c \ucabc\uac1c\ub3c4\ub85d \uad8c\uace0\ud55c\ub2e4. \uc774\ub807\uac8c \ud568\uc73c\ub85c\uc368 \ud074\ub77c\uc774\uc5b8\ud2b8\ub294 \uad00\ub828\uc774 \uc788\ub294 \uc778\ud130\ud398\uc774\uc2a4\uc5d0\ub9cc \uc758\uc874\uc801\uc774 \ub418\ub3c4\ub85d \ud560 \uc218 \uc788\ub2e4. \ub610\ud55c \uc774\ub807\uac8c \ud568\uc73c\ub85c\uc368 \ub290\uc2a8\ud55c \ucee4\ud50c\ub9c1(Loosely Coupling)\uc744 \ub192\uc774\uace0 \ubd88\ud544\uc694\ud55c \uc758\uc874\uc131\uc744 \uc81c\uac70\ud560 \uc218 \uc788\ub2e4.<\/li>\n\n\n\n
          • Dependency Inversion Principle (DIP)<\/strong>: \uc0c1\uc704 \ub808\ubca8\uc758 \ubaa8\ub4c8\uc740 \ud558\uc704 \ub808\ubca8\uc758 \ubaa8\ub4c8\uc5d0 \uc758\uc874\uc801\uc774\uba74 \uc548\ub41c\ub2e4. \ub458 \ub2e4 \ubaa8\ub450 \uc81c 3\uc758 \ucd94\uc0c1\ud654(abstraction)\ub97c \ub9cc\ub4e4\uace0 \uc5ec\uae30\uc5d0 \uc758\uc874\uc801\uc774 \ub418\ub3c4\ub85d \ub9cc\ub4e4\uc5b4\uc57c \ud55c\ub2e4. \uc774 \uc6d0\uce59\uc740 \ucd94\uc0c1\ud654(\uc778\ud130\ud398\uc774\uc2a4 \ub610\ub294\ucd94\uc0c1\ud654 \ud074\ub798\uc2a4)\ub97c \ud65c\uc6a9\ud558\uc5ec \uc0c1\uc704 \ub808\ubca8\uc758 \ubaa8\ub4c8\uc744 \ud558\uc704 \ub808\ubca8\uc758 \uc0c1\uc138\ud55c \uad6c\ud604 \ub2e8\uc73c\ub85c\ubd80\ud130 \ubd84\ub9ac \uc2dc\ud0a4\ub3c4\ub85d \ud55c\ub2e4. \uc774\ub294 \ud074\ub798\uc2a4\uac00 \uad6c\uccb4\uc801\uc778 \uad6c\ud604\uccb4\uc5d0 \uc758\uc874\ud558\uae30 \ubcf4\ub2e4 \ucd94\uc0c1\ud654\uc5d0 \uc758\uc874\ud558\ub3c4\ub85d \ub9cc\ub4e4\uc5b4\uc57c \ud55c\ub2e4\ub294 \uac1c\ub150\uc744 \uac15\ud654 \uc2dc\ud0a8\ub2e4. \uc774\ub807\uac8c \ud568\uc73c\ub85c\uc368 \uc2dc\uc2a4\ud15c\uc744 \ub354\uc6b1 \uc720\uc5f0\ud558\uace0 \ud14c\uc2a4\ud2b8\uac00 \uc26c\uc6b0\uba70 \uc720\uc9c0 \ubcf4\uc218\uac00 \uc6a9\uc774\ud558\ub3c4\ub85d \ub9cc\ub4e4\uc5b4\uc900\ub2e4.<\/li>\n<\/ul>\n\n\n\n
            \uc774\uc640 \uac19\uc774 SOLID \uc6d0\uce59\uc744 \uc900\uc218\ud55c\ub2e4\uba74 \uac1c\ubc1c\uc790\ub4e4\uc740 \ub354\uc6b1 \ubaa8\ub4c8\ud654 \ub418\uace0 \uc720\uc9c0 \ubcf4\uc218\uac00 \uc6a9\uc774\ud558\uba70 \ud655\uc7a5 \uac00\ub2a5\uc131\uc774 \ub192\uc740 \ucf54\ub4dc\ub97c \uc791\uc131\ud560 \uc218 \uc788\uc744 \uac83\uc774\ub2e4. \ub610\ud55c, \uc774\ud574\ud558\uae30 \uc27d\uace0, \ud14c\uc2a4\ud2b8\uc640 \uc218\uc815\uc774 \uc6a9\uc774\ud558\uba70 \ub354\uc6b1 \uacac\uace0\ud558\uace0 \ubcc0\ud654\uc5d0 \ub300\ud55c \uc801\uc751\ub825\uc774 \ub192\uc740 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uc2dc\uc2a4\ud15c\uc774 \ub418\ub3c4\ub85d \ucf54\ub4dc \uc791\uc131\uc5d0 \ub3c4\uc6c0\uc744 \uc900\ub2e4.<\/p>\n\n\n\n
            \ub514\uc790\uc778 \ud328\ud134\uc758 \uc801\uc808\ud55c \ud65c\uc6a9<\/h3>\n\n\n\n
            \ub514\uc790\uc778 \ud328\ud134\uc740 \ub2e4\uc591\ud55c \ucf54\ub529 \uc0c1\ud669\uc744 \uacaa\uc73c\uba74\uc11c \uc219\ub828\ub418\uace0 \uacbd\ud5d8\uc774 \ub9ce\uc740 \uac1c\ubc1c\uc790\ub4e4\uc5d0 \uc758\ud574 \ub9cc\ub4e4\uc5b4 \uc84c\ub2e4. \uc801\uc808\ud558\uac8c \uc0ac\uc6a9\ud558\uba74 \ub514\uc790\uc778 \ud328\ud134\uc740 \ucf54\ub4dc\uc758 \uc7ac\uc0ac\uc6a9\uc131\uc744 \ub192\uc5ec\uc900\ub2e4.<\/p>\n\n\n\n
            \ubfd0\ub9cc \uc544\ub2c8\ub77c \ub514\uc790\uc778 \ud328\ud134\uc744 \uc774\ud574\ud558\uace0 \uc788\uc73c\uba74 \ucf54\ub4dc\ub97c \uc77d\uace0 \uc774\ud574\ud558\ub294 \ub2a5\ub825\ub3c4 \ud5a5\uc0c1\uc2dc\ucf1c \uc900\ub2e4. \ub098\uc544\uac00 \ub0b4\ubd80\uc801\uc73c\ub85c \ud65c\uc6a9\ub418\ub294 \ub514\uc790\uc778 \ud328\ud134\uc744 \ubcfc \uc218 \uc788\ub294 \ub2a5\ub825\uc774 \ub41c\ub2e4\uba74 JDK\uc758 \uc18c\uc2a4\ucf54\ub4dc\ub3c4 \uba85\ud655\ud558\uac8c \uc774\ud574\ud560 \uc218 \uc788\uc744 \uac83\uc774\ub2e4.<\/p>\n\n\n\n
            \ub514\uc790\uc778 \ud328\ud134\uc774 \uac15\ub825\ud558\ub2e4 \ud558\ub354\ub77c\ub3c4 \ub9cc\ub2a5\uc774 \ub420 \uc218\ub294 \uc5c6\ub2e4. \ub530\ub77c\uc11c \uc774\ub4e4 \ub514\uc790\uc778 \ud328\ud134\uc744 \ud65c\uc6a9\ud558\ub294 \ub370\ub294 \uc2e0\uc911\uc744 \uae30\ud574\uc57c \ud55c\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub2e8\uc9c0 \uc54c\uace0 \uc788\ub2e4\ub294 \uc774\uc720 \ub9cc\uc73c\ub85c \ub514\uc790\uc778 \ud328\ud134\uc744 \uc801\uc6a9\ud558\ub294 \uac83\uc740 \uc798\ubabb\ub41c \ubc29\ubc95\uc774\ub77c \ud560 \uc218 \uc788\ub2e4. \ub514\uc790\uc778 \ud328\ud134\uc744 \uc798\ubabb\ub41c \uc0c1\ud669\uc5d0 \uc801\uc6a9\ud558\uba74 \ucf54\ub4dc\ub97c \ub354\uc6b1 \ubcf5\uc7a1\ud558\uac8c \ud558\uace0 \uc720\uc9c0 \uad00\ub9ac\ub3c4 \uc5b4\ub835\uac8c \ub9cc\ub4e4 \uc218 \uc788\ub2e4. \uadf8\ub7ec\ub098, \uc0c1\ud669\uc5d0 \ub9de\ub294 \uc720\uc2a4\ucf00\uc774\uc2a4\uc5d0 \ub514\uc790\uc778 \ud328\ud134\uc744 \uc801\uc6a9\ud558\uba74 \ucf54\ub4dc\ub97c \ub354\uc6b1 \uc720\uc5f0\ud558\uace0 \ud655\uc7a5\uc131 \uc788\uac8c \ub9cc\ub4e4\uc5b4 \uc900\ub2e4.<\/p>\n\n\n\n
            \uc544\ub798\ub294 \uac1d\uccb4\uc9c0\ud5a5 \ud504\ub85c\uadf8\ub798\ubc0d\uc5d0\uc11c \ud65c\uc6a9\ub418\ub294 \ub514\uc790\uc778 \ud328\ud134\uc744 \uac04\ub7b5\ud558\uac8c \uc124\uba85\ud55c\ub2e4. \uc790\uc138\ud55c \ub0b4\uc6a9\uc744 \uc774\ud574\ud558\uae30\ub97c \uc6d0\ud55c\ub2e4\uba74 \uac1c\ubcc4 \ud328\ud134\uacfc \uad00\ub828\ub41c \uc778\ud130\ub137 \uc790\ub8cc\ub97c \uac80\uc0c9\ud574\uc11c \ucc38\uace0\ud558\uae30 \ubc14\ub780\ub2e4. <\/p>\n\n\n\n
            \uc0dd\uc131\ud560 \ub54c \ud65c\uc6a9\ud558\ub294 \ud328\ud134(Creational Patterns)<\/h4>\n\n\n\n
              \n
            • Singleton<\/strong>: \ud074\ub798\uc2a4\uc758 \uc778\uc2a4\ud134\uc2a4\uac00 \ud558\ub098\ub9cc \uc0dd\uc131\ub418\ub3c4\ub85d \ud558\uba70 \uc804\uc5ed\uc5d0\uc11c \uc811\uadfc\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc744 \uc81c\uacf5\ud55c\ub2e4.<\/li>\n\n\n\n
            • Factory method<\/strong>: \uac1d\uccb4\ub97c \uc0dd\uc131\ud558\uae30 \uc704\ud55c \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc815\uc758\ud558\uba70 \uc774\ub97c \uc0c1\uc18d\ubc1b\uc740 \ud074\ub798\uc2a4\uac00 \uc5b4\ub5a4 \uac1d\uccb4\ub97c \uc0dd\uc131\ud560\uc9c0 \uacb0\uc815\ud55c\ub2e4.<\/li>\n\n\n\n
            • Abstract factory<\/strong>: \uc5f0\uad00\ub41c \uac1d\uccb4\ub97c \uc0dd\uc131\ud558\uae30 \uc704\ud55c \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc81c\uacf5\ud55c\ub2e4.<\/li>\n\n\n\n
            • Builder<\/strong>: \ud30c\ub77c\ubbf8\ud130\uac00 \ubcf5\uc7a1\ud55c \uac1d\uccb4\ub97c \uc0dd\uc131\ud560 \ub54c \uc815\ud574\uc9c4 \uaddc\uaca9\uc5d0 \uc5bd\ub9e4\uc774\uc9c0 \uc54a\uace0 \ub290\uc2a8\ud55c \ubc29\ubc95\uc73c\ub85c \uac1d\uccb4 \uc0dd\uc131\uc744 \uac00\ub2a5\ud558\uac8c \ud55c\ub2e4.<\/li>\n\n\n\n
            • Prototype<\/strong>: \uae30\uc874\uc5d0 \uc788\ub358 \uac1d\uccb4\ub97c \ubcf5\uc81c\ud574\uc11c \uc0c8\ub85c\uc6b4 \uac1d\uccb4\ub97c \uc0dd\uc131\ud55c\ub2e4.<\/li>\n<\/ul>\n\n\n\n
              \uad6c\uc870\uc801 \ud328\ud134(Structural Patterns)<\/h4>\n\n\n\n
                \n
              • Adapter<\/strong>: \ud2b9\uc815 \ud074\ub798\uc2a4\uc758 \uc778\ud130\ud398\uc774\uc2a4\ub97c \ud074\ub77c\uc774\uc5b8\ud2b8\uac00 \uae30\ub300\ud558\ub294 \ub2e4\ub978 \uc778\ud130\ud398\uc774\uc2a4\ub85c \ubcc0\ud658\ud55c\ub2e4.<\/li>\n\n\n\n
              • Decorator<\/strong>: \ud2b9\uc815 \uac1d\uccb4\uc5d0 \uac00\ub2a5\ud55c \ub3d9\uc791\uc744 \ub3d9\uc801\uc73c\ub85c \ucd94\uac00\ud55c\ub2e4.<\/li>\n\n\n\n
              • Proxy<\/strong>: \ud2b9\uc815 \uac1d\uccb4\uc5d0 \ub300\ud55c \uc811\uadfc\uc744 \uc81c\uc5b4\ud558\uae30 \uc704\ud574 \ub300\ub9ac\uc790 \uc5ed\ud560\uc744 \uc81c\uacf5\ud55c\ub2e4.<\/li>\n\n\n\n
              • Composite<\/strong>: \uadf8\ub8f9\uc73c\ub85c \uad6c\uc131\ub418\ub294 \uc5ec\ub7ec \uac1c\uc758 \uac1d\uccb4\ub97c \ud558\ub098\uc758 \uac1d\uccb4\ub85c \ub2e4\ub8f0 \uc218 \uc788\ub3c4\ub85d \ud55c\ub2e4.<\/li>\n\n\n\n
              • Bridge<\/strong>: \uad6c\ud604\uccb4\ub85c\ubd80\ud130 \ucd94\uc0c1\ud654\ub97c \ubd84\ub9ac\uc2dc\ud0a8\ub2e4.<\/li>\n<\/ul>\n\n\n\n
                \ub3d9\uc791\uacfc \uad00\ub828\ub41c \ud328\ud134(Behavioral Pattern)<\/h4>\n\n\n\n
                  \n
                • Observer<\/strong>: \uac1d\uccb4\ub4e4 \uc0ac\uc774\uc5d0 1:N \uad00\uacc4\ub97c \ud615\uc131\ud558\ub3c4\ub85d \ud55c\ub2e4. \uac1d\uccb4\uc758 \uc0c1\ud0dc\uac00 \ubcc0\uacbd\ub418\uba74 \uad00\uacc4\ub97c \ub9fa\uace0 \uc788\ub294 \ub2e4\ub978 \uac1d\uccb4\ub4e4\uc774 \ubcc0\uacbd\ub0b4\uc6a9\uc744 \uc790\ub3d9\uc73c\ub85c \uc804\ub2ec\ubc1b\uc744 \uc218 \uc788\ub3c4\ub85d \ud55c\ub2e4.<\/li>\n\n\n\n
                • Strategy<\/strong>: \uad00\ub828\ub41c \uc54c\uace0\ub9ac\uc998\uc744 \ucea1\uc290\ud654\ud558\uba70 \ub7f0\ud0c0\uc784\uc5d0 \uc5b4\ub5a4 \uc54c\uace0\ub9ac\uc998\uc744 \ud65c\uc6a9\ud560\uc9c0 \uacb0\uc815\ud558\ub3c4\ub85d \ud55c\ub2e4.<\/li>\n\n\n\n
                • Template<\/strong>: Base\ud074\ub798\uc2a4\uc5d0 \uc54c\uace0\ub9ac\uc998\uc758 \ud15c\ud50c\ub7ab\uc744 \uc815\uc758\ud558\uace0 \ud2b9\uc815 \ubd80\ubd84\uc740 \uc0c1\uc18d\ubc1b\uc740 \ud074\ub798\uc2a4\uac00 \uc815\uc758\ud558\ub3c4\ub85d \ud55c\ub2e4.<\/li>\n\n\n\n
                • Command<\/strong>: Request\ub97c \uac1d\uccb4 \ud615\ud0dc\ub85c \ucea1\uc290\ud654\ud558\uace0 \uc774\ub97c \ud30c\ub9ac\ubbf8\ud130\ub85c \ub118\uaca8 \uc8fc\uba74\uc11c Request\ub97c \uc0dd\uc131\ud560 \uc218 \uc788\ub3c4\ub85d \ud55c\ub2e4.<\/li>\n\n\n\n
                • State<\/strong>: \uac1d\uccb4\uc758 \ub0b4\ubd80 \uc0c1\ud0dc\uac00 \ubcc0\uacbd\ub418\uba74 \ub3d9\uc791\ub3c4 \ubc14\ub00c\ub3c4\ub85d \ud560 \uc218 \uc788\ub2e4.<\/li>\n\n\n\n
                • Iterator<\/strong>: \uc9d1\ud569\uc801\uc73c\ub85c \uad6c\uc131\ub41c \uac1d\uccb4\uc758 \uac01 \uc568\ub9ac\uba3c\ud2b8 \ub0b4\ubd80 \uad6c\uc870\ub97c \ub178\ucd9c\uc2dc\ud0a4\uc9c0 \uc54a\uc73c\uba74\uc11c \uc21c\ucc28\uc801\uc73c\ub85c \uc811\uadfc\ud558\ub294 \ubc29\ubc95\uc744 \uc81c\uacf5\ud55c\ub2e4.<\/li>\n\n\n\n
                • Chain of responsibility: <\/strong>Request\ub97c \uc77c\ub828\uc758 Handler Chain\uc73c\ub85c \ud1b5\uacfc\uc2dc\ud0a4\uba74\uc11c \ud2b9\uc815 Handler\uac00 Request\uac00 \ucc98\ub9ac\ub420 \uc218 \uc788\ub3c4\ub85d \ud55c\ub2e4.<\/li>\n\n\n\n
                • Mediator<\/strong>: \uc5ec\ub7ec \uac1d\uccb4\uac00 \uc11c\ub85c \uc5b4\ub5bb\uac8c \uc5f0\ub3d9\ud574\uc57c \ud558\ub294\uc9c0\ub97c \uac1d\uccb4\ub85c \ucea1\uc290\ud654 \uc2dc\ud0a8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \uc774\ub4e4 \uac1d\uccb4\ub4e4\uac04\uc5d0 Loosely Coupling\uc774 \ub420 \uc218 \uc788\ub3c4\ub85d \ub9cc\ub4e4\uc5b4 \uc900\ub2e4.<\/li>\n\n\n\n
                • Visitor<\/strong>: \ud2b9\uc815 \uac1d\uccb4\uac00 \uc54c\uace0\ub9ac\uc998\uc744 \ud65c\uc6a9\ud560 \uacbd\uc6b0 \uc774 \uc54c\uace0\ub9ac\uc998\uc744 \ubd84\ub9ac\ud574 \ub0b4\uc5b4 \uc81c 3\uc758 visitor\uac1d\uccb4\ub85c \uc774\ub3d9\uc2dc\ud0a8\ub2e4.<\/li>\n<\/ul>\n\n\n\n
                  \uc5ec\uae30 \ub098\uc5f4\ub41c \ub300\uc790\uc778 \ud328\ud134 \ubaa8\ub450\ub97c \uc790\uc138\ud558\uac8c \uc54c\uc544\ub458 \ud544\uc694\uae4c\uc9c0\ub294 \uc5c6\ub2e4. \ud328\ud134\uc774\ub77c\ub294 \uac83\uc774 \uc788\ub2e4\ub294 \uac83\uacfc \uc5b4\ub5a4 \uc0c1\ud669\uc5d0\uc11c \uac01 \ud328\ud134\uc744 \uc801\uc6a9\ud558\ub294\uc9c0 \uc54c\uc544 \ub450\ub294 \uac83\ub9cc\uc73c\ub85c\ub3c4 \ucda9\ubd84\ud558\ub2e4. \uc774\uc815\ub3c4\ub9cc \ud574\ub3c4 \ud504\ub85c\uadf8\ub798\ubc0d\ud560 \ub54c \uc801\uc808\ud55c \ub514\uc790\uc778\ud328\ud134\uc744 \uc120\ud0dd\ud560 \uc218 \uc788\uc744 \uac83\uc774\ub2e4.<\/p>\n\n\n\n
                  \uc0c8\ub85c \ub9cc\ub4e4\uc9c0 \ub9c8\uc2dc\ub77c<\/h3>\n\n\n\n
                  \ub9ce\uc740 \ud68c\uc0ac\ub4e4\uc774 \ud2b9\ubcc4\ud55c \uc774\uc720\uc5c6\uc774 \ud45c\uc900\uc774\ub77c\uace0 \ud558\uba74\uc11c \uc790\uccb4 \ud504\ub808\uc784\uc6cc\ud06c\ub97c \ub9cc\ub4e4\uc5b4 \uc801\uc6a9\ud55c\ub2e4. \uad6c\uae00\uc774\ub098 \ub9c8\uc774\ud06c\ub85c\uc18c\ud504\ud2b8 \uac19\uc774 \uaddc\ubaa8\uac00 \ud070 \ud68c\uc0ac\uac00 \uc544\ub2c8\ub77c\uba74 \ub300\ubd80\ubd80\uc740 \uc790\uccb4\uc801\uc73c\ub85c \ud504\ub808\uc784\uc6cc\ud06c\ub97c \ub9cc\ub4e4 \ud544\uc694\ub294 \uc5c6\ub2e4. \uc911\uc18c\uae30\uc5c5\uc774 \uc790\uccb4 \uc194\ub8e8\uc158\uc744 \ub9cc\ub4e4\uc5b4 \uc774\ub4e4 \ud070 \ud68c\uc0ac\ub4e4\uc774\ub098 \uc624\ud508\uc18c\uc2a4\ub4e4\uacfc \uaca8\ub904\ubcf8\ub2e4\uace0 \ud558\uc9c0\ub9cc \uc774\uae38 \uac00\ub2a5\uc131\uc774 \ub0ae\ub2e4.<\/p>\n\n\n\n
                  \ubd88\ud544\uc694\ud558\uac8c \uc0c8\ub85c \ub9cc\ub4dc\ub294 \uc77c\uc744 \ubc8c\uc774\uc9c0 \ub9d0\uace0 \ud65c\uc6a9 \uac00\ub2a5\ud55c \ud234\uc744 \uc774\uc6a9\ud558\ub294 \uac83\uc774 \ud6e8\uc52c \ub0ab\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \uac1c\ubc1c\uc790\ub4e4\uc758 \ucee4\ub9ac\uc5b4\uc5d0\ub3c4 \ub3c4\uc6c0\uc774  \ub41c\ub2e4. \uc65c\ub0d0\ud558\uba74 \ud68c\uc0ac \ub0b4\ubd80\uc5d0\uc11c \uc0ac\uc6a9\ub418\uc9c0 \ubc16\uc5d0\uc11c\ub294 \uc804\ud600 \uc0ac\uc6a9\ub420 \uac00\ub2a5\uc131\uc774 \uc5c6\ub294 \ud504\ub808\uc784\uc6cc\ud06c\ub97c \ubc30\uc6b8 \ud544\uc694\uac00 \uc5c6\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n\n\n\n
                  \uacb0\ub860…<\/h2>\n\n\n\n
                  \ud6a8\uc728\uc801\uc774\uba74\uc11c \ud5a5\ud6c4\uc5d0\ub3c4 \uc720\uc9c0\ubcf4\uc218\uac00 \uc6a9\uc774\ud55c \uc18c\ud504\ud2b8\uc6e8\uc5b4\uac00 \ub418\ub3c4\ub85d \uc7ac\uc0c1\uc6a9\uc131\uc744 \ub192\uc5ec\uc8fc\ub294 \uc8fc\uc694 \ucf54\ub529 \uc6d0\uce59\ub4e4\uc744 \uc774\ud574\ud558\uace0 \uc801\uc6a9\ud558\ub294 \uac83\uc740 \ub9e4\uc6b0 \uc911\uc694\ud558\ub2e4. \ub9ce\uc740 \uac1c\ubc1c\uc790\ub4e4\uc774 \ubab8\uc18c \ucd94\uc0c1\ud654, \ucea1\uc290\ud654, \uad00\uc2ec\uc601\uc5ed \ubd84\ub9ac(Separation of Concerns), \ud45c\uc900\ud654, \ubb38\uc11c\ud654 \ub4f1\uc744 \uc775\ud78c\ub2e4\uba74 \uc2dc\uac04\uc744 \uc808\uc57d\ud558\uace0 \uc911\ubcf5\uac1c\ubc1c\uc744 \uc904\uc774\uba70 \ucf54\ub4dc\uc758 \ud488\uc9c8 \ub610\ud55c \ub192\uc77c \uc218 \uc788\uc744 \uac83\uc774\ub2e4.<\/p>\n\n\n\n
                  \ub514\uc790\uc778 \ud328\ud134\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub9c8\uc8fc\uce58\ub294 \uc124\uacc4 \uc774\uc288\uc5d0 \ub300\ud574 \uac80\uc99d\ub41c \ud574\uacb0\ucc45\uc744 \uc81c\uacf5\ud558\ubbc0\ub85c \ucf54\ub4dc\uc758 \uc7ac\uc0ac\uc6a9\uc131 \uad00\uc810\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud55c\ub2e4. \ub298 \ud558\ub294 \uc598\uae30\uc774\uc9c0\ub9cc High Cohesion\uacfc Low Coupling\uc740 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ucef4\ud3ec\ub10c\ud2b8\ub4e4\uc758 \uc7ac\uc0ac\uc6a9\uc131\uc744 \ub192\uc784\uacfc \ub3d9\uc2dc\uc5d0 \uc790\uae30 \uc644\uacb0\uc801(Self-contained)\uc774\uba70 \uc11c\ub85c\uac04\uc758 \uc758\uc874\ub3c4\ub97c \ucd5c\uc18c\ud654 \ub418\ub3c4\ub85d \ub9cc\ub4e4\uc5b4 \uc900\ub2e4. \ub610\ud55c SOLID \uc6d0\uce59\uc744 \uc900\uc218\ud558\uba74 \ubaa8\ub4c8\ud654\ub97c \ub192\uc5ec\uc8fc\uace0 \uc27d\uac8c \ud655\uc7a5 \uac00\ub2a5\ud55c \ucf54\ub4dc\uac00 \ub418\ub3c4\ub85d \ud558\uc5ec \ub2e4\ub978 \ud504\ub85c\uc81d\ud2b8\uc640 \uc27d\uac8c \ud1b5\ud569\ub420 \uc218 \uc788\ub3c4\ub85d \ub9cc\ub4e0\ub2e4.<\/p>\n\n\n\n
                  \uc7ac\uc0ac\uc6a9\uac00\ub2a5\ud55c \ucf54\ub4dc\ub97c \uc791\uc131\ud558\uc73c\ub85c\uc368 \uac1c\ubc1c\uc790\ub4e4\uc740 \uac1c\ubc1c \uc0dd\uc0b0\uc131\uc744 \ub192\uc778\ub2e4\ub4e0\uac00 \ub3d9\ub8cc\ub4e4\uacfc\uc758 \ud611\uc5c5\uc744 \uc6d0\ud65c\ud558\uac8c \ud558\uc5ec \uac1c\ubc1c \uae30\uac04 \ub2e8\ucd95\uacfc \uac19\uc740 \ud61c\ud0dd\uc744 \ub204\ub9b4 \uc218 \uc788\ub2e4. \uad81\uadf9\uc801\uc73c\ub85c, \ucf54\ub4dc \uc7ac\uc131\uc6a9\uc131\uc744 \uc704\ud55c \uc8fc\uc694 \uc6d0\uce59\ub4e4\uc740 \uac1c\ubc1c\uc790\ub4e4\ub85c \ud558\uc5ec\uae08 Scalable\ud558\uace0 Adaptable\ud558\uba70 Future-proof\ud55c \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uc2dc\uc2a4\ud15c\uc744 \ub9cc\ub4e4 \uc218 \uc788\ub3c4\ub85d \ud55c\ub2e4. <\/p>\n","protected":false},"excerpt":{"rendered":"
                  \uc7ac\uc0ac\uc6a9\uc131\uc774 \ub192\uace0 \ubcf4\uae30\uc5d0\ub3c4 \uc608\uc05c \ucf54\ub4dc\ub97c \uc791\uc131\ud574\uc57c \ud55c\ub2e4\ub77c\ub294 \uc598\uae30\ub97c \ub9ce\uc774 \ub4e3\uae34 \ud558\uc9c0\ub9cc \uc5b4\ub5bb\uac8c \ud558\uc57c \uc7ac\uc0ac\uc6a9\uc131\uc774 \ub192\uace0 \uc608\uc05c \ucf54\ub4dc\ub97c \uc791\uc131\ud558\ub294 \uac83\uc778\uc9c0 \ub9c9\uc5f0\ud560 \uac83\uc774\ub2e4. \ucd94\uc0c1\uc801\uc774\uae34 \ud558\uc9c0\ub9cc \uc544\ub9c8\ub3c4 \uc77d\uae30 \uc27d\uace0 \uc774\ud574\ud558\uae30 \ud3b8\ud558\uba70 \uc720\uc9c0\ubcf4\uc218\uac00 \uc6a9\uc774\ud55c \ucf54\ub4dc\ub97c \ub9d0\ud558\ub294 \uac83\uc77c \uac83\uc774\ub2e4. \uc774 \uae00\uc5d0\uc11c \uc7ac\uc0ac\uc6a9\uc131\uc774 \ub192\uc740 \ucf54\ub4dc\ub97c \uc791\uc131\ud568\uc5d0 \uc788\uc5b4 \uac1c\ubc1c\uc790\ub4e4\uc774 \uc27d\uac8c \uc2dc\uc791\ud560 \uc218 \uc788\ub294 8\uac00\uc9c0 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc598\uae30\ud574 \ubcf4\uace0\uc790 \ud55c\ub2e4. \uc7ac\uc0ac\uc6a9\uc131\uc774 \ub192\uc740 \ucf54\ub4dc\ub97c \uc791\uc131\ud55c\ub2e4\ub294 \uac83\uc740 \uac1c\ubc1c\uc790\ub4e4\uc5d0\uac8c \ub9e4\uc6b0 \uc911\uc694\ud558\uac8c \uc694\uad6c\ub418\ub294 \uae30\uc220\uc911\uc758 \ud558\ub098\ub77c\uc11c \ub9ce\uc740 \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc774 \ubc18\ub4dc\uc2dc \uc54c\uc544\uc57c \ud558\ub294 \ub355\ubaa9\uc774\ub77c \ud560 \uc218 \uc788\ub2e4. \uadfc\ub798 \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4\uc544\ud0a4\ud14d\ucc98(MSA)\uac00 \ubcf4\ud3b8\ud654 \ub41c \uac1c\ub150\uc73c\ub85c \uc790\ub9ac\uc7a1\uace0 \ub110\ub9ac \uc801\uc6a9\ud558\uace0…<\/p>\n
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