{"id":42730,"date":"2024-11-13T20:48:10","date_gmt":"2024-11-13T20:48:10","guid":{"rendered":"https:\/\/atmokpo.com\/w\/?p=42730"},"modified":"2024-11-26T06:34:38","modified_gmt":"2024-11-26T06:34:38","slug":"1-%ea%b0%9d%ec%b2%b4%ec%a7%80%ed%96%a5-%ed%94%84%eb%a1%9c%ea%b7%b8%eb%9e%98%eb%b0%8d%ec%9d%98-%ed%95%b5%ec%8b%ac-%ec%9b%90%ec%b9%99-%ec%ba%a1%ec%8a%90%ed%99%94-%ec%83%81%ec%86%8d-%eb%8b%a4%ed%98%95","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/42730\/","title":{"rendered":"[\uac1d\uccb4\uc9c0\ud5a5] 1.\uac1d\uccb4\uc9c0\ud5a5 \ud504\ub85c\uadf8\ub798\ubc0d\uc758 \ud575\uc2ec \uc6d0\uce59, \ucea1\uc290\ud654, \uc0c1\uc18d, \ub2e4\ud615\uc131, \ucd94\uc0c1\ud654 \uc6d0\uce59"},"content":{"rendered":"

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\uac1d\uccb4\uc9c0\ud5a5 \ud504\ub85c\uadf8\ub798\ubc0d(OOP)\uc740 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uac1c\ubc1c\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \ud328\ub7ec\ub2e4\uc784\uc73c\ub85c, \ucf54\ub4dc\uc758 \uc7ac\uc0ac\uc6a9\uc131\uacfc \uc720\uc9c0\ubcf4\uc218\uc131\uc744 \ub192\uc774\ub294 \ub370 \uc911\uc810\uc744 \ub461\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 OOP\uc758 \ub124 \uac00\uc9c0 \ud575\uc2ec \uc6d0\uce59\uc778 \ucea1\uc290\ud654, \uc0c1\uc18d, \ub2e4\ud615\uc131, \ucd94\uc0c1\ud654\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<\/header>\n

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1. \ucea1\uc290\ud654 (Encapsulation)<\/h2>\n

\ucea1\uc290\ud654\ub294 \uac1d\uccb4\uc758 \uc0c1\ud0dc(\uc18d\uc131)\ub97c \uc678\ubd80\uc5d0\uc11c \uc9c1\uc811 \uc811\uadfc\ud558\uc9c0 \ubabb\ud558\ub3c4\ub85d \uac10\ucd94\uace0, \ub300\uc2e0 \uacf5\uac1c\ub41c \uba54\uc11c\ub4dc\ub97c \ud1b5\ud574 \uc0c1\ud0dc\ub97c \ubcc0\uacbd\ud558\uac70\ub098 \uc811\uadfc\ud558\ub3c4\ub85d \ud558\ub294 \uc6d0\uce59\uc785\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 \ub0b4\ubd80 \uad6c\ud604\uc744 \ubcc0\uacbd\ud558\ub354\ub77c\ub3c4 \uc678\ubd80\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \uc904\uc77c \uc218 \uc788\uc73c\uba70, \uac1d\uccb4\uc758 \uc77c\uad00\uc131\uc744 \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\npublic class BankAccount\n{\n    private decimal balance;\n\n    public void Deposit(decimal amount)\n    {\n        if (amount > 0)\n        {\n            balance += amount;\n        }\n    }\n\n    public decimal GetBalance()\n    {\n        return balance;\n    }\n}\n<\/code><\/pre>\n
\uc704 \uc608\uc81c\uc5d0\uc11c balance<\/code> \ud544\ub4dc\ub294 private<\/code>\uc73c\ub85c \uc815\uc758\ub418\uc5b4 \uc678\ubd80\uc5d0\uc11c \uc9c1\uc811 \uc811\uadfc\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \ub300\uc2e0 Deposit<\/code>\uacfc GetBalance<\/code> \uba54\uc11c\ub4dc\ub97c \ud1b5\ud574 \uc548\uc804\ud558\uac8c \uc811\uadfc\ud558\uace0 \uc218\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/section>\n
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2. \uc0c1\uc18d (Inheritance)<\/h2>\n
\uc0c1\uc18d\uc740 \ud55c \ud074\ub798\uc2a4\uac00 \ub2e4\ub978 \ud074\ub798\uc2a4\uc758 \uc18d\uc131\uacfc \uba54\uc11c\ub4dc\ub97c \ubb3c\ub824\ubc1b\uc744 \uc218 \uc788\ub294 \uae30\ub2a5\uc785\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ucf54\ub4dc\uc758 \uc911\ubcf5\uc744 \uc904\uc774\uace0, \uacc4\uce35\uc801\uc778 \uad00\uacc4\ub97c \ud45c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc790\uc2dd \ud074\ub798\uc2a4\ub294 \ubd80\ubaa8 \ud074\ub798\uc2a4\uc758 \ubaa8\ub4e0 \uae30\ub2a5\uc744 \uc0c1\uc18d\ubc1b\uace0, \ud544\uc694\uc5d0 \ub530\ub77c \uc774\ub97c \uc624\ubc84\ub77c\uc774\ub4dc(\uc7ac\uc815\uc758)\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\npublic class Animal\n{\n    public void Eat()\n    {\n        Console.WriteLine(\"Animal is eating\");\n    }\n}\n\npublic class Dog : Animal\n{\n    public void Bark()\n    {\n        Console.WriteLine(\"Dog is barking\");\n    }\n}\n<\/code><\/pre>\n
\uc774 \uc608\uc81c\uc5d0\uc11c Dog<\/code> \ud074\ub798\uc2a4\ub294 Animal<\/code> \ud074\ub798\uc2a4\ub97c \uc0c1\uc18d\ubc1b\uc544 Eat<\/code> \uba54\uc11c\ub4dc\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ucd94\uac00\ub85c Bark<\/code> \uba54\uc11c\ub4dc\ub97c \uc815\uc758\ud558\uc5ec \uac1c\uc758 \uace0\uc720\ud55c \ud589\ub3d9\uc744 \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/section>\n
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3. \ub2e4\ud615\uc131 (Polymorphism)<\/h2>\n
\ub2e4\ud615\uc131\uc740 \ud558\ub098\uc758 \uba54\uc11c\ub4dc\ub098 \uc18d\uc131\uc774 \uc5ec\ub7ec \ud615\ud0dc\ub97c \uac00\uc9c8 \uc218 \uc788\ub294 \ub2a5\ub825\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. OOP\uc5d0\uc11c\ub294 \uc8fc\ub85c \uba54\uc11c\ub4dc \uc624\ubc84\ub77c\uc774\ub529\uacfc \uba54\uc11c\ub4dc \uc624\ubc84\ub85c\ub529\uc744 \ud1b5\ud574 \ub2e4\ud615\uc131\uc744 \uad6c\ud604\ud569\ub2c8\ub2e4. \ub2e4\ud615\uc131\uc744 \ud1b5\ud574 \ucf54\ub4dc\ub294 \ub354 \uc720\uc5f0\ud574\uc9c0\uace0, \ub2e4\uc591\ud55c \uac1d\uccb4\ub97c \ub3d9\uc77c\ud55c \uc778\ud130\ud398\uc774\uc2a4\ub85c \ub2e4\ub8f0 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\npublic class Shape\n{\n    public virtual void Draw()\n    {\n        Console.WriteLine(\"Drawing a shape\");\n    }\n}\n\npublic class Circle : Shape\n{\n    public override void Draw()\n    {\n        Console.WriteLine(\"Drawing a circle\");\n    }\n}\n\npublic class Square : Shape\n{\n    public override void Draw()\n    {\n        Console.WriteLine(\"Drawing a square\");\n    }\n}\n<\/code><\/pre>\n
\uc704\uc758 \uc608\uc81c\uc5d0\uc11c Shape<\/code> \ud074\ub798\uc2a4\ub294 \uae30\ubcf8\uc801\uc778 Draw<\/code> \uba54\uc11c\ub4dc\ub97c \uc815\uc758\ud558\uace0, Circle<\/code>\uacfc Square<\/code> \ud074\ub798\uc2a4\ub294 \uc774\ub97c \uc624\ubc84\ub77c\uc774\ub4dc\ud558\uc5ec \uc11c\ub85c \ub2e4\ub978 \uad6c\ud604\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ub2e4\uc74c\ucc98\ub7fc \ub2e4\ud615\uc131\uc744 \ud65c\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n
\npublic void DrawShape(Shape shape)\n{\n    shape.Draw();\n}\n\n\/\/ \uc0ac\uc6a9 \uc608\nDrawShape(new Circle());\nDrawShape(new Square());\n<\/code><\/pre>\n<\/section>\n
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4. \ucd94\uc0c1\ud654 (Abstraction)<\/h2>\n
\ucd94\uc0c1\ud654\ub294 \ubcf5\uc7a1\ud55c \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc911\uc694\ud558\uc9c0 \uc54a\uac70\ub098 \ubd88\ud544\uc694\ud55c \uc138\ubd80 \uc0ac\ud56d\uc744 \uc228\uae30\uace0, \uc624\ud788\ub824 \uc911\uc694\ud55c \uac1c\ub150\uc774\ub098 \uae30\ub2a5\uc5d0 \ucd08\uc810\uc744 \ub9de\ucd94\ub294 \uacfc\uc815\uc785\ub2c8\ub2e4. OOP\uc5d0\uc11c\ub294 \ucd94\uc0c1 \ud074\ub798\uc2a4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc77c\ubd80 \uba54\uc11c\ub4dc\ub294 \uc790\uc2dd \ud074\ub798\uc2a4\uc5d0\uc11c \uad6c\ud604\ud558\ub3c4\ub85d \uac15\uc81c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\npublic abstract class Vehicle\n{\n    public abstract void Drive();\n}\n\npublic class Car : Vehicle\n{\n    public override void Drive()\n    {\n        Console.WriteLine(\"Driving a car\");\n    }\n}\n<\/code><\/pre>\n
\uc704\uc758 \uc608\uc81c\uc5d0\uc11c Vehicle<\/code> \ud074\ub798\uc2a4\ub294 \ucd94\uc0c1 \ud074\ub798\uc2a4\ub85c, Drive<\/code> \uba54\uc11c\ub4dc\ub294 \uad6c\ud604\ub418\uc9c0 \uc54a\uc558\uc2b5\ub2c8\ub2e4. Car<\/code> \ud074\ub798\uc2a4\uac00 \uc774\ub97c \uad6c\ud604\ud558\uc5ec \uad6c\uccb4\uc801\uc778 \ud589\ub3d9\uc744 \uc815\uc758\ud569\ub2c8\ub2e4.<\/p>\n<\/section>\n