\ucd1d 5\uac1c\uc758 \ud074\ub798\uc2a4\uac00 \uc874\uc7ac\ud558\ub294\ub370 \uba3c\uc800 \uac00\uc7a5 \uac04\ub2e8\ud55c Coordinate \ud074\ub798\uc2a4\ub97c \uc815\uc758\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n
var Coordinate = Class({\r\n name: \"Coordinate\",\r\n construct: function(x, y) {\r\n this._x = x;\r\n this._y = y;\r\n },\r\n methods: {\r\n getX: function() {\r\n return this._x;\r\n },\r\n getY: function() {\r\n return this._y;\r\n },\r\n toString: function() {\r\n return \"(\" + this._x + \", \" + this._y + \")\";\r\n }\r\n }\r\n});<\/pre>\n\uc55e\uc11c \uc5b8\uae09\ud588\ub4ef\uc774 \uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8\uc5d0\uc11c \ud074\ub798\uc2a4\uc758 \uc815\uc758\ub294 \uac1c\ubc1c\uc790 \uc2a4\uc2a4\ub85c\uc5d0 \ub300\ud55c \uc57d\uc18d\uc774 \ud544\uc694\ud558\ub2e4\uace0 \ud558\uc600\uc2b5\ub2c8\ub2e4. \uadf8 \uc57d\uc18d\uc5d0 \ud574\ub2f9\ud558\ub294 \ubd80\ubd84\uc774 \ubc14\ub85c 4,5\ubc88 \ucf54\ub4dc\uc5d0 \uc788\ub294 _x, _y \ubcc0\uc218\uc785\ub2c8\ub2e4. \ubcc0\uc218\uba85 \uc55e\uc5d0 \ubc11\uc904(_)\uc744 \ud558\uc600\uc74c\uc73c\ub85c \ud574\uc11c \uc774 \ubcc0\uc218\ub294 private \ubcc0\uc218\ub77c\ub294 \uc57d\uc18d\uc744 \uc815\ud55c \uac83\uc785\ub2c8\ub2e4. \uac1c\ubc1c\uc790 \uc2a4\uc2a4\ub85c\uc758 \uc57d\uc18d\uc774\ubbc0\ub85c \uc774 \uc57d\uc18d\uc744 \uae7c\ub2e4\uace0 \ud558\uc5ec\ub3c4 \uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8\ub294 \uc5b4\ub5a4\ud55c \uc624\ub958\ub97c \uc81c\uacf5\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ubb3c\ub860 \uc774\ub7ec\ud55c \uc57d\uc18d\uc5d0 \ub300\ud574\uc11c \uacbd\uace0\ub97c \uc81c\uacf5\ud558\ub3c4\ub85d \ud560 \uc218 \uc788\uc73c\ub098 \uadf8\ub807\uac8c \ub418\uba74 \ud074\ub798\uc2a4 \uc815\uc758 API\uac00 \ub354\uc6b1 \ubcf5\uc7a1\ud574\uc9c0\uac8c \ub420 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub9ac\uace0 7\ubc88\uc758 methods \uac1d\uccb4\uc5d0 \ud544\uc694\ud55c \ub9e4\uc11c\ub4dc\ub97c \ucd94\uac00\ud558\uc600\uc2b5\ub2c8\ub2e4.
\uc774\uc81c \ub2e4\uc74c\uc740 \ucd94\uc0c1 \ud074\ub798\uc2a4\uc778 Shape \ud074\ub798\uc2a4\uc5d0 \ub300\ud55c \ucf54\ub4dc\uc785\ub2c8\ub2e4.<\/p>\n
var aShape = Class({\r\n name: \"aShape\",\r\n methods: { \r\n draw: function() { throw \"abstract method\"; }\r\n }\r\n});<\/pre>\n\ucf54\ub4dc\ub97c \uc0b4\ud3b4\ubcf4\uba74, 4\ubc88\uc5d0 draw\ub77c\ub294 \ucd94\uc0c1 \ub9e4\uc11c\ub4dc\ub97c \uc81c\uacf5\ud558\uc600\uc2b5\ub2c8\ub2e4. draw \ub9e4\uc11c\ub4dc \uc5ed\uc2dc \ucd94\uc0c1 \ub9e4\uc11c\ub4dc\ub2e4\ub77c\ub294 \uc57d\uc18d\uc774\uc9c0 \uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8 \uc5b8\uc5b4 \ucc28\uc6d0\uc5d0\uc11c \ucd94\uc0c1 \ub9e4\uc11c\ub4dc\ub85c \uac15\uc81c\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub300\uc2e0 \uc774 \ub9e4\uc11c\ub4dc\ub97c \ud638\ucd9c\ud558\uac8c \ub418\uba74 \uc608\uc678\ub97c \ubc1c\uc0dd\ud558\ub3c4\ub85d \ud558\uc600\uc2b5\ub2c8\ub2e4.
\ub2e4\uc74c\uc73c\ub85c \uc704\uc758 \ucd94\uc0c1\ud074\ub798\uc2a4\uc778 Shape\ub97c \uad6c\ud604\ud558\ub294 Rectangle\uc640 Circle \ud074\ub798\uc2a4\uc5d0 \ub300\ud55c \ucf54\ub4dc\ub97c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n
var Rectangle = Class({\r\n name: \"Rectangle\",\r\n construct: function(w, h) {\r\n this._width = w;\r\n this._height = h;\r\n },\r\n methods: { \r\n draw: function() { \r\n alert(\"draw Rectangle\");\r\n },\r\n getWidth: function() {\r\n return this._width;\r\n }, \r\n getHeight: function() {\r\n return this._height;\r\n }\r\n },\r\n requires: [aShape]\r\n});\r\n\r\nvar Circle = Class({\r\n name: \"Circle\",\r\n construct: function(x, y, r) {\r\n this._x = x;\r\n this._y = y;\r\n this._r = r;\r\n },\r\n methods: {\r\n draw: function() {\r\n alert(\"draw Circle\");\r\n },\r\n getCenter: function() {\r\n return new Coordinate(this._x, this._y);\r\n },\r\n getRadius: function() {\r\n return this._r;\r\n }\r\n },\r\n requires: [aShape] \r\n});<\/pre>\n\ub3d9\uc2dc\uc5d0 Rectangle\uc640 Circle \ud074\ub798\uc2a4\uc5d0 \ub300\ud55c \ucf54\ub4dc\ub97c \ubcf4\uc774\ub294 \uc774\uc720\ub294 \uc774 \ub450\uac1c\uac00 \uc11c\ub85c \ub3d9\uc77c\ud55c \uad6c\uc870\ub97c \uac16\uace0 \uc788\uc74c\uc744 \uac15\uc870\ud558\uae30 \uc704\ud568\uc785\ub2c8\ub2e4. \uc774 \ub450 \ud074\ub798\uc2a4\ub294 Shape\uc758 \ucd94\uc0c1 \ub9e4\uc11c\ub4dc\uc778 draw\ub97c \ubd84\uba85\ud788 \uad6c\ud604\ud558\uace0 \uc788\uc73c\uba70 \uac01\uae30 \uc790\uc2e0\uc5d0\uac8c \ub9de\ub294 \ub9e4\uc11c\ub4dc\ub97c \ucd94\uac00\uc801\uc73c\ub85c \uc815\uc758\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc5ec\uae30\uc11c \ucd94\uc0c1\ub9e4\uc11c\ub4dc\ub97c \uad6c\ud604\ud558\uace0 \uc788\ub294\uc9c0\uc5d0 \ub300\ud55c \uac80\uc0ac\ub294 18\ubc88\uacfc 39\ubc88\uc758 \ucf54\ub4dc\uc5d0\uc11c\ucc98\ub7fc requires \uc18d\uc131\uc744 \ud1b5\ud574 \uac80\uc0ac\ub97c \ud574\uc8fc\uac8c \ub429\ub2c8\ub2e4. \ub9cc\uc57d \uc774 requires \uc18d\uc131\uc744 \ud1b5\ud574 \ucd94\uc0c1 \ub9e4\uc11c\ub4dc\ub97c \uad6c\ud604\ud558\uc9c0 \uc54a\uc558\uc744 \uacbd\uc6b0 \uc608\uc678\ub97c \uce5c\uc808\ud558\uac8c \uc608\uc678\ub97c \ubc1c\uc0dd\ud574 \uc8fc\ub3c4\ub85d \ud074\ub798\uc2a4 \uc815\uc758 API\ub97c \uad6c\ud604\ud558\uc600\uc2b5\ub2c8\ub2e4.<\/P><\/p>\n","protected":false},"excerpt":{"rendered":"
\ucd1d 5\uac1c\uc758 \ud074\ub798\uc2a4\uac00 \uc874\uc7ac\ud558\ub294\ub370 \uba3c\uc800 \uac00\uc7a5 \uac04\ub2e8\ud55c Coordinate \ud074\ub798\uc2a4\ub97c \uc815\uc758\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. var Coordinate = Class({ name: “Coordinate”, construct: function(x, y) { this._x = x; this._y = y; }, methods: { getX: function() { return this._x; }, getY: function() { return this._y; }, toString: function() { return “(” + this._x + “, ” + this._y … <\/p>\n