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[CHORE] chapter 6-2 정답 #107

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[CHORE] chapter 6-2 정답 #107

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sung-silver
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정답

if (shape instanceof Square) {
    /* 구현하세요 */
    Square square = (Square)shape;
    return square.side * square.topLeft;
}
else if (shape instanceof Rectangle) {
    /* 구현하세요 */
    Rectangle rectagle = (Rectangle)shape;
    return rectagle.height * rectagle.width;
}
else if (shape instanceof Circle) {
    /* 구현하세요 */
    Circle cirle = (Circle)circle;
    return circle.radius*circle.radius*PI;
}

@sung-silver sung-silver self-assigned this Oct 23, 2024
}
else if (shape instanceof Circle) {
/* 구현하세요 */
Circle cirle = (Circle)circle;
return circle.radius*circle.radius*PI;
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정답입니다! 하지만 여기는 띄어쓰기가 안됐어요! 포맷팅

@@ -19,12 +19,18 @@ public class Geometry {
public double area(Object shape) throws NoSuchShapeException {
if (shape instanceof Square) {
/* 구현하세요 */
Square square = (Square)shape;
return square.side * square.topLeft;
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topLeft는 좌측 상단 좌표라고 생각해서 저는 아래처럼 작성했어요!

Suggested change
return square.side * square.topLeft;
return square.side * square.side;

}
else if (shape instanceof Circle) {
/* 구현하세요 */
Circle cirle = (Circle)circle;
return circle.radius*circle.radius*PI;
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여기는 수식이 복잡하지 않아서 operator와 operand 사이를 붙여쓰지 않아도 될 것 같아요 :)

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3 participants