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12 lines
401 B
12 lines
401 B
public class ShapeUtil {
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public static void printArea(Shape shape) {
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if (shape == null) {
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System.out.println("错误：图形对象为空");
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return;
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}
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System.out.println("图形类型：" + shape.getShapeName());
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System.out.println("面积：" + shape.getArea());
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System.out.println("------------------------");
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}
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}
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