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18 lines
521 B
18 lines
521 B
public class Test {
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public static void main(String[] args) {
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// 创建不同图形对象
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Shape circle = new Circle(3);
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Shape rect = new Rectangle(4, 5);
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Shape triangle = new Triangle(3, 4, 5);
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// 统一调用工具类打印面积
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System.out.println("圆形：");
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ShapeUtil.printArea(circle);
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System.out.println("矩形：");
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ShapeUtil.printArea(rect);
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System.out.println("三角形：");
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ShapeUtil.printArea(triangle);
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}
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}
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