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18 lines
498 B
18 lines
498 B
public class ShapeTest {
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public static void main(String[] args) {
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// 创建各个图形对象
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Shape c = new Circle(5);
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Shape r = new Rectangle(4,6);
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Shape t = new Triangle(3,4);
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//统一调用工具打印面积
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System.out.print("圆形：");
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ShapeUtil.printArea(c);
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System.out.print("矩形：");
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ShapeUtil.printArea(r);
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System.out.print("三角形：");
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ShapeUtil.printArea(t);
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}
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}
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