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21 lines
532 B
21 lines
532 B
// 文件名：Main.java
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public class Main {
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public static void main(String[] args) {
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// 创建具体图形对象
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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, 8);
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// 使用工具类统一处理
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ShapeUtil util = new ShapeUtil();
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System.out.print("圆形 -> ");
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util.printArea(c);
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System.out.print("矩形 -> ");
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util.printArea(r);
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System.out.print("三角形 -> ");
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util.printArea(t);
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}
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}
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