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24 lines
578 B
24 lines
578 B
package w5基础版;
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// 测试类
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public class TestShape {
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public static void main(String[] args) {
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// 1. 创建对象
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Shape circle = new Circle();
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Shape rectangle = new Rectangle();
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// 2. 调用统一绘制方法
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drawShape(circle);
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drawShape(rectangle);
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// 3. 直接调用
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System.out.println("\n=== 直接调用 ===");
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circle.draw();
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rectangle.draw();
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}
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// 核心方法：接收父类引用，实现多态调用
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public static void drawShape(Shape s) {
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s.draw();
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}
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}
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