public class Test {
    public static void drawShape(Shape s) {
        s.draw();
    }

    public static void main(String[] args) {
        // 创建不同的形状对象
        Shape circle = new Circle();
        Shape rectangle = new Rectangle();

        // 测试drawShape方法
        System.out.println("测试绘制圆形：");
        drawShape(circle);

        System.out.println("测试绘制矩形：");
        drawShape(rectangle);
    }
}