package w5;

public class Main {
    public static void main(String[] args) {
        // 创建图形对象
        Circle circle = new Circle();
        Rectangle rectangle = new Rectangle();

        // 调用统一接口方法
        System.out.println("=== 开始绘图 ===");
        drawShape(circle);
        drawShape(rectangle);
    }

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