package w5.jichu;

class Shape {
    public void draw() {
        System.out.println("绘制图形");
    }
}


class Circle extends Shape {
    @Override
    public void draw() {
        System.out.println("绘制圆形");
    }
}

class Rectangle extends Shape {
    @Override
    public void draw() {
        System.out.println("绘制矩形");
    }
}