shapetest.java

关于java面向对象系统分析方面的课件

public class ShapeTest {

    public static void main(String[] args) {
        Shape shape = new Shape();
        shape.draw();
        Shape triangle = new Triangle();
        triangle.draw();
        Shape rectangle = new Rectangle();
        rectangle.draw();
        Shape pentagon = new Pentagon();
        pentagon.draw();
    }
}