square.java

用java画圆 用这个程序可以实现自动画图。

/*
 * Created on 2005-10-9
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package polymorphism;

/**
 * @author Administrator
 * 
 * TODO To change the template for this generated type comment go to Window -
 * Preferences - Java - Code Style - Code Templates
 */
public class Square implements Shape{
	public void draw() {
		System.out.println("Square.draw()");
	}

	public void erase() {
		System.out.println("Square.erase()");
	}
}