draw2.java

《Java编程基础、应用与实例》 源文件下载

import java.awt.*;
public class Draw2 extends Frame{
  public Draw2(String title){
    super(title);
  }
  public void paint(Graphics g){
    g.setColor(Color.red);
    g.fillRect(60,30,50,50);
    g.fillRoundRect(120,30,50,50,20,20);
    g.fillOval(10,100,70,50);
  }
  public static void main(String[] args){
    Frame f=new Draw2("档屈 弊府扁");
    f.setSize(300,200);
    f.setVisible(true);
  }
}