draw1.java

该原代码为＜Java编程基础、应用与实例＞的附盘代码

import java.awt.*;
public class Draw1 extends Frame{
  public Draw1(String title){
    super(title);
  }
  public void paint(Graphics g){
    g.drawLine(10,30,50,50);
    g.drawRect(60,30,50,50);
    g.drawRoundRect(120,30,50,50,20,20);
    g.drawOval(10,100,70,50);
    g.drawArc(100,100,50,50,90,180);
    
    int[] x=new int[]{200,240,200,220,240};
    int[] y=new int[]{80,80,120,60,120};
    g.drawPolygon(x,y,5);
  }
  public static void main(String[] args){
    Frame f=new Draw1("档屈 弊府扁");
    f.setSize(300,200);
    f.setVisible(true);
  }
}