example6_2.java

书中的例题

/*  笑脸程序  */
import java.awt.*;
import java.awt.event.*;

class  Example6_2 extends Frame
{
 private class WindowCloser extends WindowAdapter
 {  public void windowClosing(WindowEvent we)
	   {System.exit(0);}	    
  }
 public Example6_2()
  { super("笑脸");
    setSize(400,400);show();
	addWindowListener(new WindowCloser());
	}
	
 public void paint(Graphics g)
 {
   g.setColor(Color.yellow);
   g.fillOval(35,30,210,210);
   g.setColor(Color.black);
   g.fillArc(70,70,150,150,180,180);
   g.setColor(Color.yellow);
   g.fillArc(70,75,150,130,180,180);
   g.setColor(Color.black);
   g.fillOval(80,100,30,30);
   g.fillOval(180,100,30,30);
	}
  public static void main(String args[])
	{  new Example6_2();}
}