把画线改成画图

[ruanfei110]

把这个程序改成一个画图程序
import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
public class DrawL extends Applet implements MouseListener,MouseMotionListener{
int x1,y1,x2,y2;
public void init(){
addMouseListener(this);
addMouseMotionListener(this);
}
public void paint(Graphics g){
g.drawLine(x1,y1,x2,y2);
}
public void mousePressed(MouseEvent e){

}
public void mouseClicked(MouseEvent e){x1=e.getX();
y1=e.getY();}
public void mouseEntered(MouseEvent e){}
public void mouseExited(MouseEvent e){}
public void mouseReleased(MouseEvent e){}
public void mouseDragged(MouseEvent e){
x2=e.getX();
y2=e.getY();
repaint();
}
public void mouseMoved(MouseEvent e){}


}