Java Applet Program to Draw a Car

import java.applet.*;
import java.awt.*;
import java.awt.event.*;
public class Car extends Applet implements ActionListener
{
int x, y, z;
int t1,t2;
Button b1, b2;
String msg=" ";
void slep()
{
try
{
Thread.sleep(100);
}
catch(Exception ex)
{
}
}
public void init()
{
t1=0;
t2=1;
x=20;
y=60;
setLayout(new FlowLayout(FlowLayout.CENTER));
Label l=new Label("webeduclick");
b1=new Button("Forward");
add(b1);
b2=new Button("Stop");
add(b2);
b1.addActionListener(this);
b2.addActionListener(this);
}
public void start()
{
}
public void actionPerformed(ActionEvent e)
{
String s=e.getActionCommand();
if(s.equals("Forward"))
{
msg="Forward";
repaint();
}
else if(s.equals("Stop"))
{
msg=" ";
repaint();
}
}
public void paint(Graphics g)
{
setBackground(Color.black);
z=getWidth();
Color c1=new Color(20,160,200);
Color c2=new Color(200,60,200);
g.setColor(c1);
g.drawLine(0,y+75,z,y+75);
g.setColor(Color.red);
g.fillRoundRect(x,y+20,100,40,5,5);
g.fillArc(x+90,y+20,20,40,270,180);
g.setColor(Color.BLUE);
g.fillRoundRect(x+10,y,70,25,10,10);
g.setColor(Color.white);
g.fillRect(x+20,y+5,20,25);
g.fillRect(x+50,y+5,20,25);
g.setColor(Color.black);
g.fillRoundRect(x+55,y+10,10,20,10,10);
g.fillOval(x+10,y+50,25,25);
g.fillOval(x+60,y+50,25,25);
g.setColor(Color.white);
g.fillOval(x+15,y+55,10,10);
g.fillOval(x+65,y+55,10,10);
x=x+10;
slep();
if(msg.equals("Forward"))
{
if(x+120<z)
{
x=x+1;
showStatus("Press Forward for Starting Car");
repaint();
}
}
}
}

Output: