// Moving Vehicles Swing
import java.awt.*;
import javax.swing.*;
public class demo extends JFrame
{
JFrame f;
JPanel p;
public demo()
{
f=new JFrame();
p=new JPanel()
{
int x=0;
int y=100;
int w=250;
int h=140;
int w1=60;
int h1=60;
int w2=60;
int h2=60;
int x1=40;
int y1=200;
int x2=140;
int y2=200;
int flag=10;
int flag1=10;
int flag2=10;
int max_x=1300;
int max_y=500;
public void paint(Graphics g)
{
super.paint(g);
g.setColor(Color.ORANGE);
g.fillRect(x,y,w,h);
g.setColor(Color.BLACK);
g.fillOval(x1,y1,w1,h1);
g.fillOval(x2,y2,w2,h2);
if(x+w > max_x || x1+w1 > max_x || x2+w2 > max_x || x<0 || x1<0 || x2<0)
{
flag=-flag;
flag1=-flag1;
flag2=-flag2;
}
x=x+flag;
x1=x1+flag1;
x2=x2+flag2;
try
{
Thread.sleep(100);
}
catch(Exception e)
{
}
repaint();
}
};
f.add(p);
f.setDefaultCloseOperation(f.EXIT_ON_CLOSE);
f.setVisible(true);
f.setSize(1300,500);
}
public static void main(String args[])
{
new demo();
}
}
