Animation effect using Images in Applet and Thread in Java

Animation effect using Images in Applet and Thread in Java.

Source code:

import java.awt.*;
import java.applet.*;
/*
<applet code=SimpleImage_Animation.class width=400 height=400>
<param name="img1" value="1.png">
<param name="img2" value="2.png">
<param name="img3" value="3.png">
<param name="img4" value="4.png">
</applet>
*/
public class SimpleImage_Animation extends Applet
{
Image img1,img2,img3,img4,imgTmp;
public void init() 
{
img1 = getImage(getDocumentBase(), getParameter("img1"));
img2 = getImage(getDocumentBase(), getParameter("img2"));
img3 = getImage(getDocumentBase(), getParameter("img3"));
img4 = getImage(getDocumentBase(), getParameter("img4"));
imgTmp=img1;
newthread s=new newthread(this);
}

public void paint(Graphics g) 
{
g.drawImage(imgTmp, 0, 0, this);
}
}
//This class is used to create thread: 
class newthread implements Runnable    
{
Thread t;
SimpleImage_Animation obj;
newthread(SimpleImage_Animation obj)
{
      this.obj=obj;
      t=new Thread(this ,"animate");
      t.start();
}
public void run()
{
      try
     {
      for(;;)
     {

          Thread.sleep(700);
        if(obj.imgTmp==obj.img1)
        {
                 obj.imgTmp=obj.img2;
                obj.repaint();
        }
               Thread.sleep(700);
       if(obj.imgTmp==obj.img2)
      {
               obj.imgTmp=obj.img3;
               obj.repaint();
      }
             Thread.sleep(700);
      if(obj.imgTmp==obj.img3)
     {
                 obj.imgTmp=obj.img4;
        obj.repaint();
     }
             Thread.sleep(700);
     if(obj.imgTmp==obj.img4)
    {
             obj.imgTmp=obj.img1;
              obj.repaint();
            }
      }// For complete
} // Try complete
catch(Exception e)
{
System.out.println(e);
}
} // run complete

} // class complete

• Save the file with name SimpleImage_Animation.java

       Before running this file, You must have
       1. png,2.png,4.png,4.png files at the same location where your          java file is stored.They are also shown below.You can modify          as per your wish.

• Complie with: javac SimpleImage_Animation.java
• Run with: appletviewer SimpleImage_Animation.java

Out Put is as following :