Simple Random Color Program using Applets in JAVA

import java.awt.*;
import java.applet.*;
import java.util.*;

public class abc extends Applet implements Runnable
{
    Thread t;
    Button btn;
    Checkbox cb, cb1;
    CheckboxGroup cbg;
    TextField tf = new TextField("Ankit",30);
    public void run()
    {
        try
        {
            while(true)
            {
                Random rnd = new Random();
                int r = rnd.nextInt(254);
                int g = rnd.nextInt(254);
                int b = rnd.nextInt(254);
                setBackground(new Color(r,g,b));
                t.sleep(1000);
            } 
        }
catch(Exception e)
        {
            System.out.println(e);
        }
    }
    
    public void init()
    {
        t = new Thread(this);
        t.start();
        cbg = new CheckboxGroup();
        btn = new Button("Click Me!");
        cb = new Checkbox("Hindi", false, cbg);
        cb1 = new Checkbox("English", false, cbg);
        
        setLayout(new FlowLayout(FlowLayout.RIGHT));
        
        add(btn);
        add(cb);
        add(cb1);
        add(new Checkbox("French",true, cbg));
        add(tf);
    }
        
      public void paint(Graphics g)
    {
      Color redc = new Color(255, 0, 0);
        g.fillRect(100,200,100,100);  
        g.setColor(Color.blue);

        g.fillRect(300,300,50,50);
        g.drawOval(0, 0, 200, 100);
    g.fillOval(255,255,255,255);
    }
}

/*
<applet code="abc" width="500" height="500"></applet>


*/

 OutPut