Java program to change window color automatically

package sWINGS;

import java.awt.*;

import java.util.Random;

import java.util.Timer;

import java.util.TimerTask;

import javax.swing.JFrame;

public class Animate extends JFrame {

private static int DELAY = 1000;

Insets insets;

  Color colors[] = { Color.PINK, Color.YELLOW, Color.GREEN, Color.RED,

      Color.BLUE, Color.CYAN, Color.BLACK, Color.DARK_GRAY, Color.magenta, Color.RED, Color.ORANGE };

  public void paint(Graphics graphics) {

    super.paint(graphics);

    if (insets == null) {

      insets = getInsets();

    }

  int steps=colors.length;

    int x = insets.left;

    int y = insets.top;

    int width = getWidth() - insets.left - insets.right;

    int height = getHeight() - insets.top - insets.bottom;

  

    synchronized (colors) {

    int rnd = new Random().nextInt(colors.length);

    for (int i = 0; i < steps; i++) {

        graphics.setColor(colors[rnd]);

        graphics.fillRect(x, y, width, height);

      }

    }

  }

  public void go() {

    TimerTask timerTask = new TimerTask() {

      public void run() {

        Color color = colors[0];

        synchronized (colors) {

          System.arraycopy(colors, 1, colors, 0, colors.length - 1);

          colors[colors.length - 1] = color;

        }

        repaint();

      }

    };

    Timer timer = new Timer();

    timer.schedule(timerTask, 0, DELAY);

  }

   @SuppressWarnings("deprecation")

public static void main(String args[]) {

    CreateAnimation animation = new CreateAnimation();

    animation.setSize(250, 200);

    animation.show();

    animation.go();

  }

}