Turn this JApplet into a JFrame:

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

public class Whack extends JApplet implements MouseListener, ActionListener {

private final int WIDTH = 300, HEIGHT = 100;

private final int DELAY = 20, IMAGE_SIZE = 35;

private final int N = 10;

private Image image;

private Timer [] timers;

private int[] x, y;

private int[] moveX, moveY;

private int alive;

private JPanel panel;

public void init() {

panel = new JPanel ();

timers = new Timer[N];

x = new int[N];

y = new int[N];

moveX = new int[N];

moveY = new int[N];

image = getImage(getDocumentBase(), "happyFace.png");

alive = N;

for (int i = 0; i < N; i++) {

timers[i] = new Timer(DELAY, this);

x[i] = (int)(Math.random() * (WIDTH - IMAGE_SIZE));

y[i] = (int)(Math.random() * (HEIGHT - IMAGE_SIZE));

moveX[i] = moveY[i] = 3;

}

panel.setPreferredSize (new Dimension(WIDTH, HEIGHT));

panel.setBackground (Color.black);

for (Timer timer : timers)

timer.start();

addMouseListener(this);

add(panel);

} // init

public void paint (Graphics page) {

super.paint (page);

if (alive > 0) {

for (int i = 0; i < N; i++)

if (timers[i].isRunning())

page.drawImage(image, x[i], y[i], this);

}

else {

page.setColor(Color.yellow);

page.drawString("R.I.P.", WIDTH / 2 - 20, HEIGHT / 2 - 5);

}

} // paint

public void actionPerformed (ActionEvent event) {

Timer timer = (Timer)event.getSource();

int i = 0;

while (i < N && timer != timers[i])

i++;

if (timers[i].isRunning()) {

x[i] += moveX[i];

y[i] += moveY[i];

if (x[i] <= 0 || x[i] >= WIDTH - IMAGE_SIZE)

moveX[i] = moveX[i] * -1;

if (y[i] <= 0 || y[i] >= HEIGHT - IMAGE_SIZE)

moveY[i] = moveY[i] * -1;

}

repaint();

} // actionPerformed

public void mousePressed(MouseEvent event) {

int xloc = event.getX();

int yloc = event.getY();

int i = 0;

while (i < N) {

if (timers[i].isRunning() &&

xloc >= x[i] && xloc <= x[i] + IMAGE_SIZE &&

yloc >= y[i] && yloc <= y[i] + IMAGE_SIZE) {

alive--;

timers[i].stop();

repaint();

break;

}

i++;

}

} // mousePressed

public void mouseEntered(MouseEvent event) {}

public void mouseReleased(MouseEvent event) {}

public void mouseClicked(MouseEvent event) {}

public void mouseExited(MouseEvent event) {}

} // class Whack