Mouse Game HELP!

Question

Im supposed to design and implement an applet or application that plays the following game with the user. Draw a shape or an image on the screen and invite the user to click on it. Every time the user clicks on it, move the shape to an new random location..... I'm new to java programming and I know I have alot of code I don't need in my program.. Please help and weed out my errors! Thank you.
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.Random;
import java.awt.Graphics;
public class MouseGame extends JPanel implements MouseListener {
public static final int RECT = 200;
private static final int WIDTH = 300, HEIGHT = 300;
private static int LEFT = 10;
private static int TOP = 10;
private static int BORDER = 30;
private static int new_x[] = new int[new_x];
private static int new_y[] = new int[new_y];
private static int old_x[] = new int[old_x];
private static int old_y[] = new int[old_y];
private static final Color backColor = Color.gray;
private static final Color lineColor = Color.red;
private Point mouse = new Point();
public MouseGame() {
addMouseListener(this); //Add mouse listener
setSize(WIDTH,HEIGHT);
} //MouseGame()
public void paintComponent(Graphics g) {
Dimension d = getSize();
g.setColor(getBackground()); // Clear drawing area
g.drawRect(LEFT, TOP, d.width - BORDER, d.height - BORDER); //the drawing area
g.drawString("Click the Rectangle", LEFT, d.height - 5);
g.setColor(Color.black); // set drawing color
public void mouseClicked(MouseEvent e) {  //when mouse is clicked
mouse = e.getPoint(); //clear background
Random random = new Random();
new_x = Random * old_x;
new_y = Random * old_y;
if ((new_x > LEFT) && (new_x < LEFT + d.width - BORDER)
&& (new_y > TOP) && (new_y > TOP + d.height - BORDER))
g.fillRect(new_x, new_y, 3, 3);
public void mouseEntered(MouseEvent e) {} //five interface methods
public void mouseExited(MouseEvent e) {}
public void mousePressed(MouseEvent e) {}
public void mouseReleased(MouseEvent e) {}
public void mouseMoved(MouseEvent e) {}
public static void main(String[] args) {
JFrame f = new JFrame("Mouse Game"); // Create the top-level window
MouseGame mg = new MouseGame(); //give it a drawing panel
f.getContentPane().add(mg);
f.setSize(mg.WIDTH, mg.HEIGHT);
f.setVisible(true);
f.addWindowListener(new WindowAdapter() { //Quit Application
public void windowClosing(WindowEvent e) {
System.exit(0);
} //main()
} //MouseGame()

Answer 1

Try this program, you have to click inside the rectangle.
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.awt.image.*;
import java.math.*;
import java.util.*;
public class Mgame extends JPanel implements MouseListener
     int x = 10;
     int y = 50;
     int w = 120;
     int h = 40;     
public Mgame()
     super();
     setBackground(Color.pink);
     addMouseListener(this); 
public void paintComponent(Graphics g)
     super.paintComponent(g);
     g.setColor(Color.black);
     g.drawRect(x,y,w,h);
     g.setColor(Color.blue);
     g.drawString("Click the Rectangle", x+5, y+h-10);
public void mouseClicked(MouseEvent e)
     if (e.getX() < x || e.getX() > x+w) return;
     if (e.getY() < y || e.getY() > y+h) return;
     x = (int)(Math.random()*380);  
     y = (int)(Math.random()*350);
     repaint();  
public void mouseEntered(MouseEvent e) {} 
public void mouseExited(MouseEvent e)  {}
public void mousePressed(MouseEvent e) {}
public void mouseReleased(MouseEvent e){}
public void mouseMoved(MouseEvent e)   {}
public static void main (String[] args)
     JFrame f = new JFrame("Mouse Game"); 
     Mgame mg = new Mgame(); 
     f.getContentPane().add(mg);
     f.setSize(500,400);
     f.setVisible(true);
     f.addWindowListener(new WindowAdapter()
     {     public void windowClosing(WindowEvent e)
               System.exit(0);
unformated
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.awt.image.*;
import java.math.*;
import java.util.*;
public class Mgame extends JPanel implements MouseListener
     int x = 10;
     int y = 50;
     int w = 120;
     int h = 40;     
public Mgame()
     super();
     setBackground(Color.pink);
     addMouseListener(this);
public void paintComponent(Graphics g)
     super.paintComponent(g);
     g.setColor(Color.black);
     g.drawRect(x,y,w,h);
     g.setColor(Color.blue);
     g.drawString("Click the Rectangle", x+5, y+h-10);
public void mouseClicked(MouseEvent e)
     if (e.getX() < x || e.getX() > x+w) return;
     if (e.getY() < y || e.getY() > y+h) return;
     x = (int)(Math.random()*380);
     y = (int)(Math.random()*350);
     repaint();
public void mouseEntered(MouseEvent e) {}
public void mouseExited(MouseEvent e) {}
public void mousePressed(MouseEvent e) {}
public void mouseReleased(MouseEvent e){}
public void mouseMoved(MouseEvent e) {}
public static void main (String[] args)
     JFrame f = new JFrame("Mouse Game");
     Mgame mg = new Mgame();
     f.getContentPane().add(mg);
     f.setSize(500,400);
     f.setVisible(true);
     f.addWindowListener(new WindowAdapter()
     {     public void windowClosing(WindowEvent e)
               System.exit(0);