Puzzle Game Source Code in JAVA

Hello All,
Again I am back with a new source code of puzzle game in java.
I created this game usin io and swing components of JAVA
Its very easy to create a puzzle game.
This program is the memory game most commonly called Identify Images. The object is to match two cards based on their images when selected. When a card is not selected, it shows a background pattern.
Below is the code
Editings:
Replace C:\\Users\\Pankaj\\Desktop\\puzzle\\Puzzle\\Clipart\\
with your location of images
images should be like this image1.jpg ,image2.jpg till 18.jpg 
for a cover background.jpg image

package Puzzle; /* * Identify.java * * This program is the memory game most commonly called Identify Images. * The object is to match two cards based on their images when selected. * When a card is not selected, it shows a background pattern. * @ Author Pankaj Maurya * @Email: pnkjmr857@gmail.com * www.toolsvalley.blogspot.com */ //Import all needed classes import java.io.*; import java.awt.*; import java.awt.event.*; import javax.swing.*; public class Identify extends JFrame implements ActionListener { //this array holds all possible values for the cards - two of each value int[] tilemap = {1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18}; //this creates an array of togglebuttons so they will remain selected while checking two cards JToggleButton[] cards = new JToggleButton[36]; //holders for each cards values Object card1Object = null; Object card2Object = null; String card1Image = ""; String card2Image = ""; int card1Num = 0; int card2Num = 0; //variable declarations int cardsSelected = 0; int cardsLeft = 36; int numTries = 0; //Creates new form Identify public Identify() { //creates the game board and shuffles the cards initComponents(); shuffleCards(); } private void initComponents() { //sets the X button, size, and the title of the JFrame setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); setSize(550,630); setTitle("Puzzle By Pankaj Maurya"); //creates two panels; one for the cards, and one for the buttons & label JPanel buttonPane = new JPanel(); JPanel cardPane = new JPanel(); //sets the layout for the button panel buttonPane.setLayout(new GridBagLayout()); GridBagConstraints b = new GridBagConstraints(); b.fill = GridBagConstraints.HORIZONTAL; //sets the layout for the card panel cardPane.setLayout(new GridLayout(6,6)); //creates a label to display the number of tries and the winning game message numTriesLabel = new JLabel(); //first position on the second row b.gridx = 0; b.gridy = 1; buttonPane.add(numTriesLabel,b); //this allows for a fresh start or to replay the game. replayButton = new JButton(); //first position on the first row b.gridx = 0; b.gridy = 0; buttonPane.add(replayButton,b); //this allows one to exit the game exitButton = new JButton(); //second position on the first row b.gridx = 1; b.gridy = 0; buttonPane.add(exitButton,b); //display the message in the label numTriesLabel.setText("Number of Tries: " + numTries); //initialize the replayButton's values replayButton.setMnemonic('S'); replayButton.setText("Start Again ?"); replayButton.setToolTipText("Start a new game"); replayButton.addActionListener( new java.awt.event.ActionListener() { public void actionPerformed (java.awt.event.ActionEvent evt) { replayButtonActionPerformed(evt); } }); //initialize the exitButton's values exitButton.setMnemonic('x'); exitButton.setText("Exit"); exitButton.setToolTipText("Quit the Game"); exitButton.addActionListener( new java.awt.event.ActionListener() { public void actionPerformed (java.awt.event.ActionEvent evt) { exitButtonActionPerformed(evt); } }); /* create the array of cards, and initialize them to the size and background adding an action listener so we know when one is activated, and also add it to the card panel */ for (int i = 0; i < cards.length; i++) { cards[i] = new JToggleButton("Card: " + i); cards[i].addActionListener(this); cards[i].setSize(80,80); cards[i].setIcon(new ImageIcon("C:\\Users\\Pankaj\\Desktop\\puzzle\\Puzzle\\Clipart\\background.jpg")); cards[i].setText(""); cardPane.add(cards[i]); } //put the card panel on the top of the form, and the button panel on the bottom getContentPane().add(buttonPane,BorderLayout.SOUTH); getContentPane().add(cardPane,BorderLayout.NORTH); } private void replayButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_shuffleButtonActionPerformed shuffleCards(); } private void shuffleCards() { //variables declaration of a temporary holding array int[] temparray = new int[3]; //the random swap will be done 5 times to make sure the tiles are throughly shuffled for (int shuffle = 0; shuffle < 5; shuffle++) { //this will swap a random tilemap value with the tilemap value of x for (int x = 0; x < tilemap.length; x++) { temparray[0] = (int)Math.floor(Math.random()*36); temparray[1] = tilemap[temparray[0]]; temparray[2] = tilemap[x]; tilemap[x] = temparray[1]; tilemap[temparray[0]] = temparray[2]; } } /*This will set the icon depending on the tilemap value *JToggleButton does not have a field for a value, so I had to create *a separate array of numbers. */ for (int i = 0; i < cards.length; i++) { /* Uncomment the following line of code to display the images for testing, this will cause the background Icons to be the same as the selectedIcons */ //cards[i].setIcon(new ImageIcon(".\\Clipart\\image"+tilemap[i]+".jpg")); cards[i].setSelectedIcon(new ImageIcon("C:\\Users\\Pankaj\\Desktop\\puzzle\\Puzzle\\Clipart\\"+"image"+tilemap[i]+".jpg")); //have to set the text to determine which number of card was pressed cards[i].setText("" + i); //reset cards to enabled, visible, and not pressed for multiple games cards[i].setEnabled(true); cards[i].setVisible(true); cards[i].setSelected(false); } //reset these values to defaults for multiple games cardsLeft = 36; numTries = 0; numTriesLabel.setText("Number of Tries: " + numTries); } public void actionPerformed(ActionEvent ae) { //variable declarations int iconMarker = 0; int nameMarker = 0; String card1String = ""; String card2String = ""; String nameText = ""; /*this is to make sure that no more than two cards are selected * at a time */ cardsSelected++; if (cardsSelected == 3) { card1Object = null; cards[card1Num].setSelected(false); card2Object = null; cards[card2Num].setSelected(false); cardsSelected = 1; } /*this holds the information for the first card, and determines the image * and the number of the card that was pressed */ if (card1Object == null) { card1Object = ae.getSource(); card1String = card1Object.toString(); iconMarker = card1String.lastIndexOf(",selectedIcon="); nameMarker = card1String.lastIndexOf(",text="); card1Image = card1String.substring(iconMarker+14,nameMarker); nameText = card1String.substring(nameMarker+6,card1String.length()-1); card1Num = Integer.parseInt(nameText); } /*this holds the information for the second card, and determines the image * and the number of the card that was pressed */ else if (card2Object == null) { card2Object = ae.getSource(); card2String = card2Object.toString(); iconMarker = card2String.lastIndexOf(",selectedIcon="); nameMarker = card2String.lastIndexOf(",text="); card2Image = card2String.substring(iconMarker+14,nameMarker); nameText = card2String.substring(nameMarker+6,card2String.length()-1); card2Num = Integer.parseInt(nameText); } /*if we have two cards selected, increment the number of tries *and check to see if the images match. If they match, reset the variables *and subtract 2 cards from the cardsLeft variable */ if (card1Object != null && card2Object != null) { numTries++; numTriesLabel.setText("Number of Tries: " + numTries); if (card1Image.equals(card2Image) && (card1Num != card2Num)) { cards[card1Num].setVisible(false); cards[card2Num].setVisible(false); card1Object = null; card2Object = null; cardsLeft -= 2; cardsSelected = 0; } } //if the game is over, change the message and set the replayButton to default if (cardsLeft == 0) { getRootPane().setDefaultButton(replayButton); numTriesLabel.setText("Congratulations! You completed it in: " + numTries+".Tries Puzzle Game By Pankaj Maurya"); JOptionPane.showMessageDialog(null, "Top Game Player : Pankaj Maurya in 36 tries"+"\n"+"Dhananjay Yadav,Swaraj Shubham Mishra Completed in 36 tries!"); } } private void exitButtonActionPerformed(java.awt.event.ActionEvent evt) { System.exit(0); } public static void main(String args[]) { java.awt.EventQueue.invokeLater( new Runnable() { public void run() { new Identify().setVisible(true); } }); } // Variables declaration for GUI private javax.swing.JPanel cardPane; private javax.swing.JButton exitButton; private javax.swing.JButton replayButton; private javax.swing.JLabel numTriesLabel; // End of variables declaration }