View difference between Paste ID: sHAeB772 and CmtVWDKf

 /*
  * To change this template, choose Tools | Templates
  * and open the template in the editor.
  */
 package testmisc;
 
 import java.awt.Image;
 import java.awt.Point;
 import java.awt.event.MouseEvent;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Random;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import javax.imageio.ImageIO;
 import javax.swing.Icon;
 import javax.swing.ImageIcon;
 import javax.swing.JButton;
 import javax.swing.event.MouseInputListener;
 
 /**
  *
  * @author user
  */
-        JButton tab[][] = new JButton[rows][columns];
+
-        ArrayList <Point> ships = new ArrayList<Point>();
+
     /**
      * Creates new form NavalFrame
      */
 
     private int rows = 8;
     private int columns = 8;
     private int shipsNumber = 44;
     ArrayList <Point> ships ;
 
     public NavalFrame() {
         MyJButton tab[][] = new MyJButton[rows][columns];
         ships = new ArrayList<Point>();
         Random ir = new Random();
         Random jr = new Random();
 
         int rowLimit = rows -1;
         int columnLimit = columns -1;
         for (int i = 0; i < shipsNumber; ) {
             Point nextPoint = new Point( (int)(Math.round( ir.nextDouble()*rowLimit)),
                     (int)(Math.round( jr.nextDouble()*columnLimit)));
             if(!ships.contains(nextPoint)){
                 ships.add(nextPoint);
                 System.out.println("="+ships.get(i));
-                tab[i][j] = new JButton();
+
             }else{
                 System.out.println("Crashed="+nextPoint);
             }
         }
 
         setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
         getContentPane().setLayout(new java.awt.GridLayout(rows, columns));
-                tab[point.x][point.y].setIcon(new ImageIcon(img));
+
 
         for (int i = 0; i < tab.length; i++) {
             for (int j = 0; j < tab[i].length; j++) {
                 tab[i][j] = new MyJButton(new Point(i,j));
                 this.add(tab[i][j]);
                     tab[i][j].addMouseListener(new java.awt.event.MouseAdapter() {
                         public void mouseClicked(java.awt.event.MouseEvent evt) {
                             ShipClicked(evt);
-
+                        }
                         private void ShipClicked(MouseEvent evt) {
                             MyJButton current = (MyJButton)evt.getSource();
                             if(ships.contains(current.currentPoistion)){
                                 System.out.println("Boom!! ");
                             }else{
                                     System.out.println("FAIL!! ");
                             }
 
                         }
             });
             }
         }
         try {
             Image img = ImageIO.read(getClass().getResource("/images.jpg"));
             for (int i = 0; i < shipsNumber; i++) {
                 Point point = ships.get(i);
                 tab[point.x][point.y].setIcon(new ImageIcon(img));
             }
         } catch (IOException ex) {
             Logger.getLogger(NavalFrame.class.getName()).log(Level.SEVERE, null, ex);
         }
        pack();
        this.setSize(800, 600);
     }
 
 
 
     /**
      * This method is called from within the constructor to initialize the form.
      * WARNING: Do NOT modify this code. The content of this method is always
      * regenerated by the Form Editor.
      */
     @SuppressWarnings("unchecked")
     // <editor-fold defaultstate="collapsed" desc="Generated Code">
     private void initComponents() {
 
         setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
         getContentPane().setLayout(new java.awt.GridLayout());
 
         pack();
     }// </editor-fold>
 
     /**
      * @param args the command line arguments
      */
     public static void main(String args[]) {
         /* Set the Nimbus look and feel */
         //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
         /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
          * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
          */
         try {
             for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                 if ("Nimbus".equals(info.getName())) {
                     javax.swing.UIManager.setLookAndFeel(info.getClassName());
                     break;
                 }
             }
         } catch (ClassNotFoundException ex) {
             java.util.logging.Logger.getLogger(NavalFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
         } catch (InstantiationException ex) {
             java.util.logging.Logger.getLogger(NavalFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
         } catch (IllegalAccessException ex) {
             java.util.logging.Logger.getLogger(NavalFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
         } catch (javax.swing.UnsupportedLookAndFeelException ex) {
             java.util.logging.Logger.getLogger(NavalFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
         }
         //</editor-fold>
 
         /* Create and display the form */
         java.awt.EventQueue.invokeLater(new Runnable() {
             public void run() {
                 new NavalFrame().setVisible(true);
             }
         });
     }
     // Variables declaration - do not modify
     // End of variables declaration
 }
 
 class MyJButton extends JButton{
 
     Point currentPoistion = new Point(0, 0);
 
     public MyJButton(Point currentPoistion){
         super();
         this.currentPoistion = currentPoistion;
     }
 
     public MyJButton(Icon icon, Point currentPoistion){
         super(icon);
         this.currentPoistion = currentPoistion;
     }
 }