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1	Discussions / Miscellaneous Topics / Re: J2EE Tips and Tricks (was questions)	on: 2010-03-19 16:18:33
We have a manager here who thinks that when you just throw an index on every column of a table, stuff speeds up. But unfortunatly, the more indices you have, more work needs to be done when you insert, update and delete records, slowing that process down.

2	Discussions / Miscellaneous Topics / Re: J2EE questions	on: 2010-03-18 10:39:14
I stumbled across Arquillian the other day to do in-container tests for JBoss: http://community.jboss.org/docs/DOC-14376 I haven't had the opportunity yet to give it a full test drive but it looks pretty promising. Spring also has excellent facilities for unit and integration testing: http://static.springsource.org/spring/docs/2.5.6/reference/testing.html, which i use a lot myself. The thing that impacts performance for our application the most is by far the database: some poorly written queries, joined views, slapping indexes on just about everything, bad caching, etc. really slows stuff down.

3	Games Center / Featured Games / Re: CEPHEI - HOSTILE PLANET	on: 2010-03-03 09:58:33
Nicely done. Maybe not the most original concept, but the graphics are very nice and the gameplay is smooth I'm not entirely sure what the pick ups do (labeled with squares, stars, 1 and 2) but i guess it's just for points. Maybe you can make some distinctive graphics for that? Thumbs up!

Game Development / Newbie & Debugging Questions / Re: actionlistener problem

on: 2009-10-22 09:29:35

You can tell your class to be an actionlistener:

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import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseListener;
import javax.swing.*;

public class Fenetre  extends JFrame implements ActionListener {
   JButton jbPlay;
   JButton jbClose;
   JLabel label; 
    
    //***********french notes.. :D*************

   public Fenetre (String titre) {                 //création de la méthode constructeur
      setTitle (titre);
      Container contenu = getContentPane();

      JButton jbPlay = new JButton("", new ImageIcon("jouer.gif"));
      JButton jbClose = new JButton("", new ImageIcon("exit.gif"));

      jbPlay.setFocusPainted(false);
      jbPlay.setBorderPainted(false);                  // ces trois lignes enelvent la bordure du boutton
      jbPlay.setContentAreaFilled(false);

      jbClose.setFocusPainted(false);
      jbClose.setBorderPainted(false);               // ces trois lignes sont les meme que la haut :)
      jbClose.setContentAreaFilled(false);

      contenu.setLayout(null);
      JLabel label = new JLabel();
      Image image = Toolkit.getDefaultToolkit().createImage("background.gif");// nouveau JLabel backgound
      label.setIcon(new ImageIcon(image));

      contenu.add(jbPlay, 0);
      contenu.add(jbClose, 1);
      contenu.add(label, 2);
      label.setBounds(0, 0, 900, 800);
      jbPlay.setBounds(50, 445, 850, 78);
      jbClose.setBounds(50, 640, 158, 50);
      jbPlay.addActionListener(this);      // errors here
        jbClose.addActionListener(this);           // and here
   
      setSize(907,832);
      setResizable(false);
      setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
      setVisible(true);
   }

   public void actionPerformed(ActionEvent e) {
      Object t = e.getSource();

        if (t == jbPlay) {
            game();
        } else if (t == jbClose) {
         System.out.print("failure");  
        }
   }
    

   private void game() {
      System.out.print("test reussi");
   }
}

5	Discussions / General Discussions / Re: Another language feature I'd like	on: 2009-07-01 14:00:42
It's not a language feature but you could take a look at the CollectionUtils from the Apache Commons project. SetUtils.predicatedSet looks like a nice candidate, for example. Or ofcourse you could write something yourself

6	Game Development / Newbie & Debugging Questions / Re: [HELP] Library help	on: 2009-02-12 09:44:07
I suppose you could go for a try / catch ClassNotFoundException in the main method solution. Then exit the program in the catch block with a nice message. However, if you are distributing your game in for example a JAR file, or online in a webstart, you (the programmer / distributor) should be responsible of supplying all required libraries, since the user can't download the libraries himself and "rebuild" the jar file.

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