use varibles for labels
first declare in proper place: JLabel label1;
In constructor create new instance of label: label1 = new JLabel(card1);
add this label ...
///
In method actionPerformed...

http://www.javaworkspace.com/connectdatabase/connectPostgre.do
http://jdbc.postgresql.org/download.html

Nothing to change. This form is fully acceptable.
--------
You can try CardLayout; on each tab, you can put only the necessary components labels and txtfields, and switch between tabs in accordance...

. check x on input, where x is old
. if x >=0, INPUT never occurs, then x remain forever old >= 0 value

here is! , and annunfanwen is an author

methodadds usefull spaces as separator L28,38,48,54

method don't know about it . Also can't collect digits together to form number

In addition little...

whiteyoh, look at static int ConsoleOptionGUI(String s) method http://www.daniweb.com/forums/thread231390.html
Yet you will not always write all the code in the main method.

Look at java doc java.util.Calendar and java.util.GregorianCalendar classes. Nice implemented interfaces, constructors and methods. Nice examples. Their use will reduce drastically the volume of...

System.exit(0);
comment this, it closes all windows and ends program
find another solution e.g. setting the status window on the invisible

http://fivedots.coe.psu.ac.th/~ad/jg/objm3g/index.html

Active Rendering
http://www.gamedev.net/reference/programming/features/javarender/default.asp

Thread Pools
http://www.brackeen.com/javagamebook/

Threads...

public static void main(String args[]) {
QApplication.initialize(args);
//
QFont font = new QFont();
font.setFamily("Lucida Console");
...

Summary of conversation.
I know, You want to use the package trolltech to create applications.
As a beginner java programmer you cetainly think "this is the shortest way to achieve rapid...

Learn first http://www.brpreiss.com/books/opus5/

public class CodeEditor extends QPlainTextEdit
{
public CodeEditor(QTextDocument textDocument) //textDocument as parameter in constructor
// public CodeEditor()
{
// here
...

use method (from documentation of package mentioned above)

Loading images from filesystem throws I/O error.
I think , better way (for me) is load all images in initial phase of program. For example in specialized method loadImages() , that returns array of...

On a very general question, do not expect a detailed response

The same url as peter_budo posted
http://chumbalum.swissquake.ch/files/MS3DHelp-HTML.zip

Add field in Room .
Extend the Room constructor , or write the new one, which takes into account a new parameter, image.
If you dane this, look
Each neighbor already has its own image!
//
Good...

You are working with package qtjambi. You should know it better.

first read
http://doc.trolltech.com/qtjambi-4.5.2_01/index.html...

Decide, that you need single Frame. If yes, create class MyLinkPanel extends JPanel in same way as class MyPanel.
Inside constructor MyFrame() add new instance of MyLinkPanel in same way as instance...

http://www.brpreiss.com/books/opus5/html/page264.html

public class GCD have a static method gdc. Then you do not need to create new instance of this class .
simply use long val = GDC.gdc(l1,l2);

1. to generate random index, use public int nextInt(int n) method from java.util.Random, where n is number of questions.
2. introduce int varibles counters for correct and wrong answer. Check...

L24-29 this is initialization
When you creates (in main method) new instance of ExitJoke the first executed code is L24-29. L26 here is "new ExitJoke", this executes code in L24.
Then your program...

properly write constructor
reply , what does mean parameter "String in" in contructor?
What information is transmitted to a class?

this mean

use methods to setColor green,yellow,red ;getColor

Start work with the base linear function. Create a class (for example Equation extends java.lang.Object) with constructor and methods. Results print only to console. This is not a joke.
See you...

The way is use constructor , and write own String comparator where the case of letter is irrelevant

Go step by step
Create from scratch class Polynomial
implement set( , get( , String toString() methods
and show

#6 too long
9 posibilities 10 returns

public int compareTo(Somthing with two things _1 and _2 to compare) {
// _1 comparation higher priority
if (GT_1) {
...

About
You are using default method toString(), which not reflect the order.
Try print in loopmethod

About L63:
L42 and L72 methods do not cover all cases, comparisons.
character GT LT ?

Masijade, I appreciate your posts and welcome your comments towards me.

First init all components
Used BorderLayout and CardLayout
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.*;

public class...

Feel free traying this code.
here is modified method with cancelCellEditing

private void setValueAtSelectedCell(String value) {
//if (wallChooser.isEditing()) {
...

It is possible in Java.
how to work with camera with JMF :
http://www.darnok.org/programming/motion-detection/
FMJ extension of JMF (MPEG4 codec):...

public class Picture {

public static void main(String[] args) {
String s1 = "pppppppppppplllllllllleeeaaaaaaaaasssssssse";
String s2 = "pppppppppppp ...

http://www.brackeen.com/javagamebook/
Chapter 4, "Sound Effects and Music"

http://mindprod.com/jgloss/applet.html#RESTRICTIONS

check
wallChooser.isEditing()
if result is true, blocking the setting