Closing of JFrame once button called - Programmers Heaven

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Closing of JFrame once button called

RibbletonRibbleton Posts: 152Member
When i press a button i want to close a screen down and open the new screen. I can open the new screen but can't close a screen.

most of the code is just setting the screen up. I have commented the problem area.

Code:

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.lang.*;

public class Menu extends JFrame {

private JButton BExit, BQuestions, BTutorial;
private JPanel PTop, PExit, PCenter;
private Color color = Color.blue;
private JLabel label1;

public Menu()
{
super( "Menu Screen" );

Container Canvas = getContentPane();

PTop = new JPanel();
PExit = new JPanel();
PCenter = new JPanel();

BExit = new JButton(" Exit Application ");
BExit.setToolTipText( " Press To Exit Application ");
Canvas.add(BExit);

BQuestions = new JButton(" Add Questions ");
BQuestions.setToolTipText( " Add a new set of questions to the system ");
Canvas.add(BQuestions);

BTutorial = new JButton(" Take Tutorial ");
BTutorial.setToolTipText( " Take Java Tutorial");
Canvas.add(BTutorial);

Icon IPic = new ImageIcon( "images/Test.gif" );
label1 = new JLabel ( IPic );

PTop.add ( BQuestions );
PTop.add ( BTutorial );
PExit.add ( BExit );
PCenter.add( label1 );

Canvas.add( PTop, BorderLayout.NORTH );
Canvas.add( PCenter, BorderLayout.CENTER );
Canvas.add( PExit, BorderLayout.SOUTH );

PTop.setBackground ( color );
PExit.setBackground ( color );
PCenter.setBackground ( color );
Canvas.setBackground ( color );

ButtonHandler handler = new ButtonHandler();
BTutorial.addActionListener(handler);
BQuestions.addActionListener(handler);
BExit.addActionListener(handler);

setSize (300, 225);
show();

}

public static void main ( String args[] ) {

Menu app = new Menu();

app.addWindowListener (
new WindowAdapter() {
public void windowClosing (WindowEvent e)
{
System.exit( 0 );
}
}
);

}
private class ButtonHandler implements ActionListener {
public void actionPerformed( ActionEvent e ) {
if( e.getSource() == BTutorial) {

/* PROBLEM AREA
If a user presses the tutorial button i want the tutroial screen to open and the menu screen the close. I've tired this.setVisible(false); but it doesn't work.

*/

Tutorial Tut = new Tutorial();
}
if( e.getSource() == BQuestions) {
Questions Ques = new Questions();
}
if( e.getSource() == BExit) {
System.exit( 0 );
}
}
}
}

Thanks for your time
*Ribbleton_
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