Total members 11800 |It is currently Tue Oct 22, 2019 9:46 am Login / Join Codemiles

Java

C/C++

PHP

C#

HTML

CSS

ASP

Javascript

JQuery

AJAX

XSD

Python

Matlab

R Scripts

Weka





JCheckBox Class Example - Usage.
java code
/*
* Copyright (c) 1995-1997 Sun Microsystems, Inc. All Rights Reserved.
*
* Permission to use, copy, modify, and distribute this software
* and its documentation for NON-COMMERCIAL purposes and without
* fee is hereby granted provided that this copyright notice
* appears in all copies. Please refer to the file "copyright.html"
* for further important copyright and licensing information.
*
* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
* THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
* TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
*/
import java.awt.*;
import java.awt.event.*;
import com.sun.java.swing.JCheckBox;
import com.sun.java.swing.JPanel;
import com.sun.java.swing.JFrame;
import com.sun.java.swing.event.ChangeListener;
import com.sun.java.swing.event.ChangeEvent;

/**
* An application that displays two JCheckBoxes.
*/
public class CheckBoxDemo extends JPanel {
static JFrame frame;
static String first = new String("Button 1");
static String second = new String("Button 2");

public CheckBoxDemo() {
// Create the buttons.
JCheckBox firstButton = new JCheckBox(first);
firstButton.setKeyAccelerator('1');
firstButton.setActionCommand(first);
firstButton.setSelected(true);

JCheckBox secondButton = new JCheckBox(second);
secondButton.setKeyAccelerator('2');
secondButton.setActionCommand(second);

// Register a listener for the check boxes.
CheckBoxListener myListener = new CheckBoxListener();
firstButton.addActionListener(myListener);
firstButton.addChangeListener(myListener);
firstButton.addItemListener(myListener);
secondButton.addActionListener(myListener);
secondButton.addChangeListener(myListener);
secondButton.addItemListener(myListener);

add(firstButton);
add(secondButton);
}


/** Listens to the check boxes. */
class CheckBoxListener implements ItemListener, //only event type needed
ActionListener, //for curiosity only
ChangeListener { //for curiosity only
public void itemStateChanged(ItemEvent e) {
System.out.println("ItemEvent received: "
+ e.getItem()
+ " is now "
+ ((e.getStateChange() == ItemEvent.SELECTED)?
"selected.":"unselected"));
}

public void actionPerformed(ActionEvent e) {
String factoryName = null;

System.out.print("ActionEvent received: ");
if (e.getActionCommand() == first) {
System.out.println(first + " pressed.");
} else {
System.out.println(second + " pressed.");
}
}

public void stateChanged(ChangeEvent e) {
System.out.println("ChangeEvent received from: "
+ e.getSource());
}
}

public static void main(String s[]) {
WindowListener l = new WindowAdapter() {
public void windowClosing(WindowEvent e) {System.exit(0);}
};

frame = new JFrame("CheckBoxDemo");
frame.addWindowListener(l);
frame.getContentPane().add("Center", new CheckBoxDemo());
frame.pack();
frame.setVisible(true);
}
}





Author:
Mastermind
User avatar Posts: 2707
Have thanks: 74 time
Post new topic Reply to topic  [ 1 post ] 

  Related Posts  to : JCheckBox Class Example -JCheckBox Usage
 problem with JcheckBox method     -  
 Define class helper class to check the method existance     -  
 java abstract class,concrete class and interface     -  
 relationship between the Canvas class and the Graphics class     -  
 Define class inside another class C++     -  
 inner class that is a member of an outer class?     -  
 load class to applet- load frame class to applet     -  
 Usage of sub tag     -  
 var tag usage     -  
 Usage of sup tag     -  



Topic Tags

Java Swing






Powered by phpBB © 2000, 2002, 2005, 2007 phpBB Group
All copyrights reserved to codemiles.com 2007-2011
mileX v1.0 designed by codemiles team
Codemiles.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com