Check if a JCheckBox is selected in its item change listener : JCheckBox « Swing « Java Tutorial

Home
Java Tutorial
1.Language
2.Data Type
3.Operators
4.Statement Control
5.Class Definition
6.Development
7.Reflection
8.Regular Expressions
9.Collections
10.Thread
11.File
12.Generics
13.I18N
14.Swing
15.Swing Event
16.2D Graphics
17.SWT
18.SWT 2D Graphics
19.Network
20.Database
21.Hibernate
22.JPA
23.JSP
24.JSTL
25.Servlet
26.Web Services SOA
27.EJB3
28.Spring
29.PDF
30.Email
31.J2ME
32.J2EE Application
33.XML
34.Design Pattern
35.Log
36.Security
37.Apache Common
38.Ant
39.JUnit
Java Tutorial » Swing » JCheckBox 
14.11.7.Check if a JCheckBox is selected in its item change listenerPrevious/Next
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JCheckBox;
import javax.swing.JFrame;

public class Main extends JFrame {
  JCheckBox check = new JCheckBox("Checkbox"false);

  public Main() {
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    check.addItemListener(new ItemListener() {
      public void itemStateChanged(ItemEvent e) {
        System.out.println("Checked? " + check.isSelected());
      }
    });

    getContentPane().add(check);
    pack();
    setVisible(true);
  }

  public static void main(String arg[]) {
    new Main();
  }
}
14.11.JCheckBox
14.11.1.Creating JCheckBox Components
14.11.2.Using JCheckBoxUsing JCheckBox
14.11.3.JCheckBox.setMnemonic
14.11.4.Listening to JCheckBox Events with an ActionListenerListening to JCheckBox Events with an ActionListener
14.11.5.Listening to JCheckBox Events with an ItemListenerListening to JCheckBox Events with an ItemListener
14.11.6.Listening to JCheckBox Events with a ChangeListener: listen to armed, pressed, selected, or released stateListening to JCheckBox Events with a ChangeListener: listen to armed, pressed, selected, or released state
14.11.7.Check if a JCheckBox is selected in its item change listener
14.11.8.Event firing sequence: ActionListener, ItemListener and ChangeListenerEvent firing sequence: ActionListener, ItemListener and ChangeListener
14.11.9.Adding an Icon to the Label of a JCheckBox Component
14.11.10.Getting and Setting the State of a JCheckbox Component
14.11.11.Display an icon when the cursor is moved over the checkbox. This is called the rollover icon.
14.11.12.Customizing JCheckBox Check Mark IconCustomizing JCheckBox Check Mark Icon
14.11.13.Customizing JCheckBox Look and Feel
14.11.14.CheckBox List
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.