Java JCheckBox Events With ChangeListener
Chapter:
Swing
Last Updated:
02-10-2016 16:30:39 UTC
Program:
/* ............... START ............... */
import javax.swing.AbstractButton;
import javax.swing.ButtonModel;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class JavaJCheckBoxChangeListener {
public static void main(String args[]) {
JFrame frame = new JFrame("Iconizing CheckBox");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JCheckBox aCheckBox4 = new JCheckBox("Stuffed Crust");
ChangeListener changeListener = new ChangeListener() {
public void stateChanged(ChangeEvent changeEvent) {
AbstractButton abstractButton = (AbstractButton) changeEvent.getSource();
ButtonModel buttonModel = abstractButton.getModel();
boolean armed = buttonModel.isArmed();
boolean pressed = buttonModel.isPressed();
boolean selected = buttonModel.isSelected();
System.out.println("Changed: " + armed + "/" + pressed + "/" + selected);
}
};
aCheckBox4.addChangeListener(changeListener);
frame.add(aCheckBox4);
frame.setSize(300, 200);
frame.setVisible(true);
}
}
/* ............... END ............... */
Output
Changed: false/false/false
Changed: false/false/false
Changed: false/false/false
Changed: true/false/false
Changed: true/true/false
Changed: true/true/true
Tags
JCheckBox Events With ChangeListener, Java, Swing