JRadioButtonTest.java Creates three radio buttons and illustrates handling ItemEvents in response to selecting a radio button.
import javax.swing.JRadioButton;
import javax.swing.ButtonGroup;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
/**
*/
public class JRadioButtonTest extends JPanel
implements ItemListener {
public JRadioButtonTest() {
String[] labels = {"Java Swing","Java Servlets",
"JavaServer Pages"};
JRadioButton[] buttons = new JRadioButton[3];
ButtonGroup group = new ButtonGroup();
for(int i=0; i<buttons .length; i++) {
buttons[i] = new JRadioButton(labels[i]);
buttons[i].setContentAreaFilled(false);
buttons[i].addItemListener(this);
group.add(buttons[i]);
add(buttons[i]);
}
}
public void itemStateChanged(ItemEvent event) {
JRadioButton radiobutton = (JRadioButton)event.getItem();
if (event.getStateChange() == ItemEvent.SELECTED) {
System.out.println(radiobutton.getText() + " selected.");
} else {
System.out.println(radiobutton.getText() + " deselected.");
}
}
public static void main(String[] args) {
JPanel panel = new JRadioButtonTest();
WindowUtilities.setNativeLookAndFeel();
WindowUtilities.openInJFrame(panel, 400, 75);
}
}
Note: Brought from our old site: http://www.salearningschool.com/example_codes/ on Jan 2nd, 2017 From: http://sitestree.com/?p=10318
Categories:Programming Code Examples, Java/J2EE/J2ME, Basic Swing
Tags:Java/J2EE/J2MEBasic Swing
Post Data:2017-01-02 16:04:31
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