Modify JFrameWin.java from last article "Example of using Swing JRadioButton".
package javatestswing;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
/**
*
* @web http://java-buddy.blogspot.com/
*/
public class JFrameWin extends JFrame{
public JFrameWin(){
final JPanel jPanel = new JPanel();
this.setTitle("java-buddy.blogspot.com");
this.setSize(500, 400);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JButton buttonExit = new JButton(" Exit ");
buttonExit.addActionListener(new ActionListener(){
@Override
public void actionPerformed(ActionEvent ae) {
System.exit(0);
}
});
final JRadioButton jRadioButtonA = new JRadioButton("JRadioButton A");
final JRadioButton jRadioButtonB = new JRadioButton("JRadioButton B");
final JRadioButton jRadioButtonC = new JRadioButton("JRadioButton C");
JButton buttonReadRadio = new JButton(" Read Radio Buttons ");
buttonReadRadio.addActionListener(new ActionListener(){
@Override
public void actionPerformed(ActionEvent ae) {
String radioSetting = "";
if (jRadioButtonA.isSelected()){
radioSetting += "jRadioButtonA is selected.\n";
}
if (jRadioButtonB.isSelected()){
radioSetting += "jRadioButtonB is selected.\n";
}
if (jRadioButtonC.isSelected()){
radioSetting += "jRadioButtonC is selected.\n";
}
JOptionPane.showMessageDialog(JFrameWin.this, radioSetting);
}
});
ButtonGroup buttonGroup = new ButtonGroup();
buttonGroup.add(jRadioButtonA);
buttonGroup.add(jRadioButtonB);
buttonGroup.add(jRadioButtonC);
jPanel.add(jRadioButtonA);
jPanel.add(jRadioButtonB);
jPanel.add(jRadioButtonC);
jPanel.add(buttonReadRadio);
jPanel.add(buttonExit);
this.add(jPanel);
}
}