Determining the Selected JRadioButton in a Button Group : JRadioButton « Swing « Java Tutorial

1. Java Tutorial
2. Swing
3. JRadioButton

import java.util.Enumeration;

import javax.swing.ButtonGroup;
import javax.swing.JRadioButton;

public class Main {
  public static void main(String[] argv) throws Exception {
  }

  public static JRadioButton getSelection(ButtonGroup group) {
    for (Enumeration e = group.getElements(); e.hasMoreElements();) {
      JRadioButton b = (JRadioButton) e.nextElement();
      if (b.getModel() == group.getSelection()) {
        return b;
      }
    }
    return null;
  }
}

14.9.JRadioButton
	14.9.1.	Creating JRadioButton Components
	14.9.2.	Using JRadioButton
	14.9.3.	Grouping JRadioButton Components in a ButtonGroup
	14.9.4.	Determining the Selected JRadioButton in a Button Group
	14.9.5.	Listening to JRadioButton Events with an ActionListener
	14.9.6.	Reference to the last selected item and check for reselection
	14.9.7.	Listening to JRadioButton Events with a ChangeListener
	14.9.8.	Listening to JRadioButton Events with an ItemListener
	14.9.9.	Event sequence: Action Event, Item Event and Change Event
	14.9.10.	Getting selected JRadioButton in a container
	14.9.11.	Customizing JRadioButton Look and Feel