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;
}
}