Java ButtonModel .setGroup (ButtonGroup group)

void setGroup(ButtonGroup group)

/* w ww.j  a  v  a 2s  .c o  m*/
import java.awt.BorderLayout;

import javax.swing.ButtonGroup;
import javax.swing.JCheckBox;
import javax.swing.JFrame;

public class Main {
  public static void main(String[] a) {    
    JFrame frame = new JFrame("Selecting CheckBox");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JCheckBox checkBox = new JCheckBox("Hi");
    
    ButtonGroup bg = new ButtonGroup();
    checkBox.getModel().setGroup(bg);
    
    frame.add(checkBox, BorderLayout.NORTH);
    frame.setSize(300, 100);
    frame.setVisible(true);
  }
}