import java.awt.*;
import javax.swing.*;

public class CheckRadio
{
  public CheckRadio ()
  {
    JFrame frame = new JFrame("Check Boxes and Radio Buttons");
    frame.setSize(300,300);
    
    Container content = frame.getContentPane();
    JPanel checkboxes = new JPanel();
    checkboxes.add(new JCheckBox("NR"));
    checkboxes.add(new JCheckBox("Stereo"));
    content.add(checkboxes, BorderLayout.NORTH);

    JRadioButton rb1 = new JRadioButton("WNPR");
    JRadioButton rb2 = new JRadioButton("WHCN");
    JRadioButton rb3 = new JRadioButton("KRON");
    JRadioButton rb4 = new JRadioButton("WNBC");
    ButtonGroup bg = new ButtonGroup();
    bg.add(rb1);
    bg.add(rb2);
    bg.add(rb3);
    bg.add(rb4);

    JPanel radios = new JPanel();
    radios.add(rb1);
    radios.add(rb2);
    radios.add(rb3);
    radios.add(rb4);
    content.add(radios, BorderLayout.SOUTH);

    frame.setVisible(true);
  }
  
  public static void main(String[] args)
  {
    new CheckRadio();
  }
}