Java tutorial
import java.awt.BorderLayout; import java.awt.Container; import java.awt.GridLayout; import javax.swing.AbstractButton; import javax.swing.BorderFactory; import javax.swing.ButtonGroup; import javax.swing.JCheckBox; import javax.swing.JCheckBoxMenuItem; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JRadioButton; import javax.swing.JRadioButtonMenuItem; import javax.swing.JToggleButton; import javax.swing.border.Border; public class AButtonGroup { public static void main(String args[]) { JFrame frame = new JFrame("Button Group"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JPanel panel = new JPanel(new GridLayout(0, 1)); Border border = BorderFactory.createTitledBorder("Examples"); panel.setBorder(border); ButtonGroup group = new ButtonGroup(); AbstractButton abstract1 = new JToggleButton("Toggle Button"); panel.add(abstract1); group.add(abstract1); AbstractButton abstract2 = new JRadioButton("Radio Button"); panel.add(abstract2); group.add(abstract2); AbstractButton abstract3 = new JCheckBox("Check Box"); panel.add(abstract3); group.add(abstract3); AbstractButton abstract4 = new JRadioButtonMenuItem("Radio Button Menu Item"); panel.add(abstract4); group.add(abstract4); AbstractButton abstract5 = new JCheckBoxMenuItem("Check Box Menu Item"); panel.add(abstract5); group.add(abstract5); Container contentPane = frame.getContentPane(); contentPane.add(panel, BorderLayout.CENTER); frame.setSize(300, 200); frame.setVisible(true); } }