Java tutorial
import java.awt.BorderLayout; import java.awt.Container; import javax.swing.Box; import javax.swing.ButtonGroup; import javax.swing.JCheckBox; import javax.swing.JFrame; import javax.swing.JRadioButton; public class TryBoxLayout { public static void main(String[] args) { JFrame aWindow = new JFrame("This is a Box Layout"); aWindow.setBounds(30, 30, 300, 300); aWindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // Create left column of radio buttons Box left = Box.createVerticalBox(); ButtonGroup radioGroup = new ButtonGroup(); JRadioButton rbutton; radioGroup.add(rbutton = new JRadioButton("Red")); left.add(rbutton); radioGroup.add(rbutton = new JRadioButton("Green")); left.add(rbutton); radioGroup.add(rbutton = new JRadioButton("Blue")); left.add(rbutton); radioGroup.add(rbutton = new JRadioButton("Yellow")); left.add(rbutton); Box right = Box.createVerticalBox(); right.add(new JCheckBox("A")); right.add(new JCheckBox("B")); right.add(new JCheckBox("C")); Box top = Box.createHorizontalBox(); top.add(left); top.add(right); Container content = aWindow.getContentPane(); content.setLayout(new BorderLayout()); content.add(top, BorderLayout.CENTER); aWindow.pack(); aWindow.setVisible(true); } }