Java tutorial
import java.awt.GridBagLayout; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.awt.event.WindowListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; public class SimpleGridBag { public static void main(String[] args) { JFrame f = new JFrame(); JPanel p = new JPanel(); p.setLayout(new GridBagLayout()); p.add(new JButton("Java")); p.add(new JButton("Source")); p.add(new JButton("and")); p.add(new JButton("Support.")); WindowListener wndCloser = new WindowAdapter() { public void windowClosing(WindowEvent e) { System.exit(0); } }; f.addWindowListener(wndCloser); f.getContentPane().add(p); f.setSize(600, 200); f.show(); } }