Java tutorial
import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import java.awt.Insets; 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 GridBagWithAnchor { public static void main(String[] args) { JFrame f = new JFrame("Demonstrates the use of anchor constraints"); JPanel p = new JPanel(new GridBagLayout()); p.setLayout(new GridBagLayout()); GridBagConstraints c = new GridBagConstraints(); c.insets = new Insets(2, 2, 2, 2); c.weighty = 1.0; c.weightx = 1.0; c.gridx = 0; c.gridy = 0; c.gridheight = 2; c.anchor = GridBagConstraints.NORTH; // place component on the North p.add(new JButton("Java"), c); c.gridx = 1; c.gridheight = 1; c.gridwidth = 2; c.anchor = GridBagConstraints.SOUTHWEST; p.add(new JButton("Source"), c); c.gridy = 1; c.gridwidth = 1; c.anchor = GridBagConstraints.CENTER; // remember to rest to center p.add(new JButton("and"), c); c.gridx = 2; p.add(new JButton("Support !!!"), c); 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(); } }