Java tutorial
import java.awt.ComponentOrientation; import java.awt.Container; import java.awt.GridLayout; import javax.swing.JButton; import javax.swing.JFrame; public class GridLayoutDemo { public final static boolean RIGHT_TO_LEFT = false; public static void addComponentsToPane(Container pane) { if (RIGHT_TO_LEFT) { pane.setComponentOrientation(ComponentOrientation.RIGHT_TO_LEFT); } pane.setLayout(new GridLayout(0, 2)); pane.add(new JButton("Button 1")); pane.add(new JButton("Button 2")); pane.add(new JButton("Button 3")); pane.add(new JButton("Long-Named Button 4")); pane.add(new JButton("5")); } public static void main(String[] args) { JFrame frame = new JFrame("GridLayoutDemo"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); addComponentsToPane(frame.getContentPane()); frame.pack(); frame.setVisible(true); } }