Java tutorial
// : c14:Box4.java // Rigid areas are like pairs of struts. // <applet code=Box4 width=450 height=300></applet> // From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002 // www.BruceEckel.com. See copyright notice in CopyRight.txt. import java.awt.Dimension; import javax.swing.Box; import javax.swing.JApplet; import javax.swing.JButton; import javax.swing.JFrame; public class Main extends JApplet { public void init() { Box bv = Box.createVerticalBox(); bv.add(new JButton("Top")); bv.add(Box.createRigidArea(new Dimension(120, 90))); bv.add(new JButton("Bottom")); Box bh = Box.createHorizontalBox(); bh.add(new JButton("Left")); bh.add(Box.createRigidArea(new Dimension(160, 80))); bh.add(new JButton("Right")); bv.add(bh); getContentPane().add(bv); } public static void main(String[] args) { run(new Main(), 450, 300); } public static void run(JApplet applet, int width, int height) { JFrame frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.getContentPane().add(applet); frame.setSize(width, height); applet.init(); applet.start(); frame.setVisible(true); } } ///:~