/* * A 1.4 application that uses SpringLayout to create a single row * of components, similar to that produced by a horizontal BoxLayout. * Other files required: SpringUtilities.java. */ import javax.swing.*; import java.awt.*; public class SpringBox { /** * Create the GUI and show it. For thread safety, * this method should be invoked from the * event-dispatching thread. */ private static void createAndShowGUI() { //Create and set up the window. JFrame frame = new JFrame("SpringBox"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //Set up the content pane. Container contentPane = frame.getContentPane(); contentPane.setLayout(new SpringLayout()); //Add the buttons. contentPane.add(new JButton("Button 1")); contentPane.add(new JButton("Button 2")); contentPane.add(new JButton("Button 3")); contentPane.add(new JButton("Long-Named Button 4")); contentPane.add(new JButton("5")); //Lay out the buttons in one row and as many columns //as necessary, with 6 pixels of padding all around. SpringUtilities.makeCompactGrid(contentPane, 1, contentPane.getComponentCount(), 6, 6, 6, 6); //Display the window. frame.pack(); frame.setVisible(true); } public static void main(String[] args) { //Schedule a job for the event-dispatching thread: //creating and showing this application's GUI. javax.swing.SwingUtilities.invokeLater(new Runnable() { public void run() { createAndShowGUI(); } }); } }