import javax.swing.JFrame; /* * A 1.4 application that extends SpinnerDemo to allow easy * execution of the demo with a cycling Months spinner. * Other files required: * SpinnerDemo.java * CyclingSpinnerListModel.java * SpringUtilities.java */ public class SpinnerDemo2 extends SpinnerDemo { public SpinnerDemo2() { super(true); //turn on cycling for the months spinner } /** * 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("SpinnerDemo2"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //Create and set up the content pane. SpinnerDemo2 newContentPane = new SpinnerDemo2(); newContentPane.setOpaque(true); //content panes must be opaque frame.setContentPane(newContentPane); //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(); } }); } }