/*
Java Swing, 2nd Edition
By Marc Loy, Robert Eckstein, Dave Wood, James Elliott, Brian Cole
ISBN: 0-596-00408-7
Publisher: O'Reilly
*/
// RootExample2.java
//Another example of interacting with the root pane. We set the menubar
//for the frame directly through the root pane in this example.
//
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JRootPane;
public class RootExample2 {
public static void main(String[] args) {
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JRootPane root = f.getRootPane();
// Create a menu bar
JMenuBar bar = new JMenuBar();
JMenu menu = new JMenu("File");
bar.add(menu);
menu.add("Open");
menu.add("Close");
root.setJMenuBar(bar);
// Add a button to the content pane
root.getContentPane().add(new JButton("Hello World"));
// Display the UI
f.pack();
f.setVisible(true);
}
}