import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
public class Main {
static {
System.setProperty("apple.laf.useScreenMenuBar", "true");
}
public static void main(String[] args) {
JFrame frame = new JFrame("Menu Bar Demo");
JMenuBar bar = new JMenuBar();
JMenu fileMenu = new JMenu("File");
JMenu editMenu = new JMenu("Edit");
JMenu helpMenu = new JMenu("Help");
bar.add(fileMenu);
bar.add(editMenu);
bar.add(helpMenu);
frame.setSize(300, 150);
frame.setJMenuBar(bar);
frame.setVisible(true);
}
}