Java Swing Tutorial - Java JMenu .setPopupMenuVisible (boolean b)








Syntax

JMenu.setPopupMenuVisible(boolean b) has the following syntax.

public void setPopupMenuVisible(boolean b)

Example

In the following code shows how to use JMenu.setPopupMenuVisible(boolean b) method.

//w  w w  .jav a  2  s  .  c  o m
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;

public class Main {
  public static void main(final String args[]) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JMenuBar menuBar = new JMenuBar();

    // File Menu, F - Mnemonic
    JMenu fileMenu = new JMenu("File");
    
    
    // File->New, N - Mnemonic
    JMenuItem newMenuItem = new JMenuItem("New");
    fileMenu.add(newMenuItem);

    frame.setJMenuBar(menuBar);
    frame.setSize(350, 250);
    frame.setVisible(true);
    
    fileMenu.setPopupMenuVisible(true);
  }
}