JMenuBar does not appear in JFrame

Question

SOLVED Forgot to instantiate my menuBar...

I have extended the class JMenuBar, and also the class JFrame. However, when I setJMenuBar(menubar), the MenuBar does not appear in the Frame when testing.

Here's my code:
Class Frame:

import javax.swing.JFrame;

public class Frame extends JFrame{

public static MenuBar menubar;

public Frame(){
    setTitle("LoL Teamcomps");
    setLocationRelativeTo(null);
    setDefaultCloseOperation(EXIT_ON_CLOSE);
    setJMenuBar(menubar);

}   

}

Class MenuBar:

import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import com.lolteamcomps.code.components.MenuItem;

public class MenuBar extends JMenuBar{

public MenuBar(){
    JMenuItem players = new JMenuItem("Players");
    JMenuItem champions = new JMenuItem("Champions");
    JMenuItem newPlayer = new JMenuItem("Add new");
    JMenuItem newChampion = new JMenuItem("Add new");

    players.add(newPlayer);
    champions.add(newChampion);

    add(players);
    add(champions);


}

}

And in my function called in my main:

private static Frame frame = new Frame(); 

public static void CreateWindow(){
    frame.pack();
    frame.setVisible(true);



}

Only an empty frame appears, with nothing in it. What am I doing wrong?

EDIT: My own thought was that setJMenuBar(menubar) won't work, because menubar is not a JMenuBar, but MenuBar extends JMenuBar, so in fact it is a JMenuBar, right? Also, I don't get an error at this line, so I don't think that is the case. Just a thought.

Answer 1

You need to instantiate MenuBar

public  MenuBar menubar=new MenuBar();

public Frame(){
 ....
 setJMenuBar(menubar);
}