Clash Royale CLAN TAG

Java Swing GUI in other classes

I'm currently working on my first Swing project in Java. I want to split my GUI into 3 seperate classes. My main class, TicTacToeGUI, and two others: MenuBar and Board.

TicTacToeGUI

MenuBar

Board

I have a problem with my menu. I can't figure out how to make it visible. The code is compiling but the menu is not showing.

TicTacToeGUI:

package TicTacToee;

import javax.swing.*;
import javax.swing.border.LineBorder;
import java.awt.*;

public class TicTacToeGUI {

public TicTacToeGUI() {
super();
Board board = new Board();
}

public static void main(String args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
TicTacToeGUI window = new TicTacToeGUI();
//window.frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
}


Board:

package TicTacToee;

import javax.swing.*;
import javax.swing.border.LineBorder;
import java.awt.*;

public class Board {

private JFrame frame;
private JButton board;

public Board(){
initializeBoard();
}

public void initializeBoard() {
frame = new JFrame();
frame.setTitle("Tic Tac Toe v0.1");
frame.setBounds(100, 100, 600, 600);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().setLayout(new BorderLayout(0, 0));
frame.setResizable(false);
//Creating MENU
MenuBar menuBar = new MenuBar();
frame.setJMenuBar(menuBar);
frame.setVisible(true);

//JPanel panel = new JPanel();
//panel.setBorder(new LineBorder(new Color(0, 0, 0), 2));
//frame.getContentPane().add(panel, BorderLayout.CENTER);
//panel.setLayout(new GridLayout(3, 3, 2, 2));


//board = new JButton[3][3];
}
}


MenuBar:

package TicTacToee;

import javax.swing.*;

public class MenuBar extends JMenuBar {

private JMenuBar menuBar;
private JMenu menu;
private JMenuItem newGame;
private JMenuItem quit;

public MenuBar(){
initializeMenuBar();
}

public void initializeMenuBar() {
//Create menu Bar
menuBar = new JMenuBar();

menu = new JMenu("MENU");
menuBar.add(menu);

newGame = new JMenuItem();
menu.add(newGame);
}
}


window.setJMenuBar(new MenuBar())

1 Answer
1

You aren’t extending JMenuBar correctly. Try something like this:

JMenuBar

public void initializeMenuBar(){

menu = new JMenu("MENU");
this.add(menu);

newGame = new JMenuItem();
menu.add(newGame);

}


or maybe

public void initializeMenuBar(){
//Create menu Bar
menuBar = new JMenuBar();

menu = new JMenu("MENU");
menuBar.add(menu);

newGame = new JMenuItem();
menu.add(newGame);

this = menuBar;

}


JMenuBar

.add()

By clicking "Post Your Answer", you acknowledge that you have read our updated terms of service, privacy policy and cookie policy, and that your continued use of the website is subject to these policies.