MyMain

//package com.connect4;

import javafx.application.Application;
import javafx.application.Platform;
import javafx.fxml.FXMLLoader;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.Pane;
import javafx.scene.media.Media;
import javafx.scene.media.MediaPlayer;
import javafx.stage.Stage;

import java.io.File;

public class MyMain extends Application {

    private Controller controller;

    public static void main(String[] args) {

        launch(args);

    }

    @Override
    public void start(Stage primaryStage) throws Exception {
        FXMLLoader loader = new FXMLLoader(getClass().getResource("game.fxml"));
        GridPane rootGridPane = loader.load();

        controller = loader.getController();
        controller.createPlayground();

        MenuBar menuBar = createMenu();
        menuBar.prefWidthProperty().bind(primaryStage.widthProperty());

        Pane menuPane = (Pane) rootGridPane.getChildren().get(0);

        menuPane.getChildren().add(menuBar);

        Scene scene = new Scene(rootGridPane);

        primaryStage.setScene(scene);
        primaryStage.setTitle("Connect Four");
        primaryStage.setResizable(false);
        primaryStage.show();
    }

    private MenuBar createMenu() {
        //File Menu
        Menu fileMenu = new Menu("File");
        MenuItem newGame = new MenuItem("New Game");
        newGame.setOnAction(actionEvent -> controller.resetGame());

        MenuItem resetGame = new MenuItem("Reset Game");
        resetGame.setOnAction(actionEvent -> controller.resetGame());

        SeparatorMenuItem separatorMenuItem1 = new SeparatorMenuItem();
        MenuItem exitGame = new MenuItem("Exit Game");
        exitGame.setOnAction(actionEvent -> exitGame());

        fileMenu.getItems().addAll(newGame, resetGame, separatorMenuItem1, exitGame);

        //Help Menu
        Menu helpMenu = new Menu("Help");
        MenuItem aboutGame = new MenuItem("About Connect4");
        aboutGame.setOnAction(actionEvent -> aboutConnect4());

        SeparatorMenuItem separatorMenuItem2 = new SeparatorMenuItem();

        MenuItem aboutMe = new MenuItem("About Me");
        aboutMe.setOnAction(actionEvent -> aboutMe());

        helpMenu.getItems().addAll(aboutGame, separatorMenuItem2, aboutMe);

        MenuBar menuBar = new MenuBar();
        menuBar.getMenus().addAll(fileMenu, helpMenu);

        return menuBar;
    }

    private void exitGame() {
        Platform.exit();
        System.exit(0);
    }

    private void aboutMe() {
        Alert alert = new Alert(Alert.AlertType.INFORMATION);
        alert.setTitle("About the Developer");
        alert.setHeaderText("Prince Kumar");
        alert.setContentText("I am just coding for fun and learn");

        alert.show();
    }

    private void aboutConnect4() {
        Alert alert = new Alert(Alert.AlertType.INFORMATION);
        alert.setTitle("About Connect Four");
        alert.setHeaderText("How to Play");
        alert.setContentText("Connect Four is a two-player connection game in which the players first choose a color and" +
                "\n then take turns dropping colored discs from the top into a seven-column, six-row vertically suspended " +
                "\ngrid. The pieces fall straight down, occupying the next available space within the column. The objective" +
                "\nof the game is to be the first to form a horizontal, vertical, or diagonal line of four of one's own discs. " +
                "\nConnect Four is a solved game. The first player can always win by playing the right moves.");
        alert.show();
    }

}