Main.java

import javax.swing.*;
import javax.swing.plaf.ColorUIResource;
import java.awt.*;

import static javax.swing.UIManager.getCrossPlatformLookAndFeelClassName;

public class Main {
    /**
     * The Main function to start the game.
     * Don't make any changes here
     * @param args
     */
    public static void main(String[] args)
            throws UnsupportedLookAndFeelException, ClassNotFoundException, InstantiationException, IllegalAccessException {
            String crossPlatformLookAndFeelClassName = getCrossPlatformLookAndFeelClassName();
            UIManager.setLookAndFeel(
                getCrossPlatformLookAndFeelClassName());

        PlayableLogic gameLogic = new GameLogic();
        GUI_for_chess_like_games gui = new GUI_for_chess_like_games(gameLogic, "Vikings Chess Game");
        SwingUtilities.invokeLater(() -> {
            // Set the UIManager property to make the focus color transparent
            UIManager.put("Button.focus", new ColorUIResource(new Color(0, 0, 0, 0)));
            UIManager.put("Button.select", new ColorUIResource(new Color(0, 0, 0, 0)));
            gui.start();
        });
    }
}