public int choosePlayer()
    {
        int option=0;
        
        do
        {
            System.out.println("1. Human");
            System.out.print("Your selection is: ");
            option = input.nextInt();
            
            if(option != 1 && option != 2)
                System.out.println("Invalid Selection! Try again");
        }
        while(option != 1 && option != 2);
        
        return option;
    }