public void display()
   {
        System.out.println("\n         -----> HOME <-------     ");
        System.out.println("   |------------------------------|");
        System.out.println("1. | Dairy Products and Breakfast |");
        System.out.println("   |------------------------------|");
        System.out.println("2. | Vegetables & fruits          |");
        System.out.println("   |------------------------------|");
        System.out.println("3. | Bakery Items                 |");
        System.out.println("   |------------------------------|");
        System.out.println("4. | Beer & Wine                  |");
        System.out.println("   |------------------------------|");
        System.out.println("(Please touch no. of button to Go to that page (e.g. touch(2)->Vegetables page)) \n");
        
    }