using java array list to create these method

System.out.println("=========================================");

System.out.println(" Stock Management System : ");

System.out.println("=========================================");

System.out.println(" 1. Add Items into Pantry");

System.out.println(" 2. Delete Items from Pantry ");

System.out.println(" 3. Display Items from Pantry ");

System.out.println(" 4. Return Homepage ");

System.out.println(" Option :")