using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace RG_Assessment3
{
    class MyStack : IStackADT
    {
        //calling my variables
        private IntArrayList list1;


        //constructror
        public MyStack(IntArrayList list1)
        {
            this.list1 = new IntArrayList(20);
        }

        public Boolean IsFull()
        {
            return list1.isFull();
        }

        public void Display()
        {
            list1.display();
        }

        public void push(int value)
        {
            list1.addFirst();
        }

        public int pop()
        {
            return list1.removeLast();
        }

        public Boolean isEmpty()
        {
            return list1.isEmpty();
        }

        public int size()
        {
            return list1.size();
        }

    }
}