Zadatak 1 - Generic

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

namespace Vezba_04_2017
{
    class GenericStack<T>
    {
        private T[] a;
        private int count;

        public GenericStack()
        {
            a = new T[10];
            count = 0;
        }

        public bool IsEmpty
        {
            get { return count == 0; }
        }

        public void Push(T x)
        {
            if (count > a.Length)
                throw new InvalidOperationException("Ju kenot du dat, d stek iz ful");
            a[count] = x;
            count++;
        }

        public T Pop ()
        {
            if (IsEmpty)
                throw new InvalidOperationException("Stek iz empti");
            count--;
            return a[count];
        }

        public override string ToString()
        {
            StringBuilder sb = new StringBuilder();

            for (int i = count - 1; i >= 0; i--)
            {
                sb.AppendFormat("{0} ", a[i]);
            }

            return sb.ToString();
        }
    }
}