using System;
using System.Collections.Generic;
using System.Text;

namespace CSharpUnitTesting
{
    public class Adder
    {
        // Attributes
        private int _result;

        // Constructors
        public Adder()
        {
            _result = 0;
        }

        // Properties

        // Methods
        public void AddNumber(int number)
        {
            _result = _result + number;
        }

        public int GetResult()
        {
            return _result;
        }
    }
}