using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] arr1 = new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
            string FileName = "Evens.txt";
            DataSet<int, string> list = new DataSet<int, string>(arr1, FileName);
            list.WriteEven();
            list.WriteOdd();
            double[] arr2 = new double[] { 1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8, 9.9, 10.1 };
            string FileName2 = "Odds.txt";
            DataSet<double, string> list2 = new DataSet<double, string>(arr2, FileName2);
            list2.WriteEven();
            list2.WriteOdd();
        }
        class DataSet<T, U>
        {
            T[] array;
            U FileName;
            public DataSet(T[] arr, U name)
            {
                array = arr;
                FileName = name;
            }
            T _value;
            public DataSet(T t)
            {
                this._value = t;
            }

            public void WriteEven()
            {
                    FileStream outFile = new FileStream(FileName.ToString(), FileMode.Append, FileAccess.Write);
                    using (StreamWriter file = new StreamWriter(outFile))
                    for (int x = 0; x < array.Length; x++)
                    {
                        file.WriteLine(array[x]);
                        x++;
                    }
            }

            public void WriteOdd()
            {
                FileStream outFile = new FileStream(FileName.ToString(), FileMode.Append, FileAccess.Write);
                using (StreamWriter file = new StreamWriter(outFile))
                for (int x = 0; x < array.Length; x++)
                {
                    x++;
                    file.WriteLine(array[x]);
                }
            }
        }
    }
}
// Writer<int,string> list = new Writer<int, string>(arr, FileName);
// forgot to make a generic class,not passing through