objectAndTypes

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

class FileStreamReadLine
{
    static void Main()
    {
        object[] allTypes = { "Name", "NoName", "No-Name", 23, "naTe", "No-naTe", "Nema-naTe", 32, 12, 231,
                                0.0001f, (float)0.001, 12.0000001, 10.000000001,
                                0.00000000000000000001m, (decimal)1.00000000000000000001,
                                'a', 'b', 'c', 'd', (byte)1, (byte)2, (byte)3, 123L, 234L, (long)110, 222, 333L};

        string str = string.Empty;
        string concatChars = string.Empty;
        byte sumByte = 0;
        int sumInts = 0;
        long sumLongs = 0;
        float sumFloats = 0;
        double sumDoubles = 0;
        decimal sumDecimal = 0;

        for (int i = 0; i < allTypes.Length; i++)
        {
            if (allTypes[i] is string)
            {
                str += allTypes[i] + ", ";
            }
            else if (allTypes[i] is char)
            {
                concatChars += allTypes[i] + ";  ";
            }
            else if (allTypes[i] is byte)
            {
                sumByte += (byte)allTypes[i];
            }
            else if (allTypes[i] is int)
            {
                sumInts += (int)allTypes[i];
            }
            else if (allTypes[i] is long)
            {
                sumLongs += (long)allTypes[i];
            }
            else if (allTypes[i] is float)
            {
                sumFloats += (float)allTypes[i];
            }
            else if (allTypes[i] is double)
            {
                sumDoubles += (double)allTypes[i];
            }
            else if (allTypes[i] is decimal)
            {
                sumDecimal += (decimal)allTypes[i];
            }
            else
            {
                Console.WriteLine("{0} --> Unknown value!.?.!?", allTypes[i]);
            }
        }
        Console.WriteLine("Strings ==> {0}", str);
        Console.WriteLine("Chars ==> {0}", concatChars);
        Console.WriteLine("Sum of int values:   {0}", sumInts);
        Console.WriteLine("Sum of byte values:   {0}", sumByte);
        Console.WriteLine("Sum of long values:   {0}", sumLongs);
        Console.WriteLine("Sum of float values:   {0}", sumFloats);
        Console.WriteLine("Sum of double values:   {0}", sumDoubles);
        Console.WriteLine("Sum of decimal values:   {0}", sumDecimal);
    }
}