BitArrays Are Cool, C#

BitArrays Are Cool

//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

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

namespace Rextester
{
    public class Program
    {
        static Random Rand = new Random();
        public static void Main(string[] args)
        {
            //converting byte --> bool[] as bits of a byte
            byte val = (byte)Rand.Next(256);
            BitArray t = new BitArray(new byte[]{val});
            Console.WriteLine("The value is {0}", val);
            bool[] bits = new bool[8];
            t.CopyTo(bits, 0);
            if(!BitConverter.IsLittleEndian) Array.Reverse(bits); //IMPORTANT!
            
            //printing out the bit array as a binary number
            Console.Write("Binary: ");
            for (int x = 7; x >= 0; x--) Console.Write(bits[x] ? "1" : "0");
            Console.WriteLine();
            
            //various binary operations can be done to the bool[]
            if(bits[7]) Console.WriteLine("Top bit is set");
            
            //converting bool[] as bits --> byte
            byte[] temp = new byte[1];
            t.CopyTo(temp, 0);
            Console.WriteLine("The value is still {0}", temp[0]);
            
            
            
            //using BitConverter to get bytes representing various types
            int ival = Rand.Next();
            Console.WriteLine("\n\nThe new value is {0}", ival);
            byte[] ibytes = BitConverter.GetBytes(ival); //get the 4 bytes making up the integer
            Console.Write("Hex: ");
            for (int x = ibytes.Length - 1; x >= 0; x--) Console.Write(ibytes[x].ToString("x") + " "); //hexadecimal representation
            Console.WriteLine();
            Console.Write("Binary: ");
            for(int x = ibytes.Length - 1; x >= 0; x--)
            {
                t = new BitArray(new byte[]{ibytes[x]}); //you can convert more than one byte, but for simplicity I'm doing one at a time
                t.CopyTo(bits, 0);
                if(BitConverter.IsLittleEndian) Array.Reverse(bits); //IMPORTANT!
                foreach (bool bit in bits) Console.Write(bit ? "1" : "0");
                Console.Write(" ");
            }
            Console.WriteLine();
        }
    }
}


run \| edit \| history \| help	0