Thread creation

using System;/*from  j ava2s. c  o  m*/
using System.Runtime;
using System.Runtime.CompilerServices;
using System.Text;

public class MainClass
{
    public static void Main()
    {
        Thread paramThread = new Thread(ParameterizedWorkerOperation);
        paramThread.Start("Test");

        paramThread.Join();
    }
    private static void ParameterizedWorkerOperation(object o)
    {
        Console.WriteLine("Param worker: {0}", o);
    }
}

using System;//from  ja v  a 2  s.c  om
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Runtime;
using System.Runtime.CompilerServices;
using System.Security;
using System.Text;

public class MainClass
{
    public static void Main()
    {
        int threadCount = 5;
        Thread[] threads = new Thread[threadCount];

        for (int i = 0; i < threadCount; i++)
        {
            int idx = i;
            threads[i] = new Thread(delegate() { Console.WriteLine("Worker {0}", idx); });
        }

        Array.ForEach(threads, delegate(Thread t) { t.Start(); });
    }
}