System Threading C# by API

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Runtime;
using System.Threading;
using System.Runtime.CompilerServices;
using System.Security;
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);
    }
}