private static void explicitTaskParallism()
{
    Thread.CurrentThread.Name = "Main";

    // Create a task and supply a user delegate by using a lambda expression. 
    Task taskA = new Task(() => Console.WriteLine($"Hello from task {nameof(taskA)}."));
    Task taskB = new Task(() => Console.WriteLine($"Hello from task {nameof(taskB)}."));

    // Start the task.
    taskA.Start();
    taskB.Start();

    // Output a message from the calling thread.
    Console.WriteLine("Hello from thread '{0}'.",
                      Thread.CurrentThread.Name);
    taskA.Wait();
    taskB.Wait();
    Console.Read();
}