When Does Await Actually Wait

Program.cs

using System;
using System.Threading;
using System.Threading.Tasks;

namespace WhenDoesAwaitActuallyWait
{
    public class Program
    {
        public static void Main(string[] args)
        {
            Examples().Wait();

            Console.WriteLine("Press enter to quit");
            Console.ReadLine();
        }

        private static async Task Examples()
        {
            // EXAMPLE 1:  Await immediately at the start
            var result1 = await LongRunningTask("Task 1");
            var result2 = await LongRunningTask("Task 2");

            Console.WriteLine("Execution won't continue as we have awaited them immediately, so this only prints at the end");

            Console.WriteLine($"Results: {result1}, {result2}");

            // EXAMPLE 2: Await tasks individually at the end
            var task3 = LongRunningTask("Task 3");
            var task4 = LongRunningTask("Task 4");

            Console.WriteLine("Execution will continue unimpeded as they aren't awaited yet, this will print whilst these are running");

            var result3 = await task3;
            var result4 = await task4;

            Console.WriteLine($"Results: {result3}, {result4}");

            // EXAMPLE 3: Await tasks as a list at the end
            var result5 = LongRunningTask("Task 5");
            var result6 = LongRunningTask("Task 6");

            Console.WriteLine("Execution will continue unimpeded as they aren't awaited yet, this will print whilst these are running");

            await Task.WhenAll(new[] { result5, result6 });

            Console.WriteLine($"Results: {result5.Result}, {result6.Result}");
        }

        private static async Task<int> LongRunningTask(string identifier)
        {
            Console.WriteLine($"Started '{identifier}'");
            await Task.Delay(1000);
            Console.WriteLine($"Finished '{identifier}'");
            return await Task.FromResult(-1);
        }
    }
}

z-Output.txt

Started 'Task 1'
Finished 'Task 1'
Started 'Task 2'
Finished 'Task 2'
Execution won't continue as we have awaited them immediately, so this only prints at the end
Results: -1, -1
Started 'Task 3'
Started 'Task 4'
Execution will continue unimpeded as they aren't awaited yet, this will print whilst these are running
Finished 'Task 3'
Finished 'Task 4'
Results: -1, -1
Started 'Task 5'
Started 'Task 6'
Execution will continue unimpeded as they aren't awaited yet, this will print whilst these are running
Finished 'Task 6'
Finished 'Task 5'
Results: -1, -1
Press enter to quit