NikolaZivkovicPackt

public async Task InitiateWaitTask()
{
    var delayTask = WaitAsync();
    delayTask.Wait();
}

private static async Task WaitAsync()
{
    await Task.Delay(1000);
}

NikolaZivkovicPackt

var tasks = new List<int>() { 1, 2, 3 }.Select(WaitThreeSeconds);
await Task.WhenAll(tasks);

NikolaZivkovicPackt

var listOfInts = new List<int>() { 1, 2, 3 };
var tasks = new List<Task>();

foreach (var integer in listOfInts)
{
    var task = WaitThreeSeconds(integer);
    tasks.Add(task);
}

await Task.WhenAll(tasks);

NikolaZivkovicPackt

private async Task WaitThreeSeconds(int param)
{
    Console.WriteLine($"{param} started ------ ({DateTime.Now:hh:mm:ss}) ---");
    await Task.Delay(3000);
    Console.WriteLine($"{ param} finished ------({ DateTime.Now:hh: mm: ss}) ---");
}

NikolaZivkovicPackt

var listOfInts = new List<int>() { 1, 2, 3 };

foreach (var integer in listOfInts)
{
    await WaitThreeSeconds(integer);
}