Net 4.0 Framework [new] -

// 3. Using ConcurrentCollection (thread-safe) var concurrentBag = new System.Collections.Concurrent.ConcurrentBag<int>(); concurrentBag.Add(10); concurrentBag.Add(20);

// 2. Using Tuple Tuple<int, string, bool> person = Tuple.Create(1, "John Doe", true); Console.WriteLine($"ID: {person.Item1}, Name: {person.Item2}, Active: {person.Item3}"); net 4.0 framework

Here’s a short, ready-to-use code piece for (C#) that demonstrates a few common tasks supported in that version: // 2. Using Tuple Tuple&lt