.NET 6 releases its version of PriorityQueue in C#(finally). Here is everything you need to know about the C# sorted data structures in coding question practice, including PriorityQueue, SortedDictionary, SortedList, and SortedSet — Practicing coding questions is a key part preparing technical interviews for junior, mid senior developers. I often got confused looking at various unreliable stack overflow answers. Here, we will talk about how to choose between them, how to write custom comparers and a common data structure combination for coding interview.