C# Collections

C# Collections are a set of classes and interfaces in the .NET Framework and .NET Core that provide data structures for storing and managing groups of objects, such as lists, dictionaries, queues, and sets. They are part of the System.Collections and System.Collections.Generic namespaces, offering both non-generic and type-safe generic implementations for efficient data manipulation. These collections support common operations like adding, removing, and iterating over elements, and are fundamental to building applications in C#.

Also known as: C# Collections Framework, CSharp Collections, DotNet Collections, System.Collections, C# Collection Classes

Why learn C# Collections?

Developers should learn C# Collections because they are essential for handling data in C# applications, enabling efficient storage, retrieval, and processing of objects in scenarios like managing user data, caching, or implementing algorithms. They are particularly useful in business applications, web services, and desktop software where structured data handling is required, and their generic versions provide type safety and performance benefits over non-generic alternatives.

Learning Resources

• docs: Microsoft Docs: Collections (C#)
• course: Pluralsight Course: C# Collections Fundamentals
• video: YouTube Tutorial: C# Collections Explained
• book: Book: C# in Depth by Jon Skeet (Collections Chapter)
• tutorial: TutorialsTeacher: C# Collections Tutorial