If You Can Answer These 15 .NET Concepts, You’re Ahead of the ✅Game
4 min readOct 24, 2024
Hello, .NET Developers!
In this article, we dive into 15 critical .NET and C# concepts that every developer must understand to become proficient in building robust applications.
It’s always good to test your knowledge, and I’ve included explanations and code examples to help you along the way.
If you can understand these concepts and examples, you’re doing quite well in .NET development!
1. Difference Between IEnumerable<T> and ICollection<T>
While writing logic in C#, developers often encounter IEnumerable<T>
and ICollection<T>
. Though similar, they serve different purposes:
- IEnumerable<T> allows iteration over a collection but does not permit modification of its elements.
- ICollection<T> extends
IEnumerable<T>
and allows modification, such as adding or removing elements.