Remove duplicates from a list of strings?

Short answer: Remove duplicates from a list of strings var items = new List<string> { "apple", "Apple", "banana", "apple" var distinct = items .Distinct(StringComparer.OrdinalIgnoreCase); Remove duplicates from a list of strings var items = new List<string> { "apple", "Apple", "banana", "apple" var distinct = items… Distinct(StringComparer.OrdinalIgnoreCase); Remove… duplicates from a list of strings var items = new List<string>…

Explain a bit more

{ "apple", "Apple", "banana", "apple" var distinct = items .Distinct(StringComparer.OrdinalIgnoreCase); Remove duplicates from a list of strings var items = new List<string> { "apple", "Apple", "banana", "apple" var distinct = items… Distinct(StringComparer.OrdinalIgnoreCase);

Real-world example (ShopNest)

ShopNest uses LINQ to query orders: filter by date, project to a summary DTO, and order by total—readable C# that becomes SQL under EF Core.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.