LINQ

C# query operations for filtering, transforming, grouping, and ordering data.

What is LINQ in C#?

LINQ — C# query operations for filtering, transforming, grouping, and ordering data.

class NameFilter
{
    IEnumerable<string> ShortNames(IEnumerable<string> names)
    {
        return names
            .Where(name => name.Length < 5)
            .Select(name => name.ToUpper());
    }
}

Level: Freelancer · More C# terms at this level

Updated September 27, 2026