What is Linq Any in C#? The C# Linq Any Operator is used to check whether at least one of the elements of a data source satisfies a given condition or not. If any of the elements satisfy the given condition, then it returns true else return false. It is also used to check whether a collection contains some data or not.

Is it better to use IEnumerable or list?

In terms of performance, the answer is it depends. If you need the results to be evaluated at once (say, you’re mutating the structures you’re querying later on, or if you don’t want the iteration over the IEnumerable<T> to take a long time) use a list. Else use an IEnumerable<T> .

Which Linq method allows you to specify the number of items to return in a sequence?

Repeat Method is used to generate a collection of IEnumerable<T> type with a specified number of elements and each element contains same specified value. Second Paramter “int count” represents-> Number of times needed to repeat the generated element of sequnce.