12. Quantify Data

Question 1

What does the Any method do?

Answer 1

It has two overloads.

1. The first one is with no parameters and returns a bool indicating whether the sequence is empty or not.
2. The second one takes a predicate function as a parameter and returns a bool indicating whether the sequence contains any item that returns true for this predicate.

Question 2

What does the Contains method do?

Answer 2

Returns a bool indicating whether a specific item is contained in a given sequence.

Question 3

what does the All method do?

Answer 3

Returns a bool indicating whether all items in the given sequence matches the predicate that’s passed to it.