How does the following LINQ statement work?

Question

How does the following LINQ statement work?

Here is my code:

var list = new List{1,2,4,5,6};
var even = list.Where(m => m%2 == 0);
list.Add         


        

Answer 1

When you use an IEnumerable<> obtained from LINQ, only is created an Enumerator class and the iteration only start when you use it in some walk.