Collections

Question 1

What is yield used for in C#?

Answer 1

You use a yield return statement to return each element one at a time. The sequence returned from an iterator method can be consumed by using a foreach statement or LINQ query. Each iteration of the foreach loop calls the iterator method.

Question 2

What is the difference between yield and return in C#?

Answer 2

The only difference between yield and return is whenever a yield statement is encountered in a function, the execution of the function is suspended and a value is sent back to the caller, but because of the yield whenever the function is called again, the execution of the function begins where it left off previously.