What is the difference between 'ref' and 'out' parameters in CSharp? DotNet C# Question 64 of 100:
DotNet Interview Question 64 of 100:
What is the difference between 'ref' and 'out' parameters in CSharp?
Answer: Both 'ref' and 'out' keyword in CSharp are used for passing arguments within methods. The difference is that ref needs that the variable must be initialized before it passes to the method while out does not require the variable to be initialized before passing to a method.