Daily Interview Questions #15 : What is the difference between the C# keywords ‘ref’ and ‘out’?

ref	out
Parameters passed with the prefix “ref”. By using “ref” C# implements the concept called “Call by reference”.	Parameters passed with the prefix “out”.
An argument passed by ref must be assigned with a value before the call.	‘out’ parameter must assigned with some value prior to the termination of the function.