This is a very common interview question where the interviewer will ask about Out and Ref keyword and basically want to know what is the difference between them. I have tried to explain it with an example.
Points to Remember :
Both keywords when used before method parameter, they get their value out from the method but ref keyword can take value of the parameter inside to method as well but out keyword cannot take any value inside the method we must initialize out parameter inside method before using it in case of out keyword.
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