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What is the difference between the out and ref parameter modifiers?

April 26, 2017difference modifiers parameter REF

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What is the difference between the out and ref parameter modifiers?

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Both the out and ref modifiers are used in method arguments. And, both entail that the argument will be passed by reference. Ref – assignment is needed before passing to the function. Out – no assignment is required, but you must assign a value in which function this is passed.