what is the meaning of ?? in c#
//the null-coalescing operator ?? returns the value of its left-hand operand if
//it isn't null; otherwise, it evaluates the right-hand operand and returns
//its result.what is the meaning of ?? in c#
//the null-coalescing operator ?? returns the value of its left-hand operand if
//it isn't null; otherwise, it evaluates the right-hand operand and returns
//its result.Copyright © 2021 Codeinu
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