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What is the output of the following code snippet?
bool? a = false; Console.WriteLine(a ?? false);
A. False
B. True
The null-coalescing operator (??)
The null-coalescing operator has the following form: first_operand ?? second_operand; The operator returns the first_operand if it is not null; otherwise, it returns the second_operand.
Links:
The Null-coalescing Operator
Nullable Types
Using Nullable Types
Boolean Data Type