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What is the output of the following code snippet?
bool? a = null, b = null; var v = (a ?? true) & (b ?? false); Console.WriteLine(v);
A. True
B. False
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
The AND Operator
Using Nullable Types
Boolean Data Type