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. The ?? operator doesn’t evaluate its right-hand operand if the left-hand operand evaluates to non-null. int? myValue = null; int result = myValue ?? -1; //result = -1; Syntax: p ?? q Here, p is […]