csharp null accessor

Code Example - csharp null accessor

                        int? length = people?.Length; // null if people is null

null coalescing operator csharp

                                //the null coalescing operator for c# is ??
int? x = null;
int y = 9;
return x ?? y; 
//Will return the value of x if x is not null else return y

csharp null conditional

                                //Return stirng representation of nullable DateTime
DateTime? x = null;
return x.HasValue == true ? x.Value.ToString() : "No Date";