c# null coalescing oposite code example

Example 1: c# 8 null coalescing assignment

// C# 8 null coalescing assignment operator:
a ??= b;
// the same as:
a = a ?? b;

Example 2: null coalescing operator c#

//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