C# null check

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

Null check syntax c#

//Check if an object is null before calling a function using the ? operator.
//The ? operator is syntactic suger for the if block below:

//Using the ? operator
myObject?.MyFunc();

//Using an if block.
if (myObject != null)
{
  myObject.MyFunc();
}

C# null conditional

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

C# null check

if (name is null)
  {
    throw new ArgumentNullException(nameof(name));
  }

Source: thomasclaudiushuber.com

C# null check

public static int CountNumberOfSInName(string name)
{
  if (name == null)
  {
    throw new ArgumentNullException(nameof(name));
  }

  return name.Count(c => char.ToLower(c).Equals('s'));
}

Source: thomasclaudiushuber.com

Similar codes

1 vote246 views1 answer
Unity instantiate with name
C#Unity
0 vote232 views1 answer
C# xml comment type reference
C#
5 votes222 views2 answers
Unity or
C#
16 votes198 views4 answers
C# string replace
C#
1 vote231 views1 answer
What is type unity
C#
0 vote244 views1 answer
Meaning of ??= in c#
C#
2 votes246 views1 answer
Unity c# get direction of object
C#Unity
9 votes226 views1 answer
C# return two variables of different types
C#
0 vote246 views1 answer
How to tell visual studio that you're using unity
C#Unity
0 vote230 views10 answers
Netmath hack console
C#