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

0 vote339 views1 answer
System.random reuses numbers
C#
0 vote359 views1 answer
Set dirty a property unity custom inspector
C#Unity
13 votes373 views2 answers
How to acivate a game object unity
C#Unity
2 votes407 views1 answer
Unity run void from another script
C#Unity
0 vote348 views1 answer
C# mock ref parameter
C#
0 vote323 views3 answers
Finding holydays asp.net
C#
13 votes326 views6 answers
C# func
C#
1 vote300 views1 answer
{} is this used for code blocks in c#
C#
0 vote320 views1 answer
Cdn providers
C#
0 vote354 views1 answer
Wpf listboxitem event command
C#