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 vote185 views1 answer
Integer required asp.net core
C#
0 vote200 views1 answer
Check the request comes from which operating system used by user in asp net core
C#
45 votes240 views6 answers
Unity C# random number
C#Unity
0 vote211 views1 answer
Unity get rid of mouse
C#
1 vote212 views1 answer
PlayerInputManager.JoinPlayer(....)
C#
0 vote214 views1 answer
C# statements
C#
0 vote239 views1 answer
Csharp attributes as generics constraints
C#
0 vote214 views1 answer
How unsort the data table options
C#
4 votes184 views1 answer
F string C#
C#
0 vote208 views2 answers
C# tryparse int
C#