/C#/C# what is a question mark after a data type

C# what is a question mark after a data type

Question mark after data type c#

Nullable types support a value type that can be assigned a null reference.

Nullable types can represent all the values of an underlying type, 
and an additional null value. Nullable types are declared in one of two ways:

( System.Nullable<T> variable )		or 		( T? variable  )

Source: grepper.com

Similar codes

0 vote143 views1 answer
Unity c# public all codes
C#
1 vote99 views2 answers
Lerp c#
C#
0 vote175 views1 answer
.net core System.InvalidOperationException: No service for type 'Microsoft.AspNetCore.Http.IHttpContextAccessor' has been registered
C#
-1 vote127 views1 answer
C# declaration definition
C#
0 vote165 views1 answer
Unity mousetoterrainposition
C#Unity
0 vote136 views1 answer
Unity occulision for hide something
C#
0 vote147 views1 answer
Unity get refresh rate
C#
0 vote127 views1 answer
Unity unfreeze position in script
C#
0 vote124 views1 answer
Asp.net mvc get current url in view
C#
4 votes202 views3 answers
Unity singleton
C#Unity