What s the difference between int and int in C

Question

I am 90  sure I saw this answer on stackoverflow before  in fact I had never seen the  int   syntax before seeing it here  but no matter how I search I can t find the previous post  and it s driving me crazy   It s possible that I ve been eating the funny mushrooms by accident  but if I m not  can someone please point out the previous post if they can find it or re-explain it   My stackoverflow search-fu is apparently too low

User · Answer

the symbol   after the int means that it can be nullable    The   symbol is usually used in situations whereby the variable can accept a null or an integer or alternatively  return an integer or null    Hope the context of usage helps  In this way you are not restricted to solely dealing with integers

User · Answer

int  is the same thing as Nullable   It allows you to have  null  values in your int

User · Answer

you can use it when you expect a null value in your integer especially when you use CASTING ex   x   int y    if y   null then you will have an error   you have to use    x    int  y

User · Answer

int  is Nullable     MSDN  Using Nullable Types  C  Programming Guide

User · Answer

int  is shorthand for Nullable lt int gt    This may be the post you were looking for

User · Answer

Int cannot accept null  but if developer are using int  then you store null in int  like  int i   null     not accept  int  i   null     its working  mostly use for pagination in MVC Pagelist

User · Answer

int belongs to System ValueType and cannot have null as a value  When dealing with databases or other types where the elements can have a null value  it might be useful to check if the element is null  That is when int  comes into play  int  is a nullable type which can have values ranging from -2147483648 to 2147483648 and null   Reference  https   msdn microsoft com en-us library 1t3y8s4s aspx

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