ios - Call a static var in another class , in objective c -

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I try to get a static variable from a class so I log in to this file. 

  + (instancetype) Set token: (NSString *) aToken;

Login to the file. I do this 

  Fixed NSString * token; ....... + (instancetype) setToken: (NSString *) A token {token = [aoken copy]; Returned a token; }

So I can get the price 

  [login set token: token]

but I do not know How to get this value in the second category

Create a great method for it > Fixed will return the variable value

Add a signature to the Login.h file of that method. 

  + (NSString *) getUniqueToken;   
  Login. M  relevant method in class. 
 
  + (NSString *) getUniqueToken {return token; }  
 
 Because it is a class method, you can log in hardly with creating long class objects. 
 
 Call above method in another controller class, this token string. 
   [look like];

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