"Expected a type" error Objective C

I've asked questions on here so many times about this ruddy game that I'm trying to make. I'm working on a Text-Based adventure game. First I made it in Java because that's what I was learning the the class the game was for. Now I'm trying to learn iOS development which requires objective-c. I feel pretty comfortable with objective c after taking the Lynda Essentials course (The previous experience with Java helped of course). Anyways I'm working on this game and I'm running into a problem that seems pretty unique to objective c. In Java when I have multiple classes they just need to be in the same directory in order for me to use them in other classes. This is not the case in Objective-C... I have to import the header files if I want to use class A in class B. Well for this game I have two custom classes, a Location class and an Exit class. The Location class needs to know about what Exits it has (So I have to import Exit.h if I want to use them) and the exits need to know which location it's connected to (So I have to import Location.h). It seems that I can't do this because of something called Circular Referencing (or something like that). However, if I don't do this then I get an "Expected a type" error. So I have no idea what to do. I'll show the code below. Exit.h ``` #import <Foundation/Foundation.h> #import "Location.h" #define NORTH 0 #define SOUTH 1 #define EAST 2 #define WEST 3 @interface Exit : NSObject @property NSString * dirName; @property NSString * dirShortName; @property int direction; @property Location * connection; -(id)initWithConnection:(Location *) loc andDirection:(int) dir; @end ``` Exit.m ``` #import "Exit.h" @implementation Exit @synthesize dirName; @synthesize dirShortName; @synthesize direction; @synthesize connection; -(id)initWithConnection:(Location *)loc andDirection:(int)dir { self = [super init]; if(self) { direction = dir; switch(direction) { case 0: dirName = @"North"; dirShortName = @"N"; break; case 1: dirName = @"South"; dirShortName = @"S"; break; case 2: dirName = @"East"; dirShortName = @"E"; break; case 3: dirName = @"West"; dirShortName = @"W"; break; } connection = loc; } return self; } @end ``` Location.h ``` #import <Foundation/Foundation.h> @interface Location : NSObject @property NSString * title; @property NSString * desc; @property NSMutableDictionary * exits; @property BOOL final; -(id) initWithTitle:(NSString *) _title; -(id) initWithDescription:(NSString *) _desc; -(id) initWithTitle:(NSString *) _title andDescription:(NSString *) _desc; -(void) addExit:(Exit *) _exit; @end ``` Location.m ``` #import "Location.h" @implementation Location @synthesize title; @synthesize desc; @synthesize exits; @synthesize final; -(void) addExit:(Exit *) _exit { NSString * tmpName = [_exit dirName]; NSString * tmpShortName = [_exit dirShortName]; [exits setObject:tmpName forKey:tmpShortName]; } -(NSString *)description { NSString * tmp = [[NSString alloc] initWithFormat:@"%@\n%@\n",self.title,self.desc]; for(NSString * s in exits) { [tmp stringByAppendingFormat:@"\n%@",s]; } return tmp; } // Initialization Methods -(id) init { self = [super init]; if(self) { title = @""; desc = @""; } return self; } -(id) initWithTitle:(NSString *) _title { self = [super init]; if(self) { title = title; desc = @""; exits = [[NSMutableDictionary alloc] initWithObjectsAndKeys:nil]; } return self; } -(id) initWithDescription:(NSString *) _desc { self = [super init]; if(self) { title = @""; desc = desc; exits = [[NSMutableDictionary alloc] initWithObjectsAndKeys:nil]; } return self; } -(id)initWithTitle:(NSString *) _title andDescription:(NSString *)_desc { self = [super init]; if(self) { title = title; desc = desc; exits = [[NSMutableDictionary alloc] initWithObjectsAndKeys:nil]; } return self; } @end ``` I'm really hoping I'm not trying to do something that's impossible. I also hope my code can be made sense of and I'm not making too much of a fool of myself here ;) thanks for any advice.