access variable of another class

Question

How to access variables of other class? This is how I implemented it.

@interface Class1 :NSObject {
NSString *Data;
}
    @property (nonatomic, retain) NSString *Data;
    
    @implementation Class1
    @synthesize Data;
    someMethod{
    self.Data = @"something";
    }
    
and in Class2 :

    @implementation Class2
    someMethodOfClass2{
    Class1 *c=[[Class1 alloc]init];
    [c someMethod];
    NSString *str=c.Data;
}

I get c.Data as null in Class2. Am I doing anything wrong here?

-----------myClass1--------------

@interface APIManager : NSObject {
    NSString *Data;
}

@property (nonatomic, retain) NSString *Data;

-(void)getData;

@end

@implementation APIManager

@synthesize Data;

-(void)getData{
self.Data=@"response";
}

--------myClass2-------------

@interface Search : NSObject {
    
}

-(void)searchForItems:(NSString *)query;

@end

@implementation Search

-(void)searchForItems:(NSString *)query {
APIManager *apiManager=[[APIManager alloc]init];
[apiManager getData];
NSLog(@"%@",[apiManager Data]);
}

Answer 1

You should probably use self.Data = @"something" instead of self.Data = "something"