iOS - 代码Review (三)

@interface Test : NSObject
@property (nonatomic, copy) NSString *firstName;
@property (nonatomic, copy) NSString *lastName;
@end


@implementation Test
- (NSString *)fullName {
    return [NSString stringWithFormat:@"%@ %@",self.firstName,self.latsName];
}

- (void)setFullName {
    NSArray *components = [fullName componentsSeparatedByString:@" "];
    self.firstName = [components objectAtIndex:0];
    self.lastName = [components objectAtIndex:1];
}    

@end

- (NSString *)fullName {
    return [NSStringWithFormat:@"%@ %@",_firstName,_lastName];
}

- (void)setFullName {
        NSArray *components = [fullName componentsSeparatedByString:@" "];
    _firstName = [components objectAtIndex:0];
    _lastName = [components objectAtIndex:1];
}