iOS - กำลังทำความเข้าใจกับกับ Memory Leak, Zombie เกี่ยวกับการ Retain ของตัวแปรครับ

@interface PeopleView: UIVIew

@property (nonatomic, strong) NSString *name;
+(id)peopleWithName: (NSString *)name;
- (id)initWithName: (NSString *)name;
@end

@implementation PeopleView
+(id)peopleWithName: (NSString *)name
{
   return [[[self class] alloc] initWithName: name];
}
-(id)initWithName: (NSString *)name
{
   self = [super initWithFrame...]
   if ( self )
  {
      self.name = name;
  }
   return self;
}
@end

@interface PeopleView: UIVIew
-(NSString)getName;
-(void)setName: (NSString *)name
@end

@implementation PeopleView
{
   NSString _name;
}
+(id)peopleWithName: (NSString *)name
{
   return [[[self class] alloc] initWithName: name];
}

-(id)initWithName: (NSString *)name
{
   self = [super initWithFrame...]
   if ( self )
  {
      _name = name;
  }
   return false;
}
-(NSString)getName
{
   return _name;
}
-(void)setName: (NSString *)name
{
   _name = name;
}
@end