Week 1 (Saturday) - Questions

gistfile1.txt

Question 1
Answer: MVC - Model holds all the information (data, state) and logic the store this information. View is the presentation for those
Models. Any changes in their state are informed to the View so it can change and update their presentation. Controller is 
responsible to intermediate Model and View communication, when for example, a View needs to update a information stored in
the Model or when the Model needs to inform the View that an information is changed and needs to be updated in the View.

Question 2
Answer: An NSObject protocol allows multiple root classes to all have the same basic methods, and also makes it easy to 
declare a protocol which also includes basic functionality expected of any object. The NSObject class conforms to the 
NSObject protocol, bringing everything together.

Question 3
Answer: 
@interface LLShoutingPerson : LLPerson
-(instancetype)initWithLoudMessage:(NSString*)msg;
@end

@implementation LLShoutingPerson
-(instancetype)initWithLoudMessage:(NSString*)msg
{
  self = [super initWithMessage:msg];
  if(self)
  {
    _ivar_for_message = [msg uppercaseString];
  }
  return self;
}
@end