1. Why is Person *twit = [Person *twit]alloc init] yield local declaration error hides instance variable, but twit = [Person *twit]alloc init] works fine? Because Person *object = is used to declare the object for the first time. So if you call this line in your implementation code, it will give that warning. Whereas object = works fine because youre just alloc/initing an object after it has been declared in the h file…it must have been declared in the h file or in the imported Class Object File for it to work. 2. NSIndex & indexPath.row knows to get more elements in the array because we passed it a value for… Read More
Continue Reading