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iOS Objective-C Basics (Retired) Introduction to Objective-C Syntax Overview

Objective-C: "sane state"?

@ 3:20 http://teamtreehouse.com/library/objectivec-basics/introduction-to-objectivec/syntax-overview

What does he mean by the ball as "an instance of type Sphere in a sane state"?

1 Answer

Stone Preston
Stone Preston
42,016 Points

in this forum post Amit states:

In this case it means that a valid object is returned. The method alloc allocates memory for the object but does not initialize it. The method init initializes it to a valid state and sometimes even with some default values.