Below please find links to archived Q&A discussion for the Introduction to Classes course.
Introduction to Classes
Exercise 1.1: Why Use Classes?Exercise 1.2: Class SyntaxExercise 1.3: Classier ClassesExercise 1.4: Let's Not Get Too SelfishExercise 1.5: Instantiating Your First Object
Exercise 2.1: More on init() and selfExercise 2.2: Class ScopeExercise 2.3: A Methodical ApproachExercise 2.4: They're Multiplying!Exercise 2.5: It's Not All Animals and Fruits
Exercise 3.1: Warning: Here Be DragonsExercise 3.2: Inheritance SyntaxExercise 3.3: Override!Exercise 3.4: This Looks Like a Job For...
Exercise 4.1: Class BasicsExercise 4.2: Class It UpExercise 4.3: Instantiate an ObjectExercise 4.4: Inheritance