Programming in Objective-C, Sixth Edition

Summary

Now you know how to define your own class, create objects or instances of that class, and send messages to those objects. We return to the Fraction class in later chapters. You’ll learn how to pass multiple arguments to your methods, how to divide your class definitions into separate files, and also how to use key concepts such as inheritance and dynamic binding. However, now it’s time to learn more about data types and writing expressions in Objective-C. First, try the exercises that follow to test your understanding of the important points covered in this chapter.