Cover Page by Stephen G. Kochan

Safari, the world’s most comprehensive technology and business learning platform.

Find the exact information you need to solve a problem on the fly, or go deeper to master the technologies and skills you need to succeed

Start Free Trial

No credit card required

O'Reilly logo

9. Polymorphism, Dynamic Typing, and Dynamic Binding

In this chapter, you learn about the features of the Objective-C language that make it such a powerful programming language and that distinguish it from some other object-oriented programming languages such as C++. This chapter describes three key concepts: polymorphism, dynamic typing, and dynamic binding. Polymorphism enables programs to be developed so that objects from different classes can define methods that share the same name. Dynamic typing defers the determination of the class that an object belongs to until the program is executing. Dynamic binding defers the determination of the actual method to invoke on an object until program execution time.

Polymorphism: Same Name, Different ...

Find the exact information you need to solve a problem on the fly, or go deeper to master the technologies and skills you need to succeed

Start Free Trial

No credit card required