Objective-C is the language used by Apple and their developers to create iPhone, iPad, and Mac apps. It is also used by our developes when creating mobile apps.
It’s a superset of the C programming language and provides object-oriented capabilities and a dynamic runtime. Objective-C inherits the syntax, primitive types, and flow control statements of C and adds syntax for defining classes and methods. It also adds language-level support for object graph management and object literals while providing dynamic typing and binding, deferring many responsibilities until runtime.