What Is Objective-C?
Objective-C is an object-oriented language: it supports hierarchies of substitutable types, message-passing between objects, and code reuse through inheritance. Objective-C adds these features to the familiar C programming language.
Because Objective-C is an extension of C, many properties of an Objective-C program depend on the underlying C development tools. Among these properties are:
· The size of scalar variables such as integers and floating-point numbers
· Allowed placement of scoped declarations
· Implicit type conversion and promotion
· Storage of string...