In this article, we are going to examine new features added to iOS and OS X El Capitan main programminglanguages: the recently open sourced Swift and Objective-C.

Another Objective-C Class called NSDictionary can be used to load string files from disk or from a URL. An NSDictionary is essentially a set of key/value pairs much like an XML or .plist file.

It provides an AOT (ahead-of-time) compiler based on LLVM, C bindings, and an Objective-C bridge, which lays the foundation for pure-Java applications to be deployed on iOS.

The verbose programming language felt like a universal form of communication—until it didn’t.

Objective-C suffers all the warts you’d expect from a language built on C. To differentiate keywords and types from C types, Objective-C introduced new keywords using the @ symbol.

CodeWarrior for Mac OS, Version 8 adds support for the Cocoa application environment, an Objective C class library created by Apple that lets developers build native Mac OS X applications.