Swift is a new programming language developed by Apple for iOS and OS X development, introduced at Apple’s WWDC 2014.

This language will replace objective-C, the actual Apple’s object oriented language.

Swift and Objective-C code, as well C and C++, can be used in a single program.

Some differences from other “C-style” languages are:

  • Statements do not need to end with a semicolon
  • Header files are not required
  • No pointers exist
  • Variables and constants are always initialized

Swift has an innovative feature called Playgrounds that allow you to experiment Swift and see the result in real-time.

You can now download Apple’s free swift book on iTunes.

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