Introduction to Objective C and iOS Swift

iOS Swift
iOS Swift
iOS Swift

iOS Swift

Objective C is a superset of C programming language which is the primary programming language for iOS and OS x. Objective C provides object oriented capabilities with dynamic runtime approach. It inherits the syntax, primitive type (data types), flow control statements and adds syntax for defining methods & classes. It adds language level support for object graphs and object literals while adding dynamic typing & binding deferring many responsibilities until run time.

In objective C, interface file is the one where the declaration of the class is done and the definition of the class is done in implementation file.

iOS Swift is the open source language with the goal to create best available languages for the users to use ranging from system programing languages. Swift language is having base libraries developed in Objective C language which means that swift also supports object oriented programming. Mainly swift language is designed to write and maintain programs easier for the developers.

Swift also have some features in it and one of the main feature it includes is that it make the code read and write much easier than other languages. Swift supports inferred types to make the code clean and less prone to mistakes, also it supports namespaces by eliminating headers. The most important features of swift are designed to work together to create a language which is more powerful and provide ease of use with more safety and security.

Some features of iOS swift language are as follows –

  • Tuples and multiple return values
  • In-built error handling
  • Generics
  • Functional programming patterns
  • Fast and concise iteration over a range or collection
  • Structs that support methods, extensions, and protocols
  • Advanced control flow with do, guard, defer, and repeat keywords

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