C++ Standard Library

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The C++ Standard Library can be categorized into two parts −

  • The Standard Function Library − This library consists of general-purpose,stand-alone functions that are not part of any class. The function library is inherited from C.

  • The Object Oriented Class Library − This is a collection of classes and associated functions.

Standard C++ Library incorporates all the Standard C libraries also, with small additions and changes to support type safety.

The Standard Function Library

The standard function library is divided into the following categories −

  • I/O,
  • String and character handling,
  • Mathematical,
  • Time, date, and localization,
  • Dynamic allocation,
  • Miscellaneous,
  • Wide-character functions,

The Object Oriented Class Library

Standard C++ Object Oriented Library defines an extensive set of classes that provide support for a number of common activities, including I/O, strings, and numeric processing. This library includes the following −

  • The Standard C++ I/O Classes
  • The String Class
  • The Numeric Classes
  • The STL Container Classes
  • The STL Algorithms
  • The STL Function Objects
  • The STL Iterators
  • The STL Allocators
  • The Localization library
  • Exception Handling Classes
  • Miscellaneous Support Library
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