C++ All-in-One For Dummies
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In C++, a header file holds forward declarations of identifiers. Here are some of the most common C++ header files that you’ll be using, along with their correct spellings. These aren’t by any means all of them, but they are the most common:

  • Include if you’re going to be using the string class.

  • Include when you want to use cout and cin.

  • Include when you want to read or write files.

  • Include if you want advanced manipulator usage in your streams.

  • Include for general operations, including system(“PAUSE”).

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John Mueller has published more than 100 books on technology, data, and programming. John has a website and blog where he writes articles on technology and offers assistance alongside his published books.

Luca Massaron is a data scientist specializing in insurance and finance. A Google Developer Expert in machine learning, he has been involved in quantitative analysis and algorithms since 2000.

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