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Last Post by rajii93
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ioatream is a library, Standard Input / Output Streams Library. Header that defines the standard input/output stream objects like cerr, clog, cout or cin.

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The <iostream> library header is a header that defines several of the standard stream I/O classes and objects, including cin and cout. It is mainly used to include those two objects, and the classes they belond to (istream and ostream, respectively) in a source file.

This post explains in detail the role of header files in general, if you are unfamiliar with them.

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input output stream. Concerning the header, iostream is where your cin and cout objects are declared. In general, the iostreams library is C++'s character streaming I/O support mechanism.

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As every one said here the iostream stands for the input and output and their flow.For the use of the input and output in a program first we have to use this. #include<iostream> is an header file that is used in c++ in order to include the library files that are used for input and output.without using this header file one cannot deal with inputs and output in a particular program.

Edited by rajii93: this suits well

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