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C++ Language > Learn C++ Language > What is iostream.h?
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What is iostream.h?

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Software Developer, Expertise in Java/J2ee Technology.

It is a header file, which is needed to be included in C++ program to perform input output operations.
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IOSREAM.H IS A FILE NAME IN WHICH I=INPUT,O=OUTPUT,STREAM=SEQUENCE OF BYTES AND .H IS THE EXTENSION WHICH MEANS THE HEADER FILE.
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Tutor

C++ input/output streams are primarily defined by iostream , a header file that is part of the C++ standard library
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Tutor

In our programs, we use some builtin functionalities for standard input and output. We directly call them to be used in our program, we do not define it in our main file, we just include it at top of our main file. iostream.h is a header file that contains builtin functionalities for standard input...
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In our programs, we use some builtin functionalities for standard input and output. We directly call them to be used in our program, we do not define it in our main file, we just include it at top of our main file. iostream.h is a header file that contains builtin functionalities for standard input , output. you can create your own header files and you can use them in your program. read less
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btech mtech

Input related to our keyboard and output has a relation with display devices such as LED, LCD.
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Computer Programming Languages

The IOStream library was packaged with C++ for basic operations of input and output. The original IOStream library was nothing more than wrappers classes that called the stdio C library. The IOStream library was introduced to give an object oriented view of input and output. The IOStream library(header...
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The IOStream library was packaged with C++ for basic operations of input and output. The original IOStream library was nothing more than wrappers classes that called the stdio C library. The IOStream library was introduced to give an object oriented view of input and output. The IOStream library(header file iostream.h) defines three objects called cin, cout, and cerr. The cin object is an instance of the a class called istream. This class overrides the bit-wise right shift operator >> to perform inputs into various datatypes from standard input. The cout and cerr are instances of the class ostream. read less
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Teacher

Its a header file in C++ which contains input/output datatypes and variables in C++.
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M.C.A (Master of Computer Applications)

It is supporting api, which support when u write input and output functions.
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MCA

It is header file for c++
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Data Science, Machine Learning and Web Development Coach

It's an alternative to C programming language's stdio.h. iostream.h is implemented more in an object oriented manner. It provides the basic input output functions that you can use in your programs. Example: std::cout << "Hello, world!\n"; This statement will print Hello, world! however you must include...
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It's an alternative to C programming language's stdio.h. iostream.h is implemented more in an object oriented manner. It provides the basic input output functions that you can use in your programs. Example: std::cout << "Hello, world!\n"; This statement will print Hello, world! however you must include it (iostream) as the header of the C++ program. read less
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