What is the purpose of the iostream header file in C++?
The iostream is the header file for the standard input/output stream library in C++. It provides classes and functions for input/output operations. By including the iostream header file, you can use input/output stream objects such as cin and cout, which represent standard input and standard output, allowing you to read input data from the console and output data to the console. Additionally, the iostream header file also includes other input/output stream objects like cerr and clog, used for error output and logging. Ultimately, the iostream header file is essential for input/output operations in C++.
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