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JavaScript
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HTML
CSS
C
C++
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Popular Tutorials

C++ if...else Statement
C++ for Loop
Arrays in C++
Strings in C++
C++ Class & Objects
Start Learning C++ All C++ Tutorials

Reference Materials

iostream
cmath
cstring
ctime
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C++ <iostream>

The C++ <iostream> header file declares a set of functions for standard Input/Output. It also defines I/O stream objects such as cin, cout, clog, etc.

C++ cerr

Writes to error stream

C++ cin

accepts input from the user

C++ clog

used for streaming logs

C++ cout

displays output to output device i.e monitor

C++ wcin

accepts input in wide character type

C++ wcout

displays wide characters (Unicode) to screen