Learn Python Interactively
Try for Free
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++ wcerr
prints to error stream as wide character type
C++ wcin
accepts input in wide character type
C++ wclog
writes to log stream with wide character
C++ wcout
displays wide characters (Unicode) to screen