C++ iostream Library (Standard Input / Output Streams)
C++ iostream objects
The <iostream> library provides objects which can read user input and output data to the console or to a file.
A list of all iostream objects can be found in the table below.
| Object | Description | 
|---|---|
| cerr | An output stream for error messages | 
| clog | An output stream to log program information | 
| cin | An input stream that reads keyboard input from the console by default | 
| cout | An output stream which writes output to the console by default | 
| wcerr | The same as cerr but outputs wide char ( wchar_t) data rather thanchardata | 
| wclog | The same as clog but outputs wide char ( wchar_t) data rather thanchardata | 
| wcin | The same as cin but interprets each input character as a wide char ( wchar_t) | 
| wcout | The same as cout but outputs wide char ( wchar_t) data rather thanchardata | 
 
