You can do much more with the general I/O problem than just take standard I/O and turn it into a class.
The iostreams classes are usually the first part of the C++ library that new C++ programmers learn to use. This chapter discusses how iostreams are an improvement over C’s stdio facilities and explores the behavior of file and string streams in addition to the standard console streams.

  The Standard C++ Library: IOStreams (24.6 KiB, 5,024 hits)