C++ uses a convenient abstraction called streams to perform input and output operations in sequential media such as the screen or the keyboard. A stream is an object where a program can either insert or extract characters to/from it. We do not really need to care about many specifications about the physical media associated with the stream - we only need to know it will accept or provide characters sequentially. The standard C++ library includes the header file iostream, where the standard input and output stream objects are declared. Standard Output (cout) By default, the standard output of a program is the screen, and the C++ stream object defined to access it is cout. cout is used in conjunction with the insertion operator, which is written as
Posted on: Sat, 24 Aug 2013 11:25:05 +0000
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