formatted data. For example, if the user needs to display the data in hexadecimal format, then the
manipulator can be used as follows.
cout<<hex<<15;
The above statement converts decimal 15 to hexadecimal F.
3.7 UNFORMATTED CONSOLE I/O OPERATIONS
Input and Output Streams
The input stream uses cin object to read data and the output stream uses cout object to display the
data on the screen. The cin and cout are pre-defined streams for input and output data. The data
type is identified by these functions using operator overloading of the operators << (insertion opera-
tor) and >> (extraction operator). The operator << is
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