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Waveform Audio File Format  |  1993-11-25  |  253.8 KB  |  1 channel  |  11,025 sample rate  |  23 seconds
Transcription: One of the most elegant features of C++ classes is the ability to overload the building operators so that objects of user-defined types can be manipulated much like objects of built-in types. Here, the overloaded output operator is declared to be a friend. The first argument of this operator is an output stream and its second argument is a fraction object.