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Waveform Audio File Format  |  1993-11-02  |  264.2 KB  |  1 channel  |  11,025 sample rate  |  24 seconds
Transcription: Instead of creating a brand new class for each implementation of stacks, you could have a single base class that defines the standard interface that is the same for all stacks, regardless of how they are implemented. In this example, the class Stack is such an abstract base class. All of its member functions are pure virtual functions that will be given definitions in the derived classes.