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C++ In Action: Language


Polymorphic means multi-shaped. A tuner, a tape deck, a CD player--they come in different shapes but they all have the same audio-out jack. You can plug your earphones into it and listen to music no matter whether it came as a modulation of a carrier wave, a set of magnetic domains on a tape or a series of pits in the aluminum substrate on a plastic disk.


  1. The Meaning of is-a
  2. Parse Tree
  3. Exercises