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Abstract
base classes can help with this issue
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Because
if the methods from them are ever directly called
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you
will find out immediately that something is wrong
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The
intent, as with C++, is to create a common interface
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So
that the derived classes can express their uniqueness!
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All
derived class methods that match the signature of the
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base
class will be called using dynamic binding
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This
is created by making one or more abstract methods in
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the
base class:
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abstract
void func(); //with no body
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