whats the main difference b/w abstract class and pure abstract class?
whats the main difference b/w abstract class and pure abstract class?
There are pure abstract methods, but there are no pure abstract classes.
abstract class
A class whose role is to define a common interface for its subclasses, and which may not itself be instantiated. An abstract class may defer the implementation of some of its operations to its subclasses.
pure abstract class
An abstract class supplying no state or operation implementations. A pure abstract class solely defines an interface.
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