the abstract method we can't create object,only create from derived

what's the difference between abstract class and concreate
class? what's the meaning of standard template library(STL)?

Question Posted / siva rama krishna

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Answer Posted / siva rama krishna

the abstract method we can't create object,only create from
derived classes only that means which sub class have no
abstract method.then by using that object only call the
methods.

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