isn"t inheriting abstract classes a necessary abstract method in an implementation?
an abstract subclass must implement all abstract methods in the abstract class, otherwise the subclass is also an abstract class.
isn"t inheriting abstract classes a necessary abstract method in an implementation?
an abstract subclass must implement all abstract methods in the abstract class, otherwise the subclass is also an abstract class.
because it has no abstract methods! Abstract classes do not have to contain abstract methods.
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I want to look at the source code of HttpSession session = request.getSession (); and want to know how to get the of the current session....