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Polymorphic Bean reference and Java polymorphism

Rajat Sharmanaive
Ranch Hand

Joined: Jun 30, 2011
Posts: 41


I posted this mistakenly at a wrong forum. Hope to get some help this time. Learning through HFSJ by K&B. Following is my query from the same.

The jsp standard action:
In the generated servlet, translates to:

Following are my 2 beans:

But i notice that the reference variable personBean which is of the superclass type is able to access (and set) the subclass bean functions like setEmpId() which are not overridden. From previous knowledge I understand that dynamic dispatch happens only for overridden functions. Is eveything fine here. Please throw some light.

Sincerely hoping this time I have posted it correctly

Rajat Sharma
Bear Bibeault
Author and ninkuma

Joined: Jan 10, 2002
Posts: 62139

Please do not post the same question more than once. This topic is closed.

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I agree. Here's the link:
subject: Polymorphic Bean reference and Java polymorphism