• June 01, 2002 01 Jun'02

    Inheritance & EJBs

    In this article I'm going to show how to implement entity bean inheritance with three CMP EJBs: a "base class" PARTY EJB and two "derived class" EJBs: PERSON and CORPORATION. Furthermore, I'll demonstrate a polymorphic finder query and a couple of ...  Continue Reading

  • June 01, 2002 01 Jun'02

    JAXP: Coding for Parser & Transformer Independence

    This introductory article will educate developers about the JAXP API, and provide them with a strong understanding of the pluggability layer that will allow their applications to switch between parsers at will.  Continue Reading

  • June 01, 2002 01 Jun'02

    Inheritance & EJBs

    "Inheritance and EJBs" shows how entity EJBs can be used effectively to represent business objects with inheritance and polymorphic behavior. It shows you how to implement entity bean inheritance with three sample CMP EJBs, demonstrating a ...  Continue Reading

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