XML and Other Object Models

• So XML Web pages are natural XML specified objects but you can use XML as export of an Oracle database

• COM and CORBA define their interfaces in a specialized IDL (Interface Definition Language)

• Java defines its object interfaces in terms of Java the language

• But it does not matter if object is in text file, C (accessed via CORBA or COM), Oracle, Java or JavaScript; one can define interface in XML and map to particular realization

• So XML is Universal Object Specification

  • it may or may not be preferred object implementation

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