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  • Oberon-2 is an extension of the original Oberon programming language that adds limited reflection and object-oriented programming facilities, open arrays as pointer base types, read-only field export and reintroduces the FOR loop from Modula-2. It was developed in 1991 at ETH Zurich by Niklaus Wirth and Hanspeter Mössenböck, who is now at Institut für Systemsoftware of the University of Linz, Austria. Oberon-2 is a superset of Oberon, and is fully compatible with it. Oberon-2 was a redesign of Object Oberon. Oberon-2 inherited limited reflection and single inheritance without interfaces or mixins from Oberon, but added efficient virtual methods. Method calls were resolved at run-time using C++-style virtual method tables. Compared to fully object-oriented programming languages like Smalltalk, in Oberon-2 basic types are not objects, classes are not objects, many operations are not methods, there is no message passing, and polymorphism is limited to subclasses of a common class. Oberon-2 does not support encapsulation at object/class level, but modules can be used for this purpose. Wikipedia

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