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Programming Help for Oberon-2 Programming

Introduction to Oberon-2 Programming Language

Oberon-2 Programming is an version of Oberonn programming laguge which has additional featuers then oberons.The additional features of Oberon-2 are limited reflection and object oriented programming facilities,reintroduction of FOR Loop from Module-2 and open arrays as pointer base types.It was developed by Niklaus Wirth and Hanspeter Mössenböck in 1991.It is influed by many languages like Pascal,Module-2,Oberon etc.

Example of Oberon-2 Programming Language


MODULE Lists;



    (*** declare global constants, types and variables ***)



    TYPE

        List*    = POINTER TO ListNode;

        ListNode = RECORD

            value : Integer;

            next  : List;

        END;



    (*** declare procedures ***)



    PROCEDURE (l : List) Add* (v : Integer);

    BEGIN

        IF l = NIL THEN

            NEW(l);             (* create record instance *)

            l.value := v

        ELSE

            l.next.Add(v)      (* recursive call to .add(n) *)

        END

    END Add;



    PROCEDURE (l : List) Get* () : Integer;

    VAR

        v : Integer;

    BEGIN

        IF l = NIL THEN

            RETURN 0           (* .get() must always return an INTEGER *)

        ELSE

            v := l.value;       (* this line will crash if l is NIL *)

            l := l.next;

            RETURN v

        END

    END Get;



END Lists.

How to learn Oberon-2 Programming Language

Tutorial or Books for learning Oberon-2 Programming Language:

Download Oberon-2 Programming software from Here !!

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