Abstract
In an earlier article [5] we analyzed the problem of determining direct superclasses in Java and Java-like languages. We gave a specification of the problem showing that it closely reflects the requirements of [2]. We presented a non-deterministic algorithm and proved its correctness and completeness. This paper presents a deterministic algorithm which elaborates direct superclasses. The new algorithm is better for it presents all details of implementation and its cost seems lower than the cost of the non-deterministic algorithm. Another advantage of the proposed algorithm is error recovery. Should the algorithm report an error it continues its job and possibly reports more errors in one pass.
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