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Implementations of Genericty in Java
Published in Rensselaer Polytechnic Insitute's Computer Science Seminar
April 1999

Abstract

Although Java has wide spread acceptance as an object oriented programming language, one distinctive OO feature is missing, Genericity (or Parametric Types). In this paper the author presents an overview of the current state of Genericity in Java and outlines the basic requirements for a useable and sound implementation of Genericity for Java. The author reviews three proposed implementations of Genericity: GJ, NextGen, and PolyJ. Good design decisions and short-comings of the proposed solutions will be discussed as the implementations are compared to the defined requirements. The author concludes by providing an argument for the best proposed solution.

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