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La classe Runtime.exec() n'est pas des plus simples... L'API Shell (cf. http://blog.developpez.com/adiguba/p3035/java/5-0-tiger/runtime-exec-n-est-pas-des-plus-simple/) propose de simplifier son utilisation pour appeler des commandes systèmes.
RES is a pure Java based Open Source Cobol to Java translator. It creates maintainable Java code for a subset of VS Cobol syntax. It has been developed with JDK, JTB and Javacc.
Java Forker aims at providing a solution to the memory consumption of java Runtime.exec method under linux for really big vm like application servers.
It is a small vm that will do the fork and communicate back the two outputs from the exec command.