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A: The collections project provides a complete set of predicates including And and Or in the functor subpackage. However, for full functor based programming please consider using commons-functor at http://jakarta.apache.org/commons/sandbox/functor

Java 1.5 Support

Q: Does the collections project support any features of the new Java 1.5 language standard?

A: There is an unofficial release available at http://collections.sf.net which adds type safety to all classes that don't break the Java collections interfaces. There are a couple outstanding decisions to be made on how to convert some of the classes which do violate an interface, but for the most part it should be ready for use.

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Q: When will the commons-functor package "go live"?