The executive committee for Java SE/EE has approved the new JSR-275 to add units/quantities to the Java platform (see JSR-275 results
This after review of the new JScience 2.0
(fully parameterized) units
module (JScience provides the current reference implementation for this JSR as well as the expert group community support, e.g. units at jscience dot dev dot java dot net mailing list).
I am more than ever convinced that JScience
is going to achieve its life-time goal to provide the most useful Java(TM) library for the scientific community.
Jean-Marie Dautelle (JScience project owner).