GroovyLab
GroovyLab: Effective MATLAB-like scientific programming in Groovy
... libraries, as JLAPACK , Apache Common Maths , EJML , MTJ , NUMAL translation to Java , Numerical Recipes Java translation , Colt etc. Also, GroovyLab supports Computer Algebra based on the symja (http://code.google.com/p/symja/) project.
GiHub site:
https://github.com/sterglee/jlabgroovy