JNI

from The Free On-line Dictionary of Computing (8 July 2008)

Java Native Interface
JNI

   <programming> (JNI) A {native} programming interface for
   {Java} that allows Java code running inside a {Java Virtual
   Machine} to interoperate with {applications} and {libraries}
   written in other programming languages such as {C}, {C++} and
   {assembly language}.

   (1997-12-07)