http://www.nag.com/IndustryArticles/CallingCLibraryRoutinesfromJava.pdf
Use : Java Native Interface (JNI)
-
+String :
+http://java.sun.com/developer/onlineTraining/Programming/JDCBook/jnistring.html
+http://java.sun.com/docs/books/jni/html/objtypes.html