Department of Computer Science, University of Manitoba, Winnipeg, Manitoba, Canada
Last revised: October 23, 2003
Overview:
In this tutorial we illustrate how the Java Native Interface (JNI) can be used to permit
Java programs to communicate with C programs.  We begin by compiling the Java
program and the C program at the command prompt (i.e. outside of Eclipse) using the
MinGW gcc compiler.  Once the programs are compiled and executing correctly, we
show how the programs can be integrated into an Eclipse project using the CDT plugin.
Requirements:
The first portion of the tutorial makes the following assumptions:
- you are using Windows;
- you have installed Java and Eclipse;
- you have installed and setup the MinGW tools as described in the Eclipse
Project CDT Plugin Tutorial available from the University of Manitoba
(http://www.cs.umanitoba.ca/~eclipse/7-EclipseCpp.pdf
).
Note:  This tutorial makes use of code adapted from Sun!ˉs JNI tutorial which is located at
.  If you are
http://java.sun.com/docs/books/tutorial/native1.1/stepbystep/index.html
interested in learning more about the JNI, this is a useful site to visit.

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