Examples/java/index.html

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<title>SWIG:Examples:java</title>
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<H1>SWIG Java Examples</H1>

<p>
The following examples illustrate the use of SWIG with Java.

<ul>
<li><a href="simple/index.html">simple</a>.  A minimal example showing how SWIG can
be used to wrap a C function, a global variable, and a constant.
<li><a href="native/index.html">native</a>. Comparing the manual and the SWIG approach to calling native code.
<li><a href="typemap/index.html">typemap</a>. Modifying the Java module's default behaviour by using typemaps.
<li><a href="constants/index.html">constants</a>.  This shows how preprocessor macros and
certain C declarations are turned into constants.
<li><a href="variables/index.html">variables</a>. An example showing how to access C global variables.
<li><a href="enum/index.html">enum</a>. Wrapping enumerations.
<li><a href="class/index.html">class</a>. How to wrap a simple C++ class.
<li><a href="reference/index.html">reference</a>. C++ references.
<li><a href="pointer/index.html">pointer</a>. Simple pointer handling.
<li><a href="template/index.html">template</a>. C++ templates.
<li><a href="funcptr/index.html">funcptr</a>. Pointers to functions.
<li><a href="callback/index.html">callback</a>. C++ callbacks using directors.
<li><a href="extend/index.html">extend</a>. Polymorphism using directors.
</ul>

<h2>Running the examples</h2>
Please see the <a href="../../Doc/Manual/Windows.html">Windows</a> page in the main manual for information on using the examples on Windows. <p>

On Unix most of the examples work by making the Makefile before executing the program runme.java. The Makefile will output the swig generated JNI c code as well as the Java wrapper classes. Additionally the JNI c/c++ code is compiled into the shared object (dynamic link library) which is needed for dynamic linking to the native code. The Makefiles also compile the Java files using javac. 
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Ensure that the dynamic link library file is in the appropriate path before executing the Java program. For example in Unix, libexample.so must be in the LD_LIBRARY_PATH. 
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A Unix example:
<blockquote>
<pre>
$ make
$ export LD_LIBRARY_PATH=. #ksh 
$ java runme
</pre>
</blockquote>
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<h2>Compatibility</h2>

The examples have been extensively tested on the following platforms:

<ul>
<li>Solaris
<li>Linux
<li>Cygwin
<li>Windows
</ul>

Your mileage may vary.  If you experience a problem, please let us know by 
contacting us on the <a href="https://www.swig.org/mail.html">mailing lists</a>.
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