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  3. <title>SWIG:Examples:java</title>
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  7. <H1>SWIG Java Examples</H1>
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  9. <p>
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  10. The following examples illustrate the use of SWIG with Java.
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  12. <ul>
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  13. <li><a href="simple/index.html">simple</a>.  A minimal example showing how SWIG can
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  14. be used to wrap a C function, a global variable, and a constant.
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  15. <li><a href="native/index.html">native</a>. Comparing the manual and the SWIG approach to calling native code.
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  16. <li><a href="typemap/index.html">typemap</a>. Modifying the Java module's default behaviour by using typemaps.
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  17. <li><a href="constants/index.html">constants</a>.  This shows how preprocessor macros and
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  18. certain C declarations are turned into constants.
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  19. <li><a href="variables/index.html">variables</a>. An example showing how to access C global variables.
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  20. <li><a href="enum/index.html">enum</a>. Wrapping enumerations.
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  21. <li><a href="class/index.html">class</a>. How to wrap a simple C++ class.
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  22. <li><a href="reference/index.html">reference</a>. C++ references.
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  23. <li><a href="pointer/index.html">pointer</a>. Simple pointer handling.
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  24. <li><a href="template/index.html">template</a>. C++ templates.
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  25. <li><a href="funcptr/index.html">funcptr</a>. Pointers to functions.
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  26. <li><a href="callback/index.html">callback</a>. C++ callbacks using directors.
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  27. <li><a href="extend/index.html">extend</a>. Polymorphism using directors.
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  28. </ul>
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  30. <h2>Running the examples</h2>
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  31. 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>
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  33. 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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  35. 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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  37. A Unix example:
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  39. <pre>
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  40. $ make
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  41. $ export LD_LIBRARY_PATH=. #ksh 
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  42. $ java runme
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  43. </pre>
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  49. <h2>Compatibility</h2>
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  51. The examples have been extensively tested on the following platforms:
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  54. <li>Solaris
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  55. <li>Linux
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  56. <li>Cygwin
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  57. <li>Windows
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  58. </ul>
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  60. Your mileage may vary.  If you experience a problem, please let us know by 
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  61. contacting us on the <a href="http://www.swig.org/mail.html">mailing lists</a>.
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