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In addition to the.hfile that you generated in the previous step, you must also usejavahto generate a stubs file. The stubs file contains native language code that provides the glue that holds the Java class and its parallel native language structure together.To generate a stubs file use the
javah-stubsoption. Again remember to runjavahon the Java class.By default,
javahwill place the resulting stubs file in the same directory as the.classfile. You can use the-doption to forcejavahto put the generated stubs file in a different directory.Similar to the
.hfile thatjavahgenerates, the name of the stubs file is the class name with.cappended to the end. In the "Hello World!" example that you've been working with throughout this lesson, the stubs file is calledHelloWorld.c.For the moment, all you really need to know about the stubs file is that you will later compile it into the shared library that you create in Step 6: Create a Shared Library.
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