Create TestDLL.java and put below code : public class TestDLL { private native String getMsg(); // native ... DO NOT EDIT THIS FILE it is machine generated */ #include <jni.h> /* Header for class ...

When a Java program is executed, one or more class loaders locate and load all the classes that are needed to run the program. A Java class loader works by converting a class file into a Java ...

You can also produce the declaring code (Java has no header files) from the compiled class files. Those compiled class files can be distributed under any license you want (GPL Classpath exception).