JNI allows the use of function libraries made in languages such as C, C++, VB from Java applications. The advantage of JNI is that you don't need to write the calling function definition in Java. This ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The entry point of a standalone Java application is the main method or function. In the age of ...

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You want Bar to be passed a function to call, but not use it on construction, only on the callbacks from the GUI widget. That function must end up being an actual method somewhere (it's Java, ...