JEP 191 provides a Foreign Function Interface at the Java level, similar to JNA or JNR. It will allow easy access to native functions, and will manage native memory at the JVM level.

Any method you can conjure up takes an object and returns an object that fulfills the Java Function contract. How to use Java’s Function interface. For this Java Function interface example, we will ...

A class implements an interface by appending Java’s implements keyword followed by a comma-separated list of interface names to the class header, and by coding each interface method in the class.

This is an example of Java's Foreign Function Interface (FFI) working with C and C++ implementation. I was only able to get jextract working with struct.jextract was not working with class at the time ...

Java Supplier interface tutorial. As you can see, the code for the class that implements Java’s Supplier interface is fairly simple. The only requirements are the class declaration and the ...

Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs.

A Java interface to the Raspberry Pi pigpio library. Pigpio is a great library for accessing the GPIO pins and other inputs and outputs of a Raspberry Pi. Pigpio provides interfaces for C and Python.