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.

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.

With a basic understanding of these functional interfaces, you can easily master the other 35 or so functions because the remainder simply build on these five concepts. Just look at the various ...

Traditional Java 8 Predicate example. While the Java 8 Predicate is a functional interface, there's nothing to stop a developer from using it in a traditional manner.Here's a Java Predicate example ...

I’ll also briefly demonstrate nesting interfaces with static methods, also known as static method interfaces. More about Java interfaces. For an introduction to Java interfaces, ...