JDK Enhancement Proposal (JEP) 191 defines the Java Foreign Function Interface (FFI), which are interfaces that can bind native functions to Java methods and can manage blocks of native memory.

The Java function init also generates a Maven pom.xml file to build and test your function. The pom includes the Fn Java FDK runtime and the test libraries your function needs. Creating an Application ...

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 ...

The Java Function Invoker does not require any dependencies for simple request-reply functions. It only requires that your function implements the java.util.function.Function interface. Example of a ...

Method references in Java are part of the broader set of features introduced and enhanced in Java 8 and beyond. They are a concise way to refer to methods of classes or objects.

Java’s main function is void, which means it does not return any value when it completes. main – When the JVM starts a standalone application, the main method is the function that gets invoked. String ...

Per-Åke Minborg, consulting member of technical staff, Java Core Libraries at Oracle, presented Function and Memory Access in Pure Java at JavaOne 2025.Minborg kicked off his presentation with an ...

Azure Functions Core Tools, meanwhile, supports running and debugging of Java functions. Related content. analysis Europe is caught in a cloud dilemma. By David Linthicum. Jun 13, 2025 5 mins.