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 ...

The API consists of two main components: Foreign Function Interface (FFI): This part of the API allows Java programs to call functions written in native languages like C and C++.

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 ...