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 ...

Spring Cloud Function will attempt to detect the function from the function source. If you have a single function declared with @Bean in a Spring Boot app then that is the function that will be used.

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 ...