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.

The java.util.function.Consumer class has one non-default method named accept which takes a single object as its argument and has a void return type. java.util.function.Consumer<T> Consumer function ...

As normal Azure Function development using Java, you can still use the @FunctionName annotation to make a method become an Azure Function that the HTTP request will trigger.