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.

Reference objects aren't just useful when memory is at a premium; they can also be used to provide slick caching abilities to any application.

This Java naming conventions tutorial explains how and when to use snake, kebab, Pascal and camel case with variables, methods, functions and classes.

That rule’s Summary is that “Methods should not have too many parameters” and its description is: “This audit rule finds methods that have more than the specified number of parameters.