In this post, we will learn how to call a method in Java. This is a useful “chunk” of code that you can call from anywhere else in your program, thus preventing you from needing to write out ...

If you are calling a method on an existing object, you can use object::method rather than x -> object.method(x). Next, we’ll consider a more complex scenario for instance method references.

After reading this section, check out Method References in Java 8 (Toby Weston, February 2014) for more insight into method references in bound and unbound non-static method contexts.