This post explains how to call a method in Java. Learn how to define methods, ... then we recommend reading up on classes and objects over at the official Java Documentation from Oracle.

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.

Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields ...