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.

Indeed, in the first set of examples, the only reference types compared for equality with == that do NOT evaluate to true are those with an instance of the Long obtained using the new keyword to ...

Dot notation for package names The convention for packages is different from the Java naming conventions used for variables, methods and reference types. Packages are always written in lowercase ...