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.

Java object references are passed by value All object references in Java are passed by value. This means that a copy of the value will be passed to a method.

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 ...