Learn how to reduce program overhead and improve performance by controlling object creation and garbage collection Objects are a powerful software engineering construct, and Java uses them extensively ...

Method references are a shorthand way to write lambda expressions that call a single method. Rather than implementing a method in a functional interface, a method reference simply points to an ...

Object-oriented systems are usually partitioned into layers of related responsibilities and only dependencies in one direction are allowed, from higher layers (more specific, less reusable) to lower ...