A programming language structure wherein the data and their associated processing ("methods") are defined as self-contained entities called "objects." Becoming popular in the early 1990s and the norm ...

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 ...

The word polymorphism comes from the Greek for “many forms.” Most Java developers associate the term with an object’s ability to magically execute correct method behavior at appropriate points in a ...