InfoWorld

Intro to the Observable design pattern

The Observable design pattern is used in many important Java APIs. One well-known example is a JButton that uses the ActionListener API to execute an action. In this example, we have an ActionListener ...
TheServerSide

Introduction to pattern matching in Java

Experienced Java developers are committed to continuous improvement. We always seek ways to make our code more readable, reliable and efficient. Java's evolution provides a steady stream of powerful ...
InfoWorld

Introduction to design patterns, Part 1: Design pattern history and classification

Get an overview of design patterns, then use what you've learned to evaluate whether the Composite pattern is a good choice for a particular Java use case Numerous strategies have been devised to ...
InfoQ

Java Feature Spotlight: Pattern Matching

Java SE 14 (March 2020) introduced a limited form of pattern matching as a preview feature, which becomes a permanent feature in Java SE 16 (March 2021). The first phase of pattern matching is limited ...
TheServerSide

Spring Loaded Observer Pattern

This article describes an easy process of implementing the observer pattern in the Spring framework (Spring Core). Also discussed in this article are a few of the Spring Core classes as well as an ...