Although design patterns used for software design trace their beginning to A Pattern Language, this architectural work was influenced by the then-emerging language to describe computer programming ...

Design patterns help promote easier program changes and object reusability. Loosely coupled objects are easier to reuse and change. Keeping objects small and specialized promotes loose coupling.

The Observable design pattern is found in many Java APIs and in reactive programming. Here's an introduction to the timeless Observable pattern in Java.

Object-Oriented Programming (OOP): A programming paradigm centred on the use of objects and classes to structure software, fundamental to the application of many design patterns.

Centerus Inc., a US-based software engineering company, will give a seminar on design patterns on June 23, from 8 a.m. to 5 p.m., at the Golden Prince Hotel in Cebu City.