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 ...

A tutorial highlighting the various design patterns in Java. Learn about the benefits and different types of design patterns.

Do you have a single class in your Java design that does too much and knows too much? If so, you've fallen into the God object antipattern. Here's a look at how to refactor your God object and ...

This class does not focus on object-oriented programming; however, we will examine many examples of object-oriented systems written in Java, Python, and other languages. A primary focus will be the ...