Since Java 21, wrapper classes have played an increasingly sophisticated role in Java’s type system. Here’s everything you ...

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 ...

Well-written Java programs have the mechanical elegance of well-written object-oriented code. The functionality is the result of interacting components, like gears in a machine.

Moving procedural libraries into object-oriented frameworks Porting procedural code, such as C, to an object-oriented framework can be overwhelming to architects new to object-oriented design.

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 ...