The abstract factory design is used to a set of related instances without specifying the concrete classes — it uses the factory method design pattern to create instances of classes.

The Factory design pattern is a simplified form of the Builder pattern. In essence, you would want to use the Builder design pattern when you need to create a complex object in a step by step manner.

The first design pattern I ever used was the Factory Method pattern. By adopting that pattern, I moved the code for creating my objects out of my constructors and into a separate method. That ...

Use Java method modifiers to avoid public method antipattern Follow best practices for Java method design, and don't allow one public class to call another. If you skipped this step, be prepared to ...