We discuss some of the most common design patterns in Java and how they can help you solve common coding issues. Learn more. A design pattern is a well-established and documented solution to a ...

In this Java code challenge, you’ll learn about the Command design pattern and see several examples of the pattern in practice. I will also discuss how the Command pattern implements two core ...

Consider a simple example below: Basically ComponentA depends on ComponentB. To enable unit-testing class ComponentAImpl, the implementation of interface ComponentB must be injected into ...

Another challenge for new Java developers is that the Gang of Four patterns spring from object-oriented programming, with examples based on C++ and Smalltalk, not Java code.