In the evolving world of Java, default methods have become a powerful tool in the language's arsenal. Introduced in Java 8, default methods allow interfaces to have concrete methods, providing a way to add new methods to interfaces without affecting the classes that implement them. This feature can significantly simplify code and offer more flexibility. But what exactly are default methods, and how can you effectively use them in your projects? In this article, we will delve into the practical aspects of default methods in Java. We will explore their definition, usage, benefits, and provide code examples and results to help you master this feature.