Wouldn’t it be nice if all Java classes that you use, including your own, lived up to their promises? In fact, wouldn’t it be nice if you actually knew exactly what a given class promises? If you ...

Java interfaces are different from classes, and it’s important to know how to use their special properties in your Java programs. This tutorial introduces the difference between classes and interfaces ...

Community driven content discussing all aspects of software development from DevOps to design patterns. There are only half a dozen classes you really need to master to become competent in the world ...

Java has long been a powerhouse programming language thanks to its portability, robustness and extensive ecosystem. However, one major challenge for Java developers is interoperation with native code.