Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions. Programmers frequently need to ...

Java is one of the most in-demand programming languages today and is used for the Internet of Things, APIs, in big data technologies, e-commerce websites, scientific applications, and more. It's even ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Java developers have long desired the ability to quickly initialize contents of a List or Set.

Community driven content discussing all aspects of software development from DevOps to design patterns. The entry point of a standalone Java application is the main method or function. In the age of ...

Error handling, also called exception handling, is a big part of Java, but it’s also one of the more divisive elements. Exception handling allows a developer to ...

Copying objects is a common Java programming operation that has one serious trap. Here's how to avoid copying from an object reference and only copy the instance and values you want. Copying objects ...

Okay, I've got two objects. There's the Hand object, and the Finger object. These are fake. The mappings are correct, I believe, everything works fine usually, I think I'm just misunderstanding ...