Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields ...

Sealed classes in Java let developers limit the creation and use of subclasses and preserve the class hierarchy. Here is how sealed classes in Java work.

Learn about serialization in Java with our comprehensive tutorial. We provide examples to help you understand how serialization works.

If you haven't used Java's JShell yet, you're missing out. Here's a quick Java and JShell tutorial to get you started.

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Object-oriented programming is a method of programming based on a hierarchy of classes, and well-defined and cooperating objects. This repository will document a variety of these concepts as well a ...

This post explains how to use classes in Java to build objects and organize your code. Also learn: constructors, static methods, and more!

The Kotlin vs Java debate is a new one, with each language having their own merits But what exactly makes them stand apart? That's what we aim to explore.