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 ...

The Java tutorial Java 101: Classes and objects in Java introduces the fundamentals of Java classes and objects, including how to declare classes, describe attributes via fields, describe ...

Java is an object-oriented language, and Java constructors are how you create objects. Learn about object creation in this full Java constructor tutorial.

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

Java records are a new language feature that reduces verbosity and enables optimized runtime performance. This Java records tutorial shows how they work.