This post explains how to call a method in Java. Learn how to define methods, call them from other classes, and pass arguments!

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 ...

Learn the four types of polymorphism in Java, then start using subtype polymorphism to execute different forms of the same Java method.

Java object serialization is a feature of the JDK that is far too often overlooked. When a developer puts together a prototype or cooks up a proof of concept, simply saving a serialized Java object to ...

The Java array size is set permanently when the array is initialized. The size or length count of an array in Java includes both null and non-null characters. Unlike the String and ArrayList, Java ...

Per-Åke Minborg, Consulting Member of Technical Staff, Java Core Libraries at Oracle, presented “Function and Memory Access in Pure Java” at JavaOne 2025. Minborg demonstrated how the Foreign ...