Here's how to make classes, fields, methods, constructors, and objects work together in your Java programs.

Benefits of unnamed classes and instance main methods Instance main methods and unnamed classes, coming in Java 21, will forever change how developers learn Java and bootstrap applications. Why? They ...

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

Object-oriented systems are usually partitioned into layers of related responsibilities and only dependencies in one direction are allowed, from higher layers (more specific, less reusable) to lower ...

Welcome to the Java 101 study guide. This guide complements " Class and Object Initialization." It provides a glossary of terms specific to that article, new homework, solutions to last month's ...

If you're not familiar with object-oriented programming, some of the concepts can be hard to understand, especially if you're a longtime procedural language programmer. Follow along as we take a ...