Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

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

For example, say you have a non-nested class (also known as a top-level class) that stores objects in a resizable array, followed by an iterator class that returns each object.

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 ...

Do you have a single class in your Java design that does too much and knows too much? If so, you've fallen into the God object antipattern. Here's a look at how to refactor your God object and ...