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!

Developers who create a runnable Java class, be it for a ‘Hello World’ demonstration or to kick off a fully featured enterprise application, will enjoy the following technical benefits when using ...

Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs.

Starting with JDK 1.1, Java provided the ability to create nested classes. A nested class is defined inside another class. There are two types of nested classes: static nested classes and inner ...

In Java, you can have a section of code inside a class definition that looks like this:code: static { // statements go here }and the statements will be executed when the class is loaded (sort of ...

Java static code analysis tools such as Checkstyle, FindBugs and others can parse your code to identify potential problems. Java developers should make code analysis a key part of the development ...