InfoWorld

Inheritance in Java, Part 2: Object and its methods

Download the source code for example applications in this tutorial. Created by Jeff Friesen. We’ll look at each of these methods and how you can use them to perform special tasks in the context of ...
InfoWorld

Adding Common Methods to JAXB-Generated Classes (Separate Class/Groovy Categories)

I have previously discussed using JAXB2 Basic Plugins to add common methods to JAXB-generated Java classes. In this blog post, I look at another approach for performing the same behaviors on ...
TheServerSide

Use sealed classes in Java to control your inheritance

Imagine you are an expert object-oriented Java developer who meticulously crafts code the way an artist cares for their masterpiece. You believe clean code is an absolute necessity. Classes with clear ...
EDN

Java Essentials for Embedded Networked Devices – Part 3: Errors, exceptions and exception handling

An exception, simply put, is something going wrong during the course of program execution. Exception handling is the term used to describe how the program will deal with these exceptions. When an ...
TheServerSide

User input and Java's JOptionPane example

The best way to teach the concept of Java user input to new software developers is to show them how to use the highly visual and user-friendly JOptionPane class from the Swing package. With one simple ...