Java Resources

Java: Immortal Objects and Object Resurrection

Learn how to make immortal Java objects by resurrecting objects that are about to be removed by Java's Garbage Collector. By using object resurrection, you can make your objects live as long as you want, without changing the applications that are using your objects.

April 5, 2016

by Per-Åke Minborg

· 19,296 Views · 14 Likes

The Importance of Immutability in Java

We all know immutability is important, but do you know why or how to achieve it in Java? This post is a one stop shop guide to the challenge.

April 5, 2016

by Sam Atkinson

· 35,581 Views · 27 Likes

Transforming Collections — Java 8 Collectors API

A tutorial on how to use collector methods and APIs in Java 8.

April 3, 2016

by Dusan Odalovic

· 12,448 Views · 5 Likes

Web-based Java Swing Kiosk Application

In this article, we will show how to create a cross-desktop kiosk application that runs on Windows, Linux, and Mac OS X, and displays modern web content using Java Swing GUI Toolkit and our library based on the Chromium engine—JxBrowser.

April 2, 2016

by Vladimir Ikryanov

· 17,511 Views · 4 Likes

Writing One-liners in Java 8

Learn how to write "one-liners" in Java 8, and no, we're not talking bad jokes here.

March 31, 2016

by Ganesh Samarthyam

· 16,146 Views · 4 Likes

Memcached - A Distributed Memory Object Caching System

Here's an overview of memcached: what it is, why it's valuable, and more!

March 30, 2016

by Siva Prasad Rao Janapati

· 20,915 Views · 4 Likes

LOG4J 2 Configuration: Using JSON

Learn how to properly configure Log4J 2 using JSON, from Maven dependencies to creating a logger.

March 29, 2016

by John Thompson

· 11,364 Views · 3 Likes

A Geospatial Messenger With Kotlin, Spring Boot and PostgreSQL

Sebastien Deleuze brings use through a sample application using some essential technologies and written in Kotlin.

March 29, 2016

by Pieter Humphrey

CORE

· 10,685 Views · 2 Likes

Spring initBinder for Handling Large List of Java Objects

Java developers face a slew of problems. Here's a look at probing a Spring MVC features that devs may require for apps.

March 25, 2016

by Nitin Prabhu

· 38,463 Views · 10 Likes

Who Are the Java EE Guardians and Why Should You Care?

An ex-Oracle Java Evangelist has been instrumental in creating the new Java EE Guardians group. But what are their goals, and who are they?

March 24, 2016

by Dave Fecak

· 18,184 Views · 15 Likes

Comparison of Asynchronous Messaging Technologies: JMS, AMQP, and MQTT

A comparison of three different IoT messaging protocols by DZone user Chanaka Fernando.

March 17, 2016

by Chanaka Fernando

CORE

· 49,613 Views · 17 Likes

Dealing With the Diamond Problem in Java

How to solve the issues that arise from interfaces or classes that extend multiple interfaces in Java.

March 17, 2016

by Hari Kiran G

· 69,643 Views · 19 Likes

Jcmd: One Jdk Command-Line Tool to Rule Them All

Jcmd is a comprehensive JDK tool. Learn why it may be the definitive command-line tool in this great overview.

March 16, 2016

by Dustin Marx

· 31,803 Views · 5 Likes

Structurizr for .Net

Create detailed architecture models by writing Java or C# code with a web-based software architecture tool called Structurizr.

March 15, 2016

by Simon Brown

· 4,718 Views · 1 Like

Java Multimaps With Redis

Redis server provides many popular data structures like map, list, set... In practice, however, you may face more complicated requirements, such as storing several values per key, for example. The best practice for that would be implementing the Multimap.

March 14, 2016

by Nikita Koksharov

· 18,433 Views · 8 Likes

Simplicity and Value of HotSpot's -XshowSettings Flag

The HotSpot JVM flat is a Java launcher option, and has a neat feature, XshowSettings. Here's an overview of this flag, and how to use it.

March 10, 2016

by Dustin Marx

· 11,756 Views · 4 Likes

A Quick Primer on Microservices

The post you've all been waiting for: a from-the-beginning explanation of what Microservices are and why you should care.

March 10, 2016

by Omed Habib

· 13,408 Views · 6 Likes

JavaServer Faces 2.3 Quick Reference

JSR 372 is currently in the Early Draft Review stage. The JSF 2.3 spec is not complete and will likely change significantly before finalization. In the meantime, here's a pragmatic deep-dive into JSF 2.3 in its current state.

March 9, 2016

by Anghel Leonard

CORE

· 56,809 Views · 19 Likes