Java Resources

Familiarize yourself with important components of the JVM, including garbage collection, heap and non-heap memory, and threads.

Updated October 30, 2017

by Eugen Paraschiv

· 22,671 Views · 16 Likes

Java: The Strategy Pattern

This deep dive into the classic Strategy pattern covers how it works, example usage, and deciding how and when to use it in your projects.

October 29, 2017

by Justin Albano

CORE

· 81,862 Views · 66 Likes

Dockerized Java EE 8 Apps With Glassfish 5.0

There's a shiny new base GlassFish Docker image specifically made for Java EE 8 app development. Take a look at what it offers and how you can put it to use.

October 27, 2017

by Sebastian Daschner

· 15,363 Views · 5 Likes

Disruptive Changes to GC Logging in Java 9

Garbage collection fanatics have likely noticed some pretty hefty changes to GC in Java 9. See what's been deprecated, what's been removed, and what' changed.

October 27, 2017

by Ram Lakshmanan

CORE

· 34,904 Views · 5 Likes

Separate Keyspaces With Spring Data Cassandra

Learn about the code needed to allow multiple keyspaces and reasons why you might want to switch from using a single one to using multiple.

October 24, 2017

by Dan Newton

· 12,065 Views · 3 Likes

Java Scale-First ExecutorService : Myth or Reality?

Concurrency can be tricky, particularly during peak demand times, so here's how to move your apps from queue-first to scale-first.

October 24, 2017

by Udith Gunaratna

· 16,246 Views · 33 Likes

Migrating a Spring Boot App to Java 9 (Part 2): Modules

In part 1, we saw the compatibility issues of migrating a Spring Boot app to Java 9. Now we dig into how to do it with Project Jigsaw's modules.

October 24, 2017

by Nicolas Fränkel

· 20,538 Views · 13 Likes

Java Code Coverage in Eclipse

We often think of using code coverage only for testing. In this post, we take a quick look at a new way of making use of such a tool in your Eclipse instance.

October 23, 2017

by Leo Ufimtsev

· 121,100 Views · 14 Likes

Building Data Pipelines With Spring Cloud Data Flow

Learn how to use Spring Cloud Data Flow, a tool to build real-time data integration and data processing pipelines by stitching together Spring Boot applications.

October 23, 2017

by Randhir Singh

· 31,720 Views · 7 Likes

Learning Neural Networks Using Java Libraries

Learn about the evolution of neural networks and get a summary of popular Java neural network libraries in this short guide to implementing neural networks from scratch.

October 22, 2017

by Daniela Kolarova

CORE

· 23,041 Views · 20 Likes

Run Your Java App as a Service on Ubuntu

Bring your JAR file to Ubuntu as a service using this example service wrapper. See how to make it work, including automatic starts and logging tips.

Updated October 20, 2017

by Muhammad Sarwar

· 227,511 Views · 52 Likes

Trust Your Pipeline: Automatically Testing an End-to-End Java Application

See how the Agile testing quadrants and the Test Pyramid show the ways different types of automated software testing interact to enable continuous delivery.

October 20, 2017

by Elias Nogueira

· 15,013 Views · 12 Likes

Passing by Value vs. Passing by Reference in Java

While many languages put information passing into the hands of developers, all data is passed by value in Java. See how to turn that restriction to your advantage.

October 20, 2017

by Justin Albano

CORE

· 142,752 Views · 69 Likes

The Top 3 Blockchain Libraries for Java Devs

If you want to incorporate blockchain into a Java project, here's a breakdown of the three biggest OSS players in the space right now.

October 19, 2017

by Boyko Dimitrov

· 58,071 Views · 9 Likes

Using Swagger to Connect a Backend to an Angular Frontend

Learn how you can use Swagger to ease the creation of an Angular front-end based on an existing set of RESTful services- everyone wants to make their lives easier!

October 19, 2017

by Brian Fernandes

· 40,795 Views · 4 Likes

An Introduction to Caching: How and Why We Do It

When it comes to caching, what was once a nice-to-have it now a must-have. Check out this detailed article to learn everything you need to know about caching!

October 19, 2017

by Arun Tawara

· 172,462 Views · 47 Likes