Java Resources

Learn the primary differences between REST and SOAP APIs, each one's benefits, and when it's appropriate to use the two.

September 20, 2017

by Arnny Y

· 20,569 Views · 7 Likes

NoSQL Options for Java Developers

Which NoSQL option is right for your Java project? Let's find the five most popular NoSQL databases, analyze them, and see where they can help.

September 19, 2017

by Matt Raible

· 39,290 Views · 14 Likes

Tracing in Distributed Systems With Spring Cloud Sleuth

Learn how tracing with Spring Cloud Sleuth can solve the various difficulties with traceability in distributed systems like microservices.

September 19, 2017

by Tom Hombergs

· 21,453 Views · 7 Likes

Maintaining PriorityQueue Order With Java Streams

The priority order of a PriorityQueue is not preserved when iterating or traversing, but fortunately, there are clean solutions for achieving this.

September 18, 2017

by Grzegorz Piwowarek

· 9,478 Views · 5 Likes

Introduction to the Morpheus DataFrame

Morpheus can help you scale on multi-core processor architectures and facilitate the development of performant analytical software. Come learn all about this powerful tool!

September 16, 2017

by Xavier Witdouck

· 9,988 Views · 4 Likes

Gracefully Shutting Down Java in Containers

Let's look at some lessons learned about gracefully shutting down Java programs in the worlds of Docker, Kubernetes, and enterprise integration.

September 15, 2017

by Janaka Bandara

· 36,898 Views · 13 Likes

Logging in Style: log4j 2, Contextuality, Auto-Cleanup... All With No Strings Attached!

In this article, a software engineer tells us why he and his team used log4j 2 to make their logging better, and provides some sample code from the project.

September 13, 2017

by Janaka Bandara

· 6,507 Views · 3 Likes

Java Application Security Frameworks

If you're creating a web app, security is more important than ever. Learn about some great Java-based frameworks that add extra security to your apps.

September 12, 2017

by Swathi Prasad

· 38,004 Views · 20 Likes

Lazy Loading and Caching Objects With Guava

Lazy loading and caching are powerful performance tools, but they can be implemented poorly. Here's how you can pull them off in Java using Google's Guava.

September 11, 2017

by Bill O'Neil

· 13,445 Views · 7 Likes

Enabling Centralized Logging

Learn to build a centralized logging system using Splunk and ELK that can gather multiple application logs into a single service.

September 7, 2017

by Randhir Singh

· 70,244 Views · 23 Likes

The Difference Between REST and SOAP APIs

This overview will help you understand the differences between REST and SOAP APIs, and how they are used in integrations.

September 7, 2017

by Nyma Malik

· 698,809 Views · 29 Likes

Code Smells: Multi-Responsibility Methods

Our work on code smells and refactoring tips continues with a look into adhering to the single responsibility principle and refactoring multi-responsibility methods.

September 6, 2017

by Trisha Gee

· 16,838 Views · 24 Likes

Apiee - An Easy Way to Get Swagger on Java EE

Learn how to use Apiee, which allows you to easily add Swagger annotations when creating REST APIs, and works on any Java EE 7 server.

Updated September 5, 2017

by Phillip Kruger

· 22,078 Views · 11 Likes

The Skinny on Fat, Thin, Hollow, and Uber

Here's just about everything you could want to know about your favorite packaging techniques for Java—skinny JARs, fat/uber JARs, thin JARS, and hollow JARs.

September 5, 2017

by James Falkner

· 42,277 Views · 10 Likes

Bootstrapping Spring Cloud Config Server MongoDB

Bootstrapping a configuration server with Spring Cloud Config Server MongoDB is just a matter of three steps. Learn what they are and look at a usage example!

September 5, 2017

by Venil Noronha

· 8,589 Views · 5 Likes

Understanding Classes in Java (Part 2)

The history of Java classes continues, this time with a focus on objects, their creation, their purpose, and how they're treated in memory.

September 5, 2017

by Justin Albano

CORE

· 21,140 Views · 40 Likes

Java Command-Line Interfaces (Part 13): JArgs

JArgs is a solid open source option for those who want basic command line processing that covers code going back to Java SE 1.1.

September 4, 2017

by Dustin Marx

· 8,370 Views · 4 Likes

Understanding Classes in Java (Part 1)

This comprehensive deep dive into Java classes is as much history as it is education. In Part 1, we focus on class makeup to make classes more intuitive for developers.

September 4, 2017

by Justin Albano

CORE

· 28,877 Views · 42 Likes

Integrating Spring Data JPA, PostgreSQL, and Liquibase

Use Spring Data JPA with Liquibase and PostgreSQL to manage the persistence layer of Spring Boot apps, and Project Lombok to avoid writing boilerplate code.

September 1, 2017

by Bruno Krebs

· 40,500 Views · 7 Likes

What Causes OutOfMemoryError?

If you're ever gotten this frustrating message, fear not, it's root causes can usually be gleaned from the type of error message that is thrown. We'll show you how.

September 1, 2017

by Grzegorz Mirek

· 38,244 Views · 18 Likes

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