Java Resources

Update DynamoDB Items With Java

Amazon's DynamoDB is a powerful cloud database service that includes a simple Java API.

August 11, 2016

by Emmanouil Gkatziouras

CORE

· 34,486 Views · 2 Likes

Building a Web UI for PostgreSQL DBs in Plain Java

This guide walks you through the process of connecting to PostgreSQL databases from Java web applications using MyBatis and Spring Framework. The UI part will be built using Vaadin Framework which allows you to build modern single-page web apps with only Java.

August 9, 2016

by Alejandro Duarte

CORE

· 19,882 Views · 12 Likes

Log4j 2.x XSD Is Not Fully Descriptive

Think Log4j 2.x and JAXB play nicely together? It would seem that Log4j's XSD doesn't fully specify Log4j's components' configuration attributes. Read on to find out more.

August 9, 2016

by Dustin Marx

· 8,090 Views · 3 Likes

Testing Java EE Using Docker

Need to run an integration test for your JavaEE application? Well, here are some tools that can help you out and a roadmap of how to use them.

Updated August 5, 2016

by Kai Winter

· 14,228 Views · 6 Likes

REST API vs. SOAP Web Services Management

Let's take a step back and look at the rise of microservices and REST and the apparent decline of SOAP-based web services. What are the statistics and the reasons?

August 4, 2016

by Guy Levin

· 14,006 Views · 9 Likes

Is JUnit Only for Unit Testing?

Can JUnit be useful for other applications beyond unit testing? Yes! It can actually be used to execute code to support any kind of testing.

August 3, 2016

by Alan Richardson

· 9,215 Views · 9 Likes

Create a While Loop in Mule ESB Without Using Java or Groovy

You don't need to look outside Mule ESB to make a while loop. Instead, a private flow can do the job just as well.

July 28, 2016

by Satheesh Kumar

· 32,201 Views · 12 Likes

StackOverflow: Seven of the Best Java Answers That You Haven’t Seen

Henn Idan of Takipi covers branch prediction, security in Java, exceptions, and those puzzling questions on StackOverflow that get you thinking.

July 27, 2016

by Henn Idan

· 64,701 Views · 41 Likes

Biggest Change to the Java Ecosystem: New Blood

Former JUG leader and MVB Dave Fecak chimes in on a major change to the Java ecosystem. What direction will Java go if entry level devs are losing interest in the language?

July 26, 2016

by Dave Fecak

· 14,475 Views · 11 Likes

Unit Testing Mule DataWeave Scripts with MUnit

DataWeave is a powerful transformation language introduced with Mule Enterprise Edition 3.7. It allows you to transform data from one format to another and supports CSV, XML, JSON, Flat/Fixed Width (v3.8+) & Java. You can look at these DataWeave Examples to see it in action.

July 26, 2016

by Manik Magar

· 21,188 Views · 3 Likes

Java 8 Top Tips

Time for a refresher of best practices when using Java 8, including basics around Streams and Lambda Expressions.

July 26, 2016

by Trisha Gee

· 45,932 Views · 65 Likes

Java Code Challenge: Play the Stockmarket Solution

The solution to last week's Java Code Challenge in a surprisingly simple way.

July 26, 2016

by Sam Atkinson

· 8,172 Views · 4 Likes

How to Debug Java with IntelliJ: Breakpoints, Evaluate Expression, Watches, and Variable View

This post has a look at how to effectively debug code in the IntelliJ IDE (hey, not everyone uses Eclipse!). Read on to find out more.

July 25, 2016

by Alan Richardson

· 53,617 Views · 11 Likes

Custom Audit Log With Spring and Hibernate

If you can't use Envers to automatically audit your database operations with Hibernate, you can use event listeners instead. Here's how.

July 25, 2016

by Bozhidar Bozhanov

· 52,372 Views · 8 Likes

Using Handlebars Java as a Server Side Templating Language

The disconnect between a programming language and how media is rendered has always caused problems. Handlebars is one of the best solutions on the market right now for Java devs building web apps.

July 21, 2016

by Siva Prasad Rao Janapati

· 28,474 Views · 12 Likes

Apache PDFBox Command-Line Tools: No Java Coding Required

Manipulating PDFs via the command line — with no Java experience necessary — is possible with Apache PDFBox 2! Find out more in this post.

July 21, 2016

by Dustin Marx

· 20,114 Views · 7 Likes

Folding the Universe, Part III: Java 8 List and Stream

Part three of a series on modeling Java problems as folds, looking specifically at streams in Java 8.

July 20, 2016

by Pierre-Yves Saumont

· 38,212 Views · 17 Likes

How to Test if Your Multi-Threaded Java Rest Service Is Thread Safe

Thomas Krieger shows how to test if your rest service is thread safe by analyzing a counter with a race condition and using a multi-threaded test runner.

July 19, 2016

by Thomas Krieger

· 46,522 Views · 18 Likes

Tabs vs Spaces: How They Write Java in Google, Twitter, Mozilla, and Pied Piper

The biggest war among developers continues to rage on. But where do the giants in technology stand on the issue?

July 19, 2016

by Alex Zhitnitsky

· 23,836 Views · 12 Likes

Is Java Dead? No! Here’s Why...

We see this “Is Java dead?” question pop up year after year, and yet, by all external markers, Java is alive, well, and growing. Read on for more info!

July 18, 2016

by Lindsay Brunner

· 32,310 Views · 36 Likes

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