Java Resources

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

· 14,487 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

· 21,208 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

· 45,985 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

· 8,192 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

· 53,697 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

· 52,408 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

· 28,502 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

· 20,153 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

· 38,227 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

· 46,542 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

· 23,852 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

· 32,333 Views · 36 Likes

Using Spring-Managed Event Listeners in Hibernate

Learn from Bozhidar Bozhanov of TomTom about a new and better way to use listeners in Hibernate (because the old way is broken).

July 17, 2016

by Bozhidar Bozhanov

· 20,683 Views · 4 Likes

Java Runtime Performance Monitoring: GC and Safepoints

Manoj Chandrabhanu shares his method for analyzing Java runtime performance while using Jenkins and looking at logs in JVM.

July 16, 2016

by Manoj Chandrabhanu

· 11,207 Views · 9 Likes

Creating a Blogging Platform in Java: Part 1

In the first part of his series on creating a blogging platform in Java, Grzegorz Ziemonski shares his mindset on the genesis of his project and preparation.

July 16, 2016

by Grzegorz Ziemoński

· 20,620 Views · 8 Likes

MuleSoft: Connect to a Flat File

This tutorial teaches MuleSoft users how to connect to a flat file — in this case, something within Microsoft Access.

July 14, 2016

by Sulthony H

· 6,000 Views · 6 Likes

Passing Java Arrays in Oracle Stored Procedure From Mule ESB Flow

A tutorial on how to use Java Arrays with Oracle database and Mule ESB.

Updated July 11, 2016

by Priyobroto Ghosh

· 27,018 Views · 9 Likes

Spring Data + Solr Cloud + Zookeeper + MongoDB + Ubuntu Integration

This article will show you how to set up a clustered MongoDB to store the data, a Solr Cloud to index the data in MongoDB in real time. Then how to use mongo-connector to replicate data from MongoDB to Solr Cloud. And finally, develop a simple Spring Data Solr application that talks to Solr Cloud to search the data in MongoDB.

July 11, 2016

by Chuanbao Lu

· 10,741 Views · 4 Likes

Code Coverage for JavaFX With GitLab CI

Looking to test an application with JavaFX on GitLab CI? Let me show you how it's done...

July 7, 2016

by Kai Winter

· 8,469 Views · 3 Likes

MongoDB Java API: Using a Sequence Collection With FindAndModify()

Documents in MongoDB have a unique object ID when they are created. How can we get around this to develop a more effective REST API when document lookups are involved?

July 6, 2016

by Kevin Hooke

· 10,432 Views · 2 Likes

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