Java Resources

How to Write JUnit for Mule Java Transformers and OnCall Classes

In this quick tutorial, you'll learn how to use the popular testing framework, JUnit, to test the Java funcationalities within your Mule app.

October 12, 2017

by Ganesh Kumar Ravichandran

· 8,557 Views · 1 Like

Java 9: HTTP Client and Process API in JShell

Take a look at what you can do with Java 9's new HTTP/2 Client and the Process API all through JShell, the new REPL for Java!

Updated October 11, 2017

by Martin Farrell

· 17,829 Views · 17 Likes

reMap: Robust Java Object Mapping With Minimal Testing Overhead

Take a look at the open source reMap, a Java object mapper designed to be refactoring-safe and to introduce as little testing overhead as possible.

October 10, 2017

by Tom Hombergs

· 12,926 Views · 3 Likes

Java Logging Frameworks and Tools

In this post, we take a look at some of the most common and well-known logging frameworks available in Java to see what you should consider for your projects.

Updated October 10, 2017

by Swathi Prasad

· 46,529 Views · 12 Likes

Viewing JUnit XML Files Locally

In this tutorial, you'll learn how to view the contents of a JUnit XML file locally and read its contents in the form of a table.

October 9, 2017

by Matthew Casperson

· 29,574 Views · 2 Likes

Singletons: Bill Pugh Solution or Enum

There is a variety of approaches you can take with Singleton patterns. Here, we pit Bill Pugh's solution against the handy Enum singleton.

Updated October 9, 2017

by Harinath Kuntamukkala

· 46,034 Views · 11 Likes

Getting Started With Apache Camel and Java

Learn the basics of how to create a Maven-based standalone Apache Camel project using the Java DSL with this straightforward tutorial.

October 9, 2017

by Bennet Schulz

· 18,546 Views · 10 Likes

Creating JMeter Variables in Java - The Ultimate Guide

Learn how to create the different types of JMeter variables in Java, details of the different variable types, and how to avoid errors.

October 9, 2017

by Sergey Horban

· 22,876 Views · 4 Likes

Java 9: Reflection and Package Access Changes

Java 1.9 does not like reflection as much as previous versions, and access to proprietary packages is not possible out of the box. Here's one way to adapt.

October 6, 2017

by Alan Richardson

· 36,965 Views · 17 Likes

Working With Headers in Mule Flows

Learn how to send SOAP and transport headers while invoking external web services from Mule flows, as for API implementations, in this tutorial.

October 5, 2017

by Rakesh Kumar Jha

· 40,626 Views · 8 Likes

Connecting Netezza With Java and Python - Full Working Example

This tutorial and working example code will show you how to connect your Java or Python code samples to the Netezza database.

October 3, 2017

by Avkash Chauhan

· 26,052 Views · 4 Likes

Sneakily Throwing Exceptions in Lambda Expressions

Java 8's type inference rules leave an exploitable hole you can use to handle checked exceptions when using lambda expressions.

Updated October 3, 2017

by Grzegorz Piwowarek

· 50,969 Views · 13 Likes

Flips: Feature Flipping for Java

Take a look at Flips, a new feature toggling library designed to be easy to use and require minimal configuration while still being customizable.

October 2, 2017

by Sarthak Makhija

· 12,127 Views · 6 Likes

Weak, Soft, and Phantom References in Java (and Why They Matter)

This breakdown of weak, soft, and phantom references explains how they impact GC and memory allocation as well as some ideal use cases.

September 30, 2017

by Uberto Barbini

· 84,536 Views · 36 Likes

Lightweight JVM Diagnostics Tools and Containers

Here are the challenges with running JVM diagnostics on containerized apps and how you can get around them to get good performance data.

September 29, 2017

by Sasha Goldshtein

· 12,292 Views · 4 Likes

Apache Flink vs. Apache Spark

Should you switch to Apache Flink? Should you stick with Apache Spark for a while? Or is Apache Flink just a new gimmick? Get the answers to these and other questions.

September 26, 2017

by Ivan Mushketyk

· 54,709 Views · 15 Likes

Lambdas and Clean Code

As with the introduction of any new tool, Java 8's lambda expressions have led to odd biases and poor use. Here are some considerations to keep your code clean.

September 26, 2017

by Nicolas Fränkel

· 34,061 Views · 109 Likes