Java Resources

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

· 22,559 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

· 36,641 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

· 40,300 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

· 25,779 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

· 50,553 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

· 11,897 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

· 83,097 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

· 11,978 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

· 54,103 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

CORE

· 33,839 Views · 109 Likes

Understanding API Design

This in-depth guide to API design will help you understand the types of APIs, their structure, and how to make calls and navigate them.

September 26, 2017

by Nagarjunareddy K

· 12,284 Views · 14 Likes

Migrating Your Project to Jigsaw Step by Step

Want to dive into Java 9's modularity? Here's a step-by-step guide to moving your project to take advantage of Jigsaw's features.

September 26, 2017

by Lukas Krecan

· 27,595 Views · 24 Likes

Saving Data to CSV Files With Java Through JMeter

Wish you could complete your entire CSV file process in one place? Let's see how you can create and update CSVs through JMeter.

September 25, 2017

by Michal Borenstein

· 24,752 Views · 2 Likes

Adding EntityManager.refresh to All Spring Data Repositories

Bring EntityManager.refresh to all of your Spring Data repositories with this quick, simple implementation while making sure you clear the hurdles.

September 25, 2017

by Martin Farrell

· 38,874 Views · 6 Likes

Getting the Most Out of the Java Thread Pool

Dive into the inner workings of thread pooling in Java, the various thread pools at your disposal, and tips on how to make your programs more performant.

September 23, 2017

by Eugen Paraschiv

· 54,269 Views · 34 Likes

Java 9: It's Heeeere

Java 9 has finally arrived. With new features like a modular JVM and REPL in the form of JShell, here's a list of links to get you started.

September 22, 2017

by Mike Gates

· 10,281 Views · 13 Likes

Creating a REST Web Service With Java and Spring (Part 2)

Welcome back! We pick up where we left off, and show you how to implement the data source and domain layers of your REST web service.

September 22, 2017

by Justin Albano

CORE

· 80,737 Views · 28 Likes

Enum: Using the Name() and toString() Methods Correctly

With Java Enums, there are two similar, but different methods that are commonly used: name() and toString(). Learn the difference and when to use both for best results.

September 21, 2017

by Alex Theedom

· 219,818 Views · 12 Likes

Java Command-Line Interfaces (Part 14): google-options

For those of you who use Guava, google-options is a straightforward CLI parsing option. For those of you who don't, the dependency might be more overhead than it's worth.

September 21, 2017

by Dustin Marx

· 9,630 Views · 3 Likes

Project Comprehension: Understanding Java Projects Efficiently

If you're a new dev on a Java project team, even if you're experienced, it takes time to become familiar with the code. This method should improve project comprehension.

September 21, 2017

by Michael Pergamenshik

· 12,077 Views · 10 Likes

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