Java Resources

Quick Guide to Microservices With Quarkus on Openshift

A quick tutorial to help you use Quarkus.

August 29, 2019

by Piotr Mińkowski

· 15,308 Views · 8 Likes

Reactive Programming in Java: Using the WebClient Class

WebClient is the equivalent of the RestTemplate class — except it works with asynchronous requests.

August 28, 2019

by Jesus J. Puente

· 60,653 Views · 8 Likes

C# and Java Comparison: The C# Struct Advantage

In this article, we discuss the advantage of C#'s struct when compared to Java's use of classes and Junion to offer a struct-like data structure.

August 27, 2019

by Dang Ngoc Vu

· 13,987 Views · 7 Likes

Using Spring Data Redis in Spring Boot 2.0 to Write a Custom Query

See how to use Spring Data Redis in Spring Boot 2.0 to write a custom query.

August 27, 2019

by omid haghighatgoo

· 56,663 Views · 7 Likes

AR and Java By Hand (Part 1): Introduction

Learn more about beginning your own AR project with Java.

August 27, 2019

by Radek Hecl

· 13,438 Views · 3 Likes

Project Loom: Java With a Stronger Fiber

Thanks to Project Loom, a new era of Java is on the horizon.

August 27, 2019

by Luca Venturi

· 38,441 Views · 28 Likes

The JVM Architecture Explained

Click here to check out this overview of the different components of the JVM, along with a very useful diagram!

Updated August 26, 2019

by Jackson Joseraj

· 580,360 Views · 345 Likes

Avoiding NullPointerException in Java 8

How do you prevent NullPointerExceptions in your Java code?

August 26, 2019

by Amanuel G. Shiferaw

CORE

· 43,468 Views · 5 Likes

Add Custom Functionality to a Spring Data Repository

Take a look at how Spring Data allows us to add custom methods to a Spring Data Repository, complete with plenty of code examples.

Updated August 23, 2019

by Emmanouil Gkatziouras

CORE

· 279,463 Views · 26 Likes

Ant-to-Maven Conversions: The Painless Method

You no longer need to sweat it over Ant-to-Maven conversions. We've got you covered.

August 23, 2019

by Dinusha Nirmal

· 33,621 Views · 2 Likes

How Do Annotations Work in Java?

Grab some coffee and get ready to dive into the world of annotations.

August 22, 2019

by Yashwant Golecha

· 384,340 Views · 65 Likes

An Introduction to JUnit

An overview of JUnit 4, including its impact on testing.

August 22, 2019

by Justin Albano

CORE

· 23,231 Views · 8 Likes

How To Learn Any Programming Language Online in 2019

The different programming languages, and where to learn them.

August 22, 2019

by John Selawsky

· 22,364 Views · 3 Likes

Java Garbage Collection Types and Settings in Jelastic PaaS

Let's clarify what garbage collection is, what it does for Java applications, and how it works within Jelastic PaaS.

August 22, 2019

by Tetiana Fydorenchyk

· 8,560 Views · 2 Likes

Mule Maven Plugin for CloudHub Deployment

Explore the Mule Maven plugin for CloudHub deployment.

August 21, 2019

by Abhay Yadav

· 18,550 Views · 4 Likes

JDBC: Emulating a Sequence

See how to emulate a sequence.

August 21, 2019

by Michal Jastak

· 9,816 Views · 1 Like

How to Deep Clone an Object Using Java In-Memory Serialization

Check out this post in a series on Java cloning and serialization.

August 21, 2019

by Naresh Joshi

CORE

· 12,803 Views · 4 Likes

Java Cloning: Copy Constructors vs. Cloning

Let's run through the pros and cons of Object.clone() and see how it stacks up against copy constructors when it comes to copying objects.

Updated August 20, 2019

by Naresh Joshi

CORE

· 229,963 Views · 21 Likes

Easy and Accurate Performance Testing With JUnit/Maven

Learn how you can utilize JUnit and Maven for performance and load testing in a variety of scenarios, like reusing test code and testing in parallel.

Updated August 20, 2019

by Nirmal Chandra

· 62,706 Views · 11 Likes

When to Use JSR 305 for Nullability in Java

JSR 305 became a de-facto standard despite its many problems.

August 20, 2019

by Tomasz Linkowski

· 25,174 Views · 4 Likes

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