Java Resources

With JUnit 5 newly available, we take a look at how migrating your JUnit 4 tests to JUnit 5 might go as well as a couple of pitfalls to avoid.

January 8, 2018

by Biju Kunjummen

· 28,312 Views · 4 Likes

7 Things to Know for Getting Started With Spring Boot

Just getting into Spring Boot? Then check out this post for a helping hand in understanding Spring Boot's architecture and functionality.

January 6, 2018

by Ranga Karanam

· 238,879 Views · 70 Likes

How to Improve the Performance of a Java Application

Ensuring your Java application is running at peak performance can take some effort. Here's how you can help ensure the performance of your Java application is top notch.

January 4, 2018

by Eugen Paraschiv

· 62,244 Views · 47 Likes

Java Quiz 8: Upcasting and Downcasting Objects

Check in on the results from a previous quiz about unary operators in Java and try out your knowledge up upcasting and downcasting objects.

January 4, 2018

by Sar Maroof

· 17,291 Views · 4 Likes

dotenv for Java and the JVM

Wish configuring your microservices was easy? Well, while it started with Ruby, dotenv has a Java port that brings configuration into a single method.

January 3, 2018

by Carmine DiMascio

· 45,181 Views · 14 Likes

Integration Tests With Maven

Integration tests with Maven have different requirements from simple unit tests. This article covers some of these different configurations.

January 3, 2018

by Emmanouil Gkatziouras

CORE

· 42,409 Views · 18 Likes

Dockerizing Jenkins 2, Part 1: Declarative Build Pipeline With SonarQube Analysis

In the first part of this Dockerizing Jenkins series, learn to run Jenkins on Docker, and automate plugin installation, Java and Maven tool configuration, and more.

Updated January 2, 2018

by Kayan Azimov

· 125,990 Views · 43 Likes

How to Use Couchbase With Java

Learn how to use Couchbase with Java by creating a heroes service that will come up with a superhero's name, their powers, and more.

January 2, 2018

by Otavio Santana

CORE

· 19,180 Views · 4 Likes

12 Java YouTube Channels You Should Follow in 2018

Do you want to stay on top of your Java game in 2018? Here are 12 YouTube channels that you should stay up to date with.

December 31, 2017

by Thorben Janssen

· 83,847 Views · 100 Likes

OWASP Dependency-Check Maven Plugin: A Must-Have

Though it's tough, this developer admits he hadn't heard of this plugin until recently. If you're in the same boat, read to get an overview of this great security tool.

December 30, 2017

by Bozhidar Bozhanov

· 19,411 Views · 5 Likes

What Is Project Amber in Java?

Curious about Project Amber? Take a look at the ongoing effort to enhance the productivity of Java developers everywhere.

Updated December 30, 2017

by Mahmoud Anouti

· 18,338 Views · 13 Likes

Spring Boot: Unit Testing and Mocking With Mockito and JUnit

In this post we take an in-depth look at how to create effective unit tests in Spring Boot using JUnit and Mockito. Read on for the details!

December 29, 2017

by Ranga Rao Karanam

· 244,794 Views · 11 Likes

How to Set Up JDK and Tomcat on Ubuntu

This quick tutorial will guide you in setting up the latest JDK and Tomcat on Ubuntu, complete with the necessary code and commands.

December 29, 2017

by Mafijur Rahman

· 9,051 Views · 6 Likes

OTP (One Time Password) Using Spring Boot and Guava

Read on to learn how to add One Time Password authentication to your web application using Spring Boot and Google's Guava library.

December 28, 2017

by Shrisowdhaman Selvaraj

· 125,927 Views · 23 Likes

OOP Concepts for Beginners: What Is Polymorphism

Polymorphism can be an elusive concept to pin down, so let's take a look at what it is and what the different types are.

December 28, 2017

by Thorben Janssen

· 29,467 Views · 29 Likes

Creating a Simple Web App With Java 8, Spring Boot, and Angular

In this tutorial, we'll look at how developers can combine multiple technologies to make a web application. Read on to get started!

Updated December 27, 2017

by Ashish Lohia

· 395,429 Views · 39 Likes

IoC vs. DI

Some people use the terms Inversion of Control and Dependency Injection interchangeably. Let's see how they're different and how they can work together.

December 27, 2017

by Francisco Alvarez

· 142,477 Views · 106 Likes

Random Number Generation in Java

Need some randomness in your numbers? Check out a few different techniques you can avail yourself of to create random (or mostly random) numbers in Java.

December 26, 2017

by John Thompson

· 1,269,329 Views · 31 Likes

API Test Parameterization With Spock

In this blog post, a performance testing expert will cover the different ways one can parameterize Groovy tests in Spock.

Updated December 25, 2017

by Grigor Avagyan

· 8,717 Views · 2 Likes

Accessing Git Repos With Java Using SSH Keys

See how you can use SSH keys to gain access to Git repos from Java apps. We'll use JGit and cover some customizations you can introduce.

December 25, 2017

by Sebastian Daschner

· 30,110 Views · 8 Likes

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