Videos

On April 21, 2021, we had the pleasure of hosting the live stream ‘Spring Boot Loves K8s’ by Madhura Bhave, one of the awesome software engineers on the Spring Boot Team. The code in this live stream can be accessed using this link. Session details In this live stream, Madhura demonstrated features introduced in Spring Boot 2.3 and later versions that improved developing and deploying Spring Boot applications to Kubernetes. She covered four main improvements: building efficient container images, liveness and readiness probes, graceful shutdown and loading ConfigMaps and Secrets. To demonst

We've now covered all the key features for creating and running tests with Spock. In Part 5, we finish up the Spock tutorial by looking at additional features that can help you to write short, descriptive, correct tests. Tutorial: Spock Part 1 - Getting Started Part 2 - Writing Tests Part 3 - Data Driven Testing Part 4 - Mocking and Stubbing Part 5 - Other Useful Tips These blog posts cover the same material as the video. This provides an easy way for people to skim the content quickly if they prefer reading to watching, and to give the reader/watcher code samples and links to a

In Part 4 of our Spock tutorial, we look at mocking and stubbing. The Spock framework has mocking and stubbing built in. Creating, using and verifying mocks and stubs is nicely aligned with the way the tests are written, and can lead to very readable tests. Tutorial: Spock Part 1 - Getting Started Part 2 - Writing Tests Part 3 - Data Driven Testing Part 4 - Mocking and Stubbing Part 5 - Other Useful Tips These blog posts cover the same material as the video. This provides an easy way for people to skim the content quickly if they prefer reading to watching, and to give the reade

In Part 3 of our Spock tutorial, we'll look at Data Driven Testing. This is one of my favourite things about Spock, although it is also supported in other frameworks like JUnit 5. Tutorial: Spock Part 1 - Getting Started Part 2 - Writing Tests Part 3 - Data Driven Testing Part 4 - Mocking and Stubbing Part 5 - Other Useful Tips These blog posts cover the same material as the video. This provides an easy way for people to skim the content quickly if they prefer reading to watching, and to give the reader/watcher code samples and links to additional information. (more…)

In Part 2 of our Spock tutorial, we'll look at writing Spock tests in more detail, including some tips on how to get the most from Groovy. Tutorial: Spock Part 1 - Getting Started Part 2 - Writing Tests Part 3 - Data Driven Testing Part 4 - Mocking and Stubbing Part 5 - Other Useful Tips These blog posts cover the same material as the video. This provides an easy way for people to skim the content quickly if they prefer reading to watching, and to give the reader/watcher code samples and links to additional information. (more…)

Spock is a really interesting framework for writing automated tests on the JVM. Spock tests are written in Groovy, but they can be used to test Java classes as well. Check out our 30 minute video tutorial on how to write tests using Spock, or follow along with this series of blog posts, which contains code samples and links to further information. Or do both! In this post, Part 1 in the series, we're going to cover just enough to get you started with a brand new project for writing Spock tests. Tutorial: Spock Part 1 - Getting Started Part 2 - Writing Tests Part 3 - Data Driven Test

On December 17, 2020, we hosted the live stream ‘Java, Containers and IntelliJ IDEA’ by the amazing Elder Moraes, RedHat Developer Advocate, Java Champion, Board member at Sou Java, and author of multiple books on Enterprise Java. The code and presentation used in this live stream by the speaker can be accessed using this link. Elder’s presentation also includes a great comparison and summary of the tips that he demonstrated in his live demonstration. Session details In this live stream, Elder addressed four main issues – long build times for Docker images, large image sizes, maintainability

In this blog, we're going to look at how to share code that we've written on our local machine to a repository on GitHub. https://youtu.be/4ukhZvOmAtk This blog post covers the same material as the video with some additional tips and tricks. This provides an easy way for people to skim the content quickly if they prefer reading to watching, and to give the reader/watcher code samples and links to additional information. There are a few ways to use IntelliJ IDEA to publish code that we've written on GitHub. In this blog, we will go over two approaches. The first is the quickest where you create

In this blog, we're going to take a look at both scratch files and scratch buffers and identify their key uses. This blog post covers the same material as the video with some additional tips and tricks. This provides an easy way for people to skim the content quickly if they prefer reading to watching, and to give the reader/watcher code samples and links to additional information. What Are Scratch Files and Scratch Buffers? Scratch files and buffers are temporary files that are helpful for a range of uses. Scratch files are fully functional, runnable and debuggable files. They're useful for

In this blog, we're going to look at how to create an IntelliJ IDEA project from existing code in a GitHub repository. https://www.youtube.com/watch?v=aBVOAnygcZw This blog post covers the same material as the video with some additional tips and tricks. This provides an easy way for people to skim the content quickly if they prefer reading to watching, and to give the reader/watcher code samples and links to additional information. Clone a GitHub Repository to Our Local Machine The first thing we need to do is to clone the git repository to our local machine. In the video, we used this Intelli

In this video we're going to take a look at IntelliJ IDEA's built in terminal. This performs the same function as your operating system's terminal or command feature, but using the terminal inside IntelliJ IDEA has a number of benefits. Opening the IntelliJ IDEA Terminal Window In this example we have a simple Spring Boot application that needs a running MongoDB database. We can open the terminal window with ⌥F12 on macOS, or Alt+F12 on Windows and Linux. The terminal supports all the same commands that the operating system supports. If we want to start the MongoDB database instance with a s

On the 10th July 2020, JetBrains hosted a Technology Day for Java. We had 10 presentations and the videos for them are available here. Over the coming weeks, in no particular order, we'd like to share with you extra resources that our speakers kindly provided and any links to further reading or code samples. We hosted Anna Morozova and Tatiana Vasilyeva from JetBrains Educational Products talking to us about teaching and learning Java with JetBrains. Here at JetBrains we are all very passionate about helping others in the community to learn Java. We provide free licenses to over one million st