Java

We'd like to introduce you to our fresh new IntelliJ IDEA Guide! We've been working on this in the background for a few months now by collecting tips and even taking some of our screencasts from YouTube and turning them into tutorials for our guide.

Java Enterprise Edition (Java EE) has gone through a major transformation and is now Jakarta EE. One of the most significant changes impacting developers is the namespace change from javax to jakarta. If you're new to JPA or creating new JPA applications, you might be wondering how to create your persistence applications. Your two options are: Create your new applications using the new jakarta na

In this blog, we're going to look at how to create a simple JPA application in IntelliJ IDEA Ultimate. JPA allow you to store, access and manage Java objects in a relational database. If you want to create a Jakarta Persistence application with the new jakarta namespace, checkout this version of the blog or watch this video. Creating a new JPA Project First, we'll create a new project in IntelliJ

In this blog, we're going to look at how to create a simple Jakarta Persistence application in IntelliJ IDEA Ultimate. Jakarta Persistence is the new name for the Java Persistence APIs also known as JPA. These APIs allow you to store, access and manage Java objects in a relational database. https://youtu.be/jB2uSJX7jnM This blog post covers the same material as the video with some additional tips

JetBrains IDEs are well known for their ability to understand code. They can track declarations, check references and types, and collect possible execution paths. Thanks to all this static analysis, you are able to rename and move things around safely, get appropriate code completion, and get warned with a message saying “hey, this won't run” from the code inspection if you are adding something th

This year, your favorite IDE, IntelliJ IDEA, turns 20. We are celebrating this momentous milestone by hosting our first ever IntelliJ IDEA Conf on February 25–26, 2021! We invite you all to attend this two-day event, hosted by the creators and developers of IntelliJ IDEA. You'll get the inside scoop on the evolution of IntelliJ IDEA; its features and how to use them; tips, tricks and best practice

This week we're doing a Live Stream on JavaFX, and I wanted to use that opportunity to refresh my JavaFX knowledge. I've been using JavaFX in a number of my demo applications over the last six years, and the one thing I've learnt is that it's a bit of a moving target, in particular since JavaFX was taken out of the JDK in Java 11. What I wanted to find out is what's the current best way to create

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 t

On September 18, 2020, we hosted a live webinar on 'Developing Micronaut Applications Using IntelliJ IDEA' by Iván López, Senior Software Engineer at Object Computing. This session included a brief overview of the Micronaut framework with lots of live examples. IntelliJ IDEA provides coding assistance specific to the Micronaut framework. For example, you can autocomplete Ctrl+Space parameters in a

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 Monica Beckwith talking to us about garbage collection in OpenJDK Hotspot. Java

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 Trisha Gee talking to us everything that's happened since Java 8. Java 8 was a h

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 Josh Long talking to us about Test Driven Development (TDD) and the confidence i