Install 
BlueJ Java IDE on 
Nintendo Switch
BlueJ Java IDE
A simple but powerful Java IDE.
BlueJ is an integrated development environment for the Java programming language, developed mainly for educational purposes.
To run: Menu -> Programming -> BlueJ Java IDE
To run in a terminal: bluej
Fortunately, BlueJ Java IDE is very easy to install on your Nintendo Switch in just two steps.
- Install Pi-Apps - the best app installer for Nintendo Switch.
- Use Pi-Apps to install BlueJ Java IDE.
Compatibility
For the best chance of this working, we recommend using the latest version of Switchroot L4T Ubuntu Noble, which is currently version 5.1.2 Ubuntu Noble.
BlueJ Java IDE will run on L4T Ubuntu ARM64.
Install Pi-Apps
Pi-Apps is a free tool that makes it incredibly easy to install the most useful programs on your Nintendo Switch with just a few clicks.
Open a terminal and run this command to install Pi-Apps:
wget -qO- https://raw.githubusercontent.com/Botspot/pi-apps/master/install | bashFeel free to check out the Pi-Apps source code here: https://github.com/Botspot/pi-apps
Install BlueJ Java IDE
Now that you have Pi-Apps installed, it is time to install BlueJ Java IDE.
First launch Pi-Apps from your start menu:
Then click on the Programming category.
Now scroll down to find BlueJ Java IDE in the list.
Just click Install and Pi-Apps will install BlueJ Java IDE for you!
Pi-Apps is a free and open source tool made by Botspot and other contributors. Find out more at https://pi-apps.io