| Feature | Oracle JDK | OpenJDK | |--------|-----------|---------| | License | NFTC (free for dev/testing) | GPLv2 with Classpath Exception | | Commercial use | Requires subscription | Free | | Updates | LTS updates until 2032 (paid after 2026) | Via Adoptium, Amazon Corretto, etc. | | Extra tools | Flight Recorder, Mission Control | Usually included now |
source ~/.bashrc Open a terminal (Command Prompt on Windows) and run: java 11 download
java -version Expected output: