Depending on your application’s requirements, you may need a specific version or implementation of Java.
For specific LTS requirements, install particular OpenJDK versions, such as Java 21, 17, 11, or 8, using sudo apt install openjdk- -jre . Install the Java Runtime Environment - Ubuntu ubuntu download java jre
The open-source implementation found in Ubuntu's official repositories . It is free, updated regularly, and recommended for most users. Depending on your application’s requirements, you may need