java2-runtime software package provides virtual package provided by gcj-6-jre, openjdk-8-jre, default-jre, gcj-5-jre, gcj-jre, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install java2-runtime
java2-runtime is installed in your system.
Make ensure the java2-runtime package were installed using the commands given below,
$ sudo dpkg-query -l | grep java2-runtime*
You will get with java2-runtime package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Virtual packages |
| Package | java2-runtime |
| Version | |
| Description | virtual package provided by gcj-6-jre, openjdk-8-jre, default-jre, gcj-5-jre, gcj-jre |
| Sub Section | Virtual |