default-java-plugin software package provides Default Java Plugin for running applets and Java Web Start applications, 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 default-java-plugin
default-java-plugin is installed in your system.
Make ensure the default-java-plugin package were installed using the commands given below,
$ sudo dpkg-query -l | grep default-java-plugin *
You will get with default-java-plugin package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Java |
| Package | default-java-plugin |
| Version | 2:1.8-57 |
| Description | Default Java Plugin for running applets and Java Web Start applications |
| Sub Section | Java |