java-virtual-machine software package provides virtual package provided by gcj-jre-headless, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install java-virtual-machine
java-virtual-machine is installed in your system.
Make ensure the java-virtual-machine package were installed using the commands given below,
$ sudo dpkg-query -l | grep java-virtual-machine*
You will get with java-virtual-machine package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Virtual packages |
| Package | java-virtual-machine |
| Version | |
| Description | virtual package provided by gcj-jre-headless |
| Sub Section | virtual |