$java --version
Unrecognized option: --version
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.


$java -version
java version "1.7.0_17"
OpenJDK Runtime Environment (IcedTea7 2.3.8) (7u17-2.3.8-1ubuntu1)
OpenJDK Server VM (build 23.7-b01, mixed mode)