How to check current java software installed on mac?

Hi, I have the macbook pro with mountain lion 10.8.2 software currently installed on it. I am also a really forgetful person and whenever I get an update alert on the app store, I dont bat an eye; I just hit install. I now have been hearing about this hole in the java software and it has me worried, I was told that apple released a software on the 19th of february but I can not for the life of me remember if i did update that particular software, is there a way to check? I would really appreciate some help.

Unless you specifically installed Java it is not on your system Apple stoped shipping their machines with Java installed a while back.
However if you want to make sure that Java is not installed open a Terminal window (/Applications/Utilities/Terminal or enter Terminal in a spotlight search).
When the window opens enter
java --version
If java is installed you'll get its version number back if not this window will open
and then press Not Now

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