Java used to be deeply embedded in OS X, but in recent versions of the OS it's an optional install. Here is how to check to see if it is installed, and how to disable or remove it.

To check which version of Java you have on your Windows computer, you'll need to open the Command Prompt.

This post explains how to install Java or check which version is running on your machine. Install on any OS, and learn about the JDK.

If you need Java only for installed applications, then it goes without saying that the safest way to live with Java is to disabled online use system-wide using the magic checkbox introduced in ...