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.

Java Tester: This site contains all the resources you will need to verify your currently installed Java version. Java Tester also gives you tips to detect Java versions on Mac computers as well.

Check the Enabled option to permit the latest Java Runtime version. Click on OK button to apply the setting changes. Click OK in Java Control Panel to confirm the changes.

Check out these sites to verify your current Java version: www.java.com: Use this site to check the current version of Java and determine what updates you will need to do Java programming efficiently.