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.

Which version of Java should you use in Linux? Learn how to easily switch between different versions with a tutorial from Jack Wallen.

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.

While Ubuntu does not come with Java’s JDK preinstalled, it does come prepackaged with the ability to easily install Java with the apt command. How to install Java on Ubuntu To quickly install Java on ...