Following a number of reports of new zero-day vulnerabilities in the Java browser plug-in, Oracle has today released an emergency update to Java 7 as Apple updates Java SE 6 to version 1.6.0_43 ...

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

You can check which Java version is on your Mac to see if you have the most up-to-date Java running, or you can check on the Java website.

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