If you’re still on Java 1.6 or earlier, there are many critical issues that many of us know about. Not only on the Mac but if Java is not updated to the latest version, or if you somehow got into spyware sites, exploits could occur through Java/Applets. There are some times when you have to use v1.6 because of compatibility issues, but I’ll save that for another entry.
To check what version you have, open up a terminal on your Mac.
Once you get there, type in “java -version”. This will tell you what version you have at the moment.
As you can see, I have version 1.6 installed. Usually you can update Java with Apple’s Software Update, but if that’s not possible proceed to download the latest from Oracle: http://www.oracle.com/technetwork/java/javase/downloads/jre7-downloads-1637588.html.
In the following posts I’ll explain some problems and other useful tips that you may encounter when updating Java.
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