Java
— a programming language often used to create games, applications and
so-called applets that can be embedded within Web pages — has had a
number of issues within the last year, which has led some security
experts to recommend uninstalling the software. As part of its own
security efforts, Mozilla now purposely blocks some versions of the Java
browser plug-in from running in Firefox.
The Java software itself is still
probably on your computer, despite the browser’s refusal to run it.
However, Mozilla does allow you to reinstate Java for sites you
regularly visit and trust.
Mozilla’s site has instructions enabling
Java again if Firefox is blocking it. If the Java browser plug-in is
actually missing, you can find steps for reinstalling it on a Mozilla
support page if you absolutely need to use the software.
Java is different from the JavaScript
scripting language used by many Web sites to create pop-up menus and
other elements that make pages more interactive. Mozilla has information
about the JavaScript settings in Firefox on its support site.
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