Updating java in linux
Supports in-system programming of flash devices through RS232, USB or CAN.The software runs on Windows 9x, Windows ME, Windows NT, Windows2000, Windows XP, Windows Vista, Windows 7, Windows 8 and Linux x86.To set which is default, simply install its "set-default" package: oracle-java8-set-default for Oracle Java 8, or oracle-java9-set-default for Oracle Java 9.
On Windows, make sure you select the 32-bit JRE since Firefox and Sea Monkey official releases are 32-bit (e.g., select "Windows x86 Offline" for the offline installer linked from Oracle's Java SE Downloads page).Everything is done automatically so you'll get updates through the update manager for JDK8 which includes JRE8 and the Java browser plugin.It's also important to note that the Oracle Java 8 installer is considered in alpha and is offered without any guarantees! If you ISP or router blocks the ports used by the Oracle Java 8 download servers, the installation may fail.The Java plugin name shown will depend on your operating system and Java version.On Mac OS, the Java plugin is shown as Java Applet Plug-in (on Mac OS X 10.6 or below, it may also be listed as Java Plug-in 2 for NPAPI Browsers).
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If you only see the Java Deployment Toolkit plugin listed in the Add-ons Manager, then Java is not properly detected.