OSX Java JRE7 JRE8 – Uninstall

source: https://www.java.com/en/download/help/mac_uninstall_java.xml

Uninstall Oracle Java using the Terminal

Note: To uninstall Java, you must have Administrator privileges and execute the remove command either as root or by using the sudo.
Remove one directory and one file (a symlink), as follows:

  1. Click on the Finder icon located in your dock
  2. Click on the Utilities folder
  3. Double-click on the Terminal icon
  4. In the Terminal window Copy and Paste the command below:
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sudo rm -fr /Library/Internet\ Plug-Ins/JavaAppletPlugin.plugin
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sudo rm -fr /Library/PreferencePanes/JavaControlPanel.prefpane

Do not attempt to uninstall Java by removing the Java tools from 

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/usr/bin

. This directory is part of the system software and any changes will be reset by Apple the next time you perform an update of the OS.