Re-enable the Apple-provided Java SE 6 web plug-in and Web Start features

Use this at your own risk as Apple, and most people distrust JAVA.


Taken from http://support.apple.com/kb/HT5559

1. Open Terminal, located in the Utilities folder.
2. Enter this command, then press the Return or Enter key: 

   sudo mkdir -p /Library/Internet\ Plug-Ins/disabled 

3. Enter this command, then press the Return or Enter key:

   sudo mv /Library/Internet\ Plug-Ins/JavaAppletPlugin.plugin /Library/Internet\ Plug-Ins/disabled

4. Enter this command, then press the Return or Enter key:

   sudo ln -sf /System/Library/Java/Support/Deploy.bundle/Contents/Resources/JavaPlugin2_NPAPI.plugin /Library/Internet\ Plug-Ins/JavaAppletPlugin.plugin 

5. To re-enable Java SE 6 Web Start, enter this command, then press the Return or Enter key:

   sudo ln -sf /System/Library/Frameworks/JavaVM.framework/Commands/javaws /usr/bin/javaws

Additional Information

The following steps will undo the above commands and restore Java 7 in OS X Lion and later.

1. Disable Java SE 6 Web Start opening:
   • Enter this command, then press the Return or Enter key:

   sudo ln -sf /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/javaws /usr/bin/javaws
   

   • When prompted, enter your administrator password, then press the Return or Enter key.
2. Re-enable the Java 7 applet plug-in by downloading and reinstalling the latest version of Oracle Java 7 JRE.