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I installed Java 7 using the instructions here: http://www.wikihow.com/Install-Oracle-Java-on-Ubuntu-Linux

I want to know how to revert this i.e. uninstall Java 7.

I am on Ubuntu 13.10 64 bit

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2 Answers 2

Execute this command in a Terminal : sudo rm -rf /usr/local/java/j*.17.0_*/. This will remove Java binaries.

Now what you have to do is setting valid alternatives for Java commands. For this you can use the Alternatives Configurator program or the (sudo) update-alternatives command.

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up vote 1 down vote accepted

I followed the instructions on this answer: http://askubuntu.com/a/185531/63030

Only thing I did different was that Java's files were in /usr/local/java and not /usr/lib/jvm.

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