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How to install oracle java 7 in ubuntu

Jun-23-2013 By nilands55s

First you need to remove openjdk for this run the following command from your terminal

sudo apt-get purge openjdk*

If you installed java 7 from any other PPA and you are having problem with java then you have to do following steps before installing the PPA menctioned here

sudo rm /var/lib/dpkg/info/oracle-java7-installer*
sudo apt-get purge oracle-java7-installer*
sudo rm /etc/apt/sources.list.d/*java*
sudo apt-get update

Install oracle java 7 in ubuntu 13.04/12.10/12.04
Open the terminal and run the following commands

sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java7-installer

You are done

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