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I have an ubuntu system and I want to replace my openjdk with oracle-jdk.

However if I remove my open-jdk and then install oracle-jdk, when I try to install some packages they want to install openjdk and I don't want this.

Is there any way to install those packages on top of oracle-jdk? One of those packages is freemind.

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migrated from stackoverflow.com Mar 6 at 17:22

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Which packages require open-jdk that you want to install? (besides freemind) –  Seth Mar 6 at 17:24

2 Answers 2

You don't need to remove openjdk in order to use / install the oracle's jdk. Just install the oracle's jdk and configure which java you want to use by configuring it with:

sudo update-alternatives --config java

You can find more help here: https://help.ubuntu.com/community/Java

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I need a way to have only one java on my ubuntu. tnx. –  little ali Mar 6 at 11:48

After removing openjdk, try this approach that worked for me:

Install oracle jdk 7 on ubuntu server (tested with ubuntu 12.0.4)

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

some more info here: https://launchpad.net/~webupd8team/+archive/java

(note to adapt this for your version of jdk)

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