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I want to play Java games on my Ubuntu 16.04 LTS Laptop. I have looked at many tutorials across the web and keep getting confused and hitting error messages. Please help. (Former Windows User)

Owen.
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    Please edit your question to clearly explain exactly what you have tried and the complete, exact error messages that resulted. The details matter a lot. – user535733 Feb 19 '17 at 01:16
  • E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable) E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it? – Owen. Feb 19 '17 at 14:06
  • I can't do anything because of this message – Owen. Feb 19 '17 at 14:07
  • Next time, look just a little harder: http://askubuntu.com/questions/15433/unable-to-lock-the-administration-directory-var-lib-dpkg-is-another-process – user535733 Feb 19 '17 at 14:10

3 Answers3

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You can install java from the commandline with:

$ sudo apt install openjdk-8-jdk

You can get to a terminal commandline by hitting this keyboard shortcut: Alt+Ctrl+T

The $ you see in the commanline is the prompt you see when your enter the terminal mode. Type in the text the follows and press ENTER.

L. D. James
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If you would like to use Oracle's Java, you can install it with a PPA. First open a terminal by using Ctrl+Alt+T and run the following commands:

sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java8-installer

The first command adds the PPA so you are able to download Java. The second command 'refreshes' or 're-syncs' the avaliable packages. The last one installs Oracle's Java, version 8.

After it has installed, you can check by running:

java -version
Chai T. Rex
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dont-use-x86
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    Please use the {} button in the editor for multiline terminal commands, and surround keys with <kbd> and </kbd>. – Chai T. Rex Feb 19 '17 at 02:05
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I prefer to install Oracle's Java. Here are the steps:

Open a terminal with CTRL + ALT + T, or just type terminal in dash.

Then start typing . . .

1) First add the PPA 

sudo add-apt-repository ppa:webupd8team/java

2) Update your repositories

sudo apt-get update

3) Install Java version of your preference

sudo apt install oracle-java8-installer

If you prefer to install another Java version, just change "8" to your desired version, for example, if you want to install Java 6 just type this: sudo apt install oracle-java6-installer

4) Mark Java version as default (if you installed Java 8)

sudo apt install oracle-java8-set-default

In this link you can find more information about: http://tipsonubuntu.com/2016/07/31/install-oracle-java-8-9-ubuntu-16-04-linux-mint-18/

Sergio A Guzmán
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