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                        sudo apt-get install default-jdk

            If you have another version of java installed, please make sure that java 1.8 is set to be the version you are using. Execute

                        sudo update-alternatives --config java

            The result should look something like this:

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            Choose java 8 by entering the corresponding selection number.

MySQL

            You must know your MySQL root password or have a database ready with a username and password. To check if you have MySQL installed, simply type mysql into the Terminal. If you don’t have it installed use the command:

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