Java

Check if Java is already installed

$ java -version

If you see an output like below then Java is already installed on your machine so skip the next step.

java version "1.8.0_45"
Java(TM) SE Runtime Environment (build 1.8.0_45-b14)
Java HotSpot(TM) 64-Bit Server VM (build 25.45-b02, mixed mode)

If you don't see the output like above then you need to install Java on your system. Please download the OS X version from theOracle website.

Check if Java is correctly installed by running thejava -versioncommand again.

AddJAVA_HOMEto your environment variables by adding the line below to yourenv.sh.

export JAVA_HOME="`/usr/libexec/java_home -v 1.8`"

You should have JAVA working now. You can useEclipseorIntelliJas your Java IDE.

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