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How to set JAVA_HOME environment variable on Mac

Note: This tip is for Mac OSX 10.5 or later


Apple recommends to set the $JAVA_HOME variable to /usr/libexec/java_home, just export $JAVA_HOME in file ~/. bash_profile

You might not have .bash_profile present on your system already. No worries we will create/update the profile in next step.

Open Terminal:

$ vi ~/.bash_profile

Initially the vi editor will not be in edit mode, press 'i'.

Update file by exporting variable:


export JAVA_HOME=$(/usr/libexec/java_home)

to the file (in the vi editor which we opened using the previous command)

Saving and Closing the .bash_profile file opened inside vim editor:

Press escape (while still inside the vi editor)
type ":wq!" or press "Shift + zz" to save and exit the file.




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