How to install a specific JDK on Mac OS X?

In a comment under @Thilo’s answer, @mobibob asked how to set JAVA_HOME in your .bash_profile on a Mac. Answer:

export JAVA_HOME=`/usr/libexec/java_home` 

This will dynamically assign to JAVA_HOME the location of the first JDK listed in the “General” tab of “Java Preferences” utility.

See Apple Technical Q&A 1170: https://developer.apple.com/library/content/qa/qa1170/_index.html

EDIT:

If you prefer parentheses to backticks for command substitution, this also works:

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

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