[java] How can I change Mac OS's default Java VM returned from /usr/libexec/java_home

It's actually pretty easy. Let's say we have this in our JavaVirtualMachines folder:

  • jdk1.7.0_51.jdk
  • jdk1.8.0.jdk

Imagine that 1.8 is our default, then we just add a new folder (for example 'old') and move the default jdk folder to that new folder. Do java -version again et voila, 1.7!

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