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#snippets Set Java Version on Mac OS

function javaenv
   if test (count $argv) -eq 0
       /usr/libexec/java_home -V
   else
       switch $argv[1]
       case 'ls'
           /usr/libexec/java_home -V
       case 'set'
           set --erase JAVA_HOME
           set -xU JAVA_HOME (/usr/libexec/java_home -v $argv[2])
       end
   end
end