set jvm

#
# Java Version
jv () {
  versions=($(/usr/libexec/java_home -V 2>&1 | \
    grep -oE "^[^/].*/JavaVirtualMachines/.*" | \
    sed 's/^\s*\([0-9\._]\+\) (.*) \".*\" - \".*\" \/.*\/JavaVirtualMachines\/.*$/\1/'))
  short_versions=($(/usr/libexec/java_home -V 2>&1 | \
    grep -oE "^[^/].*/JavaVirtualMachines/.*" | \
    sed 's/^.* - \"[a-zA-Z ]\+\([0-9]\+\)[0-9\.]*\" \/.*\/JavaVirtualMachines\/.*$/\1/'))

  if [[ " ${short_versions[*]} " =~ " ${1} " ]]; then
    index=$(echo ${short_versions[@]/$1//} | cut -d/ -f1 | wc -w | tr -d ' ')
    version=${versions[$index]}
    export JAVA_HOME=$(/usr/libexec/java_home -v $version)
    export PATH=$(echo $PATH | sed -E "s|/Library/Java/JavaVirtualMachines/[^:]*/bin|$JAVA_HOME/bin|")
    java -version
  else
    java -version
    echo -e "\nAvailable versions: $(echo ${short_versions[*]} | xargs -n1 | sort -g | xargs)"
  fi
}