関連ワード:  echo java_home windows command line    set java_home windows command line    set java_home windows command line temporary    set java_home windows command prompt    set java_home windows 11 command line    set java_home windows 10 command line    set java_home windows 10 command line without admin rights    set java_home environment variable windows command line    set java_home and path in windows command line    echo java_home not working