Mainly used to record Java, DBMS, HDFS... related learning notes
View the Project on GitHub zhangymPerson/learning-notes
查看环境变量
快捷键 win+r - cmd - path 即可查看
win+r
cmd
path
查看指定的变量 set JAVA_HOME
set JAVA_HOME
查看环境变量的命令
powershell : Get-ChildItem env:
Get-ChildItem env:
查看指定的 : $env:JAVA_HOME
$env:JAVA_HOME