--- title: 'Ubuntu 22.04 JAVA_HOME 設定' tags: java,ubuntu description: Ubuntu 22.04 JAVA_HOME 設定 --- # Ubuntu 22.04 JAVA_HOME 設定 --- [TOC] --- ## Ubuntu 22.04 JAVA_HOME 設定 Output java 資訊 ``` terminal sudo update-alternatives --config java ``` 設定JAVA_HOME，新增JAVA_HOME ``` terminal sudo vim /etc/environment ``` ![](https://i.imgur.com/JRroR5q.png) ``` terminal source /etc/environment ``` 印出$JAVA_HOME ``` terminal echo $JAVA_HOME ``` --- ## 參考鏈結 https://itsubuntu.com/how-to-set-java_home-environment-variable-on-ubuntu-22-04/