（linux学习笔记）jdk11安装教程

linux mint19: https://www.baidu.com/s?ie=utf-8&f=3&rsv_bp=1&tn=monline_dg&wd=linux%20mint%2019&oq=jdk11&rsv_pq=ee1607d9000124a6&rsv_t=c17eDEDAqs5qBoub2UflWQA8qeXEwocqgMOMQi5i%2F3Z7X41FQUDXPyup7ndCWmJYpA&rqlang=cn&rsv_enter=1&rsv_sug3=12&rsv_sug1=12&rsv_sug7=100&rsv_sug2=1&prefixsug=linux%2520mint%2520&rsp=0&inputT=4846&rsv_sug4=5412

jdk11: https://www.baidu.com/baidu?wd=jdk11&tn=monline_dg&ie=utf-8

下载jdk11

卸载原来的jdk包括openjdk，使用sudo apt-get purge openjdk*

配置环境变量

1、管理包沫员权限打开etc/profile

2、在末尾添加配置信息#set jdk11JAVA_HOME=/usr/local/develop/jdk-11.0.1CLASSPATH=.:$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/dt.jar PATH=$JAVA_HOME/bin:$HOME/bin:$HOME/.local/bin:$PATH

重启电脑（一定要）

查看版之昆近本java -version 和javac -version