linux centos7安装openjdk11命令整理

openjdk tar包下载地址

OpenJDK： http://jdk.java.net/java-se-ri/11

卸载已有openjdk

查看
rpm -qa | grep java
rpm -qa | grep jdk

批量卸载
rpm -qa | grep jdk | xargs rpm -e --nodeps
rpm -qa | grep java | xargs rpm -e --nodeps

在线安装方式

# 可以不用执行，查找安装包
yum search java-11-openjdk	

# 安装
yum install -y java-11-openjdk java-11-openjdk-devel		

link: https://www.jb51.net/article/224194.htm