CentOS7.6安装jdk1.8

CentOS7.6安装jdk1.8 openjdk

1、查看JDK版本

yum search java|grep jdk

2、安装jdk1.8，安装默认的目录为： /usr/lib/jvm/

yum install java-1.8.0-openjdk java-1.8.0-openjdk-devel

3、配置环境变量

vi /etc/profile
export JAVA_HOME=/usr/lib/jvm/java-1.8.0
export JRE_HOME=$JAVA_HOME/jre
export PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib

4、环境变量配置生效

source /etc/profile

5、验证是否安装配置成功

[root@web03 ~]# java -version
openjdk version "1.8.0_242"
OpenJDK Runtime Environment (build 1.8.0_242-b08)
OpenJDK 64-Bit Server VM (build 25.242-b08, mixed mode)

CentOS7.6安装jdk1.8

原文：https://www.cnblogs.com/Ant-Hanks/p/13053643.html