yum安装openjdk

含有的命令:yum,java -version,javac,source,vim

[[email protected] ~]# yum -y install java-1.8.0-openjdk-devel //安装java

[[email protected] ~]# java -version //查看java版本

yum安装openjdk

==配置环境变量==

[[email protected] ~]# vim /etc/profile

在下面加入

export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.x86_64

export PATH=$JAVA_HOME/bin:$PATH

export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

[[email protected] ~]# source /etc/profile //不重启刷新环境变量

[[email protected] ~]# javac //配置完成后显示结果如下

yum安装openjdk