1解压
[root@nfs_Repo ~]#tar xf jdk-8u181-linux-x64.tar.gz
2创建软连接[root@nfs_Repo ~/jdk1.8.0_181/bin]#ln -s /root/jdk1.8.0_181/bin/java /usr/bin/java
3#配置环境变量[root@nfs_Repo ~/jdk1.8.0_181/bin]#vim /etc/profile#javaexport JAVA_HOME=/root/jdk1.8.0_181export PATH=$JAVA_HOME/bin:$PATHexport CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib
[root@nfs_Repo ~/jdk1.8.0_181/bin]#source /etc/profile
4#查看版本[root@nfs_Repo ~/jdk1.8.0_181/bin]#java -versionjava version “1.8.0_181″Java(TM) SE Runtime Environment (build 1.8.0_181-b13)Java HotSpot(TM) 64-Bit Server VM (build 25.181-b13, mixed mode)
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