centos7.5 安装jdk环境

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[root@manage ~]# mkdir /application/
[root@manage ~]# tar -xf jdk-8u112-linux-x64.gz -C /application/
[root@manage ~]# ln -s /application/jdk1.8.0_112 /application/jdk
[root@manage ~]# vim /etc/profile
export JAVA_HOME=/application/jdk
export CLASSPATH=.:${JAVA_HOME}/jre/lib/rt.jar:${JAVA_HOME}/lib/dt.jar:${JAVA_HOME}/lib/tools.jar
export PATH=$PATH:${JAVA_HOME}/bin
:wq!
[root@manage ~]#source /etc/profile
[root@manage ~]# java -version
java version "1.8.0_112"
Java(TM) SE Runtime Environment (build 1.8.0_112-b15)
Java HotSpot(TM) 64-Bit Server VM (build 25.112-b15, mixed mode)

ok!