centos7安装jdk 压缩包方式

mkdir /usr/lib/jvm

tar -zxvf jdk-7u60-linux-x64.gz -C /usr/lib/jvm

vim ~/.bashrc

#set oracle jdk environment
export JAVA_HOME=/usr/lib/jvm/jdk1.7.0_60 ## 这里要注意目录要换成自己解压的jdk 目录
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH

 source ~/.bashrc

java -version