# tar zxvf jdk-7u80-linux-x64.tar.gz # mkdir /usr/local/java # mv jdk1.7.0_80/ /usr/local/java/
建立环境变量脚本,添加内容以下java
# vim /etc/profile.d/java.sh
JAVA_HOME=/usr/local/java/jdk1.7.0_80 JRE_HOME=/usr/local/java/jdk1.7.0_80/jre CLASS_PATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin export JAVA_HOME JRE_HOME CLASS_PATH PATH
使环境变量脚本具备可执行权限,并生效linux
# chmod +x /etc/profile.d/java.sh # source /etc/profile
验证,查看jdk版本apache
# java –version