CentOS配置JDK环境

1 .下载JDK,jdk1.7.0_80.gz

2. mkdir -p /usr/lib/java

3.sudo chmod -R 777 /usr/lib/java

4.tar -zxvf jdk1.7.0_80.gz

5.vim /etc/profile

#添加下面变量

export http_proxy
export JAVA_HOME=/user/lib/java/jdk1.7.0_80
export PATH=$JAVA_HOME/bin:$PATH
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

CentOS配置JDK环境

原文：http://www.cnblogs.com/jeffry/p/5066612.html