1.下载jdk压缩包:
http://download.oracle.com/otn-pub/java/jdk/7u55-b13/jdk-7u55-linux-x64.tar.gz
2.解压缩jdk
3.设置环境变量(隐藏文件)
.bashrc
文件最后添加3个参数:
export JAVA_HOME=/home/zxx/APPS/jdk/
export CLASSPATH=${JAVA_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH
4.应用设置的环境变量
source .bashrc
5.测试jdk
java -version