到该用户目录下:

1.   将jdk-7u79-linux-i586.tar.gz上传，解压缩，此步骤必须要做

2.    vi  .bashrc 

3.      添加

        JAVA_HOME=/home/gtps/java/jdk1.7.0_79

        PATH=$JAVA_HOME/bin:$PATH         CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar         export JAVA_HOME         export PATH         export CLASSPATH

3. source .bashrc