centos6.5 修改java环境变量

[root@m1 ~]# cat /etc/profile

export JAVA_HOME=/usr/local/soft/jdk
export PATH=$JAVA_HOME/bin:$PATH
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

[root@m1 ~]# source /etc/profile