java-development.sh

 vi /etc/profile.d/java-development.sh 

export JAVA_HOME=/usr/local/java/jdk1.7.0_55
export JRE_HOME=$JAVA_HOME/jre
export CLASSPATH=.:$JAVA_HOME/lib:$JRE_HOME/lib:$CLASSPATH
export PATH=$JAVA_HOME/bin:$JRE_HOME/bin:$PATH
[root@AY1404171530212980a0Z ~]# source /etc/profile