/etc/bash_profile
#Java
export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.7.0_65.jdk/Contents/Home
export PATH=$PATH:$JAVA_HOME/bin
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
#Maven
export M2_HOME= /Users/apple/Desktop/software/maven-3.1.1
export PATH=$PATH:$M2_HOME/bin
#Scala
export SCALA_HOME=/Users/apple/Desktop/software/scala-2.10.5
export PATH=$PATH:$SCALA_HOME/bin
#Spark
export SPARK_HOME=/Users/apple/Desktop/software/spark-1.3.1-bin-hadoop2.6
export PATH=$PATH:$SPARK_HOME/bin:$SPARK_HOME/sbin