Mac OS 安装 java JDK

环境变量配置
touch .bash_profile
写入内容

JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk-10.0.1.jdk/Contents/Home
PATH=$JAVA_HOME/bin:$PATH:.
CLASSPATH=$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/dt.jar:.
export JAVA_HOME
export PATH

source .bash_profile
java –version

java 10.0.1 2018-04-17
Java(TM) SE Runtime Environment 18.3 (build 10.0.1+10)
Java HotSpot(TM) 64-Bit Server VM 18.3 (build 10.0.1+10, mixed mode)

参考：
1.MAC安装JDK及环境变量配置