1、下载并安装JDK
2、右键点击“我的电脑” --> “属性” --> “高级” --> “环境变量” --> “系统变量” -->
(1)在Path中后续添加:;F:\Program Files\Java\jdk1.7.0_75\bin
(2)新建ClassPath:;F:\Program Files\Java\jdk1.7.0_75\lib\tools.jar;F:\Program Files\Java\jdk1.7.0_75\jre\lib\rt.jar
(3)新建JavaHome:F:\Program Files\Java\jdk1.7.0_75