所安装的jdk目录：C:\development\jdk\jdk1.8.0_91
C:\development\jdk\jdk1.8.0_91
%JAVA_HOME%\bin
%JAVA_HOME%\jre\bin
.;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar;
java -version
java环境变量配置
原文：https://www.cnblogs.com/jinshengnianhua/p/14724103.html
