刷机后的环境变量

CLASSPATH
.;%JAVA_HOME%\lib;%JAVA_HOME%\lib\tools.jar

JAVA_HOME
%jdk7%

jdk6
H:\java6\jdk1.6

jdk7
H:\java7\jdk1.7.0_75

jdk8
H:\Java\jdk1.8.0_152

M2_HOME
J:\apache-maven-3.5.2-bin\apache-maven-3.5.2

Path
%JAVA_HOME%\bin;%JAVA_HOME%\jre\bin;F:\mysql-5.7.20-winx64\mysql-5.7.20-winx64\bin;%M2_HOME%\bin;

 

2、linux下怎么安装jdk

 https://blog.csdn.net/qq_42815754/article/details/82968464