Java download install and set environment variables

:https://www.oracle.com/cn/index.html

environment variable settings:

Win7: Right-click on "Computer", "Properties", "Advanced system Settings", "Environment variables";

Java_home: Configure the installation path of the JDK;

PATH: Configure the location of the JDK command file;

CLASSPATH: Configure the location of the class library file;

Java_home:c:\program files\java\jdk1.8.0_112

PATH:;%java_home%\bin;

CLASSPATH:.; %java_home%\bin;%java_home%\lib\dt.jar;%java_home%\lib\tools.jar

Java download install and set environment variables