Java Development environment

Installation path for JAVA_HOME:JDK

Path: System Environment Command

CLASS_PATH:JDK Class Library Path

Configure environment variables: Computer → properties → advanced system settings → environment variables → new variable name: Java_home Variable Value: JDK installation path CLASSPATH:.;  %java_home%\lib\dt.jar;%java_home%\lib\tools.jar; Path:%systemroot%\system32

Open cmd Command window: Enter command Javac, which is a command of the JDK, jumping out of the content indicates that the JDK configuration is complete

Input Java, popup content indicates JRE configuration complete

Java Development environment