1. Install JDK
Oracle’s official website: www.oracle.com/cn/java/tec…
2. Configure environment variables
【 This computer 】→【 right-click 】→【 properties 】→【 Advanced system Settings 】
| The variable name | A variable’s value |
|---|---|
JAVA_HOME |
JDK Installation Path |
CLASSPATH |
.; %JAVA_HOME%\lib; %JAVA_HOME%\lib\dt.jar; %JAVA_HOME%\lib\tools.jar |
path |
%JAVA_HOME%\bin |
3. Check the Java environment
【win+R】 Open, enter CMD
Java # Check whether the Java environment is configured successfully. Javac # Check the Java versionCopy the code