A brief discussion on how to set up environment variables in Java

This article brings you a brief discussion of how to build environment variables in Java. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

Install JDK development environment

jdk download address: https://www.oracle.com/technetwork/java/javase /downloads/jdk10-downloads-4416644.html, select the corresponding version to download (Remember the installation address during the installation process, you will use later)

JDK environment variable configuration

Steps: Right-click "Computer"-> Right-click-> Properties Open the "System Panel" ”

Create a new JAVA_HOME environment variable, JAVA_HOME=C:\Java\jdk1.8.0_144

Modify the path environment variable, add %JAVA_HOME at the end of the path variable %\bin (separate with semicolon ";")

Create a new classpath environment variable, classpath=.;%JAVA_HOME%\lib;% JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\tools.jar (Note the preceding symbols ".;")

Check the java and javac commands

Enter Java or javac in cmd

If you get the above output, it means the installation is successful

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