How to configure java environment variables

First, right-click My Computer and click "Properties" in the drop-down menu

Secondly, click "Advanced" on the left System Settings"

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Click "Environment Variables" in the new dialog box

Click "New"

The variable name is "JAVA_HOME", and the variable value is the path when installing jdk

Next find "CLASSPATH", if not, click "New"

The variable name is "CLASSPATH" variable value" .;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar;”

Find the Path, edit it, and replace it with its original Add ";%JAVA_HOME%\bin;%JAVA_HOME%\jre\bin;" before the variable value. The method of adding is this: C:Variable value

Finally, Just click OK.

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