Environment variables of windows DOS command window
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Java
When installing Maven today, I encountered MVN - V, which shows that MVN is not the command line and the environment variable Maven_ Home and path paths are configured.
First, check the environment variables under Windows:
Found no problem.
It is found that there is a problem parsing in the path. It is found that there is an extra space. You can see it after correction.
You can now use the MVN - V command“
In addition:
Differences between windows and Linux [1]
1、 View the names and values of all environment variables: Next: exportwindows: Set 2. Check the value of the environment variable according to the name: Linux: echo $environment variable name, such as echo $oracle_ Homewindows: set environment variable name
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