What is the environment variable
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2019-07-02 16:32:45
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Why To configure these environment variables?
First, understand what is the environment variable. Environment variables are used to specify the operating system environment variables in the operating system.
Java_home variables define the JDK installation directory, path variables when the system does not need to run a command to tell it where the full path to the program, in addition to the system to find this command in the current directory, it will also find the path specified in accordance path .
User by setting the environment variables, you can run a better process.
Purpose Classpath, you can find the class Java program that you want to perform the required directory or under which the package.
Origin www.cnblogs.com/weibanggang/p/11119106.html