Maven: Implicit variables in pom.xml file

Maven provides below three implicit variables to access environment, project and settings configuration.

Below table summarizes these three implicit variables.

Variable	Description
env	Used to access the environment variables of the operating system. Ex: ${env.PATH}
project	Used to access the project variables in pom.xml. Ex: ${project.groupId}
settings	By using this, you can access the settings configuration located at ~/.m2/settings.xml file. Ex: ${settings. profile} access the profile element in settings file.

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