Detailed explanation of Exclusions tags in maven

Explanation Exclusion Tag

1The function of this tag is to exclude the introduction of association dependencies, because maven's pom dependencies are in it
   One thing is to introduce all the associated dependencies into it2The function of this tag is to if the associated dependencies and other dependencies introduced may conflict,
   The associated dependencies must be excluded, so use this tag.3In addition, this +s, everyone should also understand that it can contain multiple ones!  !  !  !

Dependency: Project-A>Project-B>Project-C, but Project-A does not depend on Project-C. The configuration in Project-A should be carried out as follows:

<dependency>
      <groupId>sample.ProjectB</groupId>
      <artifactId>Project-B</artifactId>
      <version>1.0</version>
      <scope>compile</scope>
      <exclusions>
        <exclusion>  <!--declare the exclusion here-->
          <groupId>sample.ProjectC</groupId>
          <artifactId>Project-C</artifactId>
        </exclusion>
      </exclusions> 
  </dependency>

A depends on B, B depends on C. If A depends on B in maven, then A depends on C indirectly. If A requires that A does not need to rely on C, the function of this tag will be used at this time.