Groupid(artifact id)

Hello everyone, meet again, I'm your friend Quanstack Jun.

What are groupid and artifactId?

groupid and artifactId are collectively referred to as "coordinates", which are proposed to ensure the uniqueness of the project. If you want to get your project to the maven local warehouse, you must find your project according to these two ids.Find.groupId and artifactId are the fields that maven uses to distinguish when managing project packages, just like coordinates on a map.artifactId: artifactId is generally the project name or module name.groupId: groupId is divided into several fields, such as cn.com.fullstack, the front com is called [domain], and the back is the domain name you created yourself.The groupId is generally divided into multiple segments, here I only mention two segments, the first segment is the domain, and the second segment is the company name.Domains are divided into org, com, cn, etc., among which org is a non-profit organization and com is a commercial organization.Take the tomcat project of apache company as an example: the groupId of this project is org.apache, its domain is org (because tomcat is a non-profit project), the company name is apache, and the artigactId is tomcat.

【Function】

Generally speaking, the root directory of the package name=groupId+artifactId.This is not allowed to be repeated with others, especially for projects that need to be launched.Generally, companies will register a domain name (the kind used for URL) in order not to repeat, so that it will not be repeated.

4.0.0 Springboot project creation must inherit the parent classorg.springframework.bootspring-boot-starter-parent2.2.0.RELEASE  GAV coordinatescom.offcnspringbootdemo0.0.1-SNAPSHOTspringbootdemoDemo project for Spring Boot1.8 Two dependencies that springboot must haveorg.springframework.bootspring-boot-starter-weborg.springframework.bootspring-boot-starter-testtestorg.junit.vintagejunit-vintage-engineorg.projectlomboklombok1.18.10

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