what is maven

Maven is a project management tool that contains a project object model, a set of standards, a project life cycle, a dependency management system, and logic for running plug-in goals defined in the life cycle stages . Maven is a powerful project management tool that provides one-stop service from project creation to deployment. By using Maven, developers can manage projects more efficiently, handle dependencies, build and test code, and more.

The operating system for this tutorial: Windows 10 system, DELL G3 computer.

Maven is a project management tool that includes a project object model (POM: Project Object Model), a set of standards, a project life cycle, a dependency management system, and a Defines the logic of plugin goals in life cycle phases.

First of all, Maven is a cross-platform project management tool that mainly serves project creation, dependency management and project information management based on the Java platform. It is an automated build tool used to compile, test, package and deploy projects. Maven provides a unified build process and project management method, allowing developers to focus more on the project itself without spending a lot of time on build and dependency management.

Secondly, Maven uses a project object model based on POM. POM is the metadata information of the project, including various attributes and configuration information of the project. Through POM, Maven can perform various operations on the project, such as compiling source code, running tests, generating documentation, etc. POM files are written in XML format, allowing developers to easily manage and configure project information.

In addition, Maven also provides a set of standard collections, which are a set of commonly used plug-ins and configurations used to implement common development tasks and processes. For example, Maven provides a standard collection for generating web applications. Developers only need to configure the corresponding plug-ins and dependencies in the POM file to quickly generate the skeleton of the web application.

In addition, Maven also defines a project life cycle, which includes a series of standard phases (phases), each phase has specific tasks and goals. Developers can extend these stages by defining plug-ins to implement custom processes and behaviors. The concept of life cycle allows Maven to easily manage and control the project's construction process.

Finally, Maven also provides a dependency management system, which can automatically download and manage the dependency libraries and plug-ins required for the project. Developers only need to specify the coordinate information of dependencies in the POM file, and Maven can automatically download the required dependency libraries and add them to the project. This function greatly simplifies the dependency management process and improves development efficiency.

To sum up, Maven is a powerful project management tool that provides one-stop service from project creation to deployment. By using Maven, developers can manage projects more efficiently, handle dependencies, build and test code, and more. At the same time, Maven also provides a rich plug-in system and documentation support, allowing developers to easily extend its functions and troubleshoot problems.

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