Maven-Maven is a powerful project management tool that is based on POM (project object model). It is used for project creation, dependencies and documentation

It makes a project easy to build

It is easy to migrate for new features of Maven

It provides project information (log documents, cross-referenced sources, mailing lists, dependency lists, unit test reports, etc.).

Read Also-Features of Java Programming Language that justifies its Popularity

Maven is a popular open-source build tool developed by Apache Group to build, publish, and deploy multiple projects simultaneously for better project management. This tool allows developers to build and document a lifecycle framework.

Maven focuses on simplification and standardization of the building process by taking care of the following

1. Builds
2. Documentation
3. Dependencies
4. Reports
5. SCMs
6. Distribution
7. Releases
8. Mailing list

Maven is loaded with many valuable and useful features, which goes a long way towards explaining its popularity. Here are some of Maven’s more noteworthy features:

  • A huge, continuously growing repository of user libraries
  • The ability to set up projects easily, using best practices
  • Dependency management, featuring automatic updating
  • Backwards compatible with previous versions
  • Strong error and integrity reporting
  • Automatic parent versioning
  • Ensures consistent usage across all projects
  • It’s extensible, and you can easily write plug-ins using scripting languages or Java.

Problems without maven:

1. Creating the right project structure: 

We have to create correct project structure in servlet, struts etc, otherwise it will not be executed.

2.Adding set of Jars in each project: 

In case of Struts, Spring, Hibernate framework, we need to add set of jar files to each project. It should also include all the dependencies of the jar.

3. Building and Deploying the project: 

We must have to build and deploy the project so that it may work.

What is build tool ?

A build tool is a tool that automates everything related to building the software project. Building a software project includes below activities:

Generating documentation from the source code.

Installing the packaged code on a server, in a repository, or elsewhere.

Packaging compiled code into JAR files or ZIP files.

Compiling source code.

Generating source code (if auto-generated code is used in the project).

Any software project may contain more activities than are necessary to create finished software. Such activities can usually be plugged into a build tool, so these activities can also be automated.

Advantage of Automating the build process:

you can minimize the risk of humans making errors while building the software manually. Additionally, an automated manufacturing tool is generally faster than a human performing the same steps manually.

Maven vs. Ant

Ant is another popular build tool by Apache. If you used to Ant and you try to learn Maven, you will observe a difference in the approach of the two projects.

.Ant uses a mandatory approach, meaning you specify in the Ant build file what actions Ant should take. You can specify low level actions like copying files, compiling code, etc.

Mahesh Wabale
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