Why we need to add dependencies in POM xml?

The way it works is that it allows you to define dependencies to external libraries that your project needs, and when you use Maven to build your project it will fetch these libraries from the web (external repositories) and add them to your built project. So it’s an automatic handling of dependencies.

What are the advantages of using a POM xml file?

Reduced duplication: Maven projects can use a Project Object Model (POM), in order to reduce the duplication that generally exists in Ant ventures. For example, instead of having each and every Ant build. xml that deals, with each one of the interest of configuring Sonar properties.

What is dependency in POM xml?

Maven – External Dependencies

1. External dependencies (library jar location) can be configured in pom. xml in same way as other dependencies.
2. Specify groupId same as the name of the library.
3. Specify artifactId same as the name of the library.
4. Specify scope as system.
5. Specify system path relative to the project location.

What is a dependency pom xml?

POM is an acronym for Project Object Model. The pom. xml file contains information of project and configuration information for the maven to build the project such as dependencies, build directory, source directory, test source directory, plugin, goals etc.

What is dependency management in POM XML?

The dependency management section is a mechanism for centralizing dependency information. When you have a set of projects that inherit from a common parent, it’s possible to put all information about the dependency in the common POM and have simpler references to the artifacts in the child POMs.

Which of the following are benefits of using Maven over Ant?

The benefits of Maven over Ant are many: Better dependency management – Maven is superior to Ant when it comes to dependency management. Maven can create reports showing all the dependencies used on a project.

What is effective POM in Maven?

Effective POM combines all the default settings from the super POM file and the configuration defined in our application POM. Maven uses default values for configuration elements when they are not overridden in the application pom.xml.