Maven is project object model (POM) based project management and comprehension tool software. It is a build automation tool, primarily with Java projects.
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Maven interview questions
- Question 1) What do you understand by maven software?
- Question 2) What are some problems which we face while the development of a project when Maven is not used?
- Question 3) What are the tasks which are performed by Maven?
- Question 4) What is the role of a build tool in Apache Maven?
- Question 5) List the differences between ANT and Maven.
- Question 6) Write the steps for installing Maven on windows.
- Question 7) What do you mean by Maven repository and its types?
- Question 8) Throw some light on the pom.xml file in Maven.
- Question 9) List all the dependency scope in Maven.
- Question 10) What are the three build life cycles of Maven? Mention them.
Below are the list of Best Maven interview questions and Answers
Question 2) What are some problems which we face while the development of a project when Maven is not used?
- Addition of set of jars in each project: when struts, spring, hibernate frameworks are used then a set of jar files needs to be added in each project. All the dependencies of jars should also be included.
- Creating a right project structure: for the execution of a project, a right project structure should be created in servlet, struts, etc. otherwise it won’t get executed.
- Building and deployment of a project: the project should be built and deployed so that it works and provides us with the desired output.
- A project can be easily built when using Maven.
- A uniform build process is provided by Maven.
- All the information regarding the project is provided by Maven. Information like- log document, cross-referenced sources, mailing list, dependency list, unit test reports, etc.
- New features of Maven are easy to migrate.
- Apache Maven helps in managing the following attributes-
- For generating a source code only if an auto-generated code is used.
- It is also used for generating documentation from the source code.
- It is used for the compilation of the source code.
- The packages which are compiled with the help of Maven are compiled into a JAR of a ZIP file.
- The packaged code in Maven is installed in the local repository, server repository, or central repository.
- Formal conventions are not present in ANT, due to which we need to provide the information of the project structure. Whereas, Maven has conventions which are needed to place the source or compiled the code. And hence we don’t need to provide the information.
- ANT is a procedural language which provides information about what to do and when to do. Whereas, Maven is a declarative language in which we define everything in the pom.xml file.
- ANT does not contain any life cycle. Whereas, there is a life cycle in Maven.
- ANT is a toolbox. Whereas, Maven is a framework.
- ANT is mainly a build tool. Whereas, Maven is basically a management tool.
- ANT scripts are not reusable. Whereas, Maven scripts are reusable.
- ANT scripts are less preferred. Whereas, Maven scripts are more preferred.
- Download Maven and extract it.
- Add JAVA_HOME and MAVEN_HOME in the environment variable.
- Add the environment path in Maven variable.
- The final step is the verification of Maven.
- Local repository: the local repository of Maven is located in the local system. It is created in the system when any Maven command is run.
- Central repository: the central repository is located on the web. The apache Maven community creates this repository by itself.
- Remote repository: the remote repository is also located on the web. It consists of such libraries which are missing from the central repository.
Maven first searches for the local repository, then the central and then the remote repository. If dependencies are not found, then Maven stops the execution and throws an error.
- Compile: it is the default scope and it also tells whether the dependency is available or not.
- Provided: it tell us that the dependency is provided dynamically i.e. at run time.
- Run time: it gives us the information that the dependency is not needed for compilation but is needed at the time of execution.
- Test: it says that dependency is available on for the test compilation and execution phases.
- System: it tells us that the system path needs to be provided.
- Import: it indicates that the dependency in the POM’s section should be placed in place of the identified POM.
- Clean- using this, the artefacts which are created by the prior build are cleaned.
- Default (build)- it is used for creating the application.
- Site- it is used for the projects and for generating site information.
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