Maven - Interview Questions and Answers for 'Dependencie' | Search Interview Question

Maven - Interview Questions and Answers for 'Dependencie' - 8 question(s) found - Order By Rating

Q1. If Project A is calling web service of project B and there are some changes in project B, Will Project A needs to be rebuilt ?

Maven

Ans. That depends if the interface for the resource in Project B gets changed. If only the internal implementation is changed, No change is required in Project A. Project A is not even required to be rebuilt.

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Q2. What would you do if you have to add a jar to the project using Maven ?

Maven

Ans. If its already there in Maven local repository, We can add that as a dependency in the project pom file with its Group Id, Artifact Id and version.

We can provide additional attribute SystemPath if its unable to locate the jar in the local repository.

If its not there in the local repository, we can install it first in the local repository and then can add it as dependency.

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Q3. How can we see Dependencies for the project and where exactly they are defined ?

Maven

Ans. Using

mvn dependency:tree

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Q4. What is a transitive dependency ? Can we override Transitive Dependency version and If Yes, how ?

Maven

Ans. Transitive dependency is the dependencies not defined directly in the current POM but the POM of the dependent projects.

Yes we can override transitive dependency version by specifying the dependency in the current POM.

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Q5. What are the benefits of transitive depency in Maven ?

Maven

Ans. Transitive dependencies allows to avoid specifying the libraries that are required by the project which are specified in other dependent projects - Remote or Local.

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Usually asked to experienced developers.

Q6. What is a cyclic dependency ?

Maven

Ans. A has dependency of B, B has dependency of C and C has dependency of A

With Maven 2 , came transitive dependency wherein in above scenario, C will acts as a dependency of A as if this dependency has been defined directly in A but the negative side is that if it leads to cyclic dependency , it creates problems.

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Q7. How do I determine which POM contains missing transitive dependency?

a. mvn -A
b. mvn -M
c. mvn -R
d. mvn -X

Maven

Ans. mvn -X

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Q8. Which of the following is not a dependency scope in Maven ?

a. Compile
b. Test
c. System
d. Export

Maven

Ans. Export

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Q9. Which of the following is not the dependency scope in Maven ? Reference

Maven

a. Compile

b. Runtime

c. Debug

d. Test

Ans.c. Debug

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