Java EE - Interview Questions and Answers for 'Deployment' | Search Java Interview Question

Java EE - Interview Questions and Answers for 'Deployment' - 8 question(s) found - Order By Newest

Frequently asked. Among first few questions in the J2EE segment of interview.

Q1. What is deployment descriptor ?

or

What is the use of deployment descriptor ?

Java EE

^{2016-06-04 22:46:40}

Ans. Deployment Descriptor which is usually web.xml is used to specify the classes, resources and configuration of the application and how the web server uses them to serve web requests.This file is usually added to WEB-INF folder and contains following

* Servlet entries and url mapping
* Plugins
* Some info regarding authentication / filters
* Landing Page
* Event Handlers

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_{Like Discuss Correct / Improve web.xml servlets deployment descriptor The NewBury Corp Fast Dolphin uCertify General Electric Cognizant (CTS) Web coop HCL Technologies Tara Consultancy (TCS) Wipro Infosys Cognizant (CTS) Sonatype IBM computer science corporation (CSC) American Express basic frequent}

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Q2. Which of the following file is called deployment descriptor ?

a. application.xml
b. project.xml
c. web.xml
d. build.xml

Java EE

^Anonymous

Ans. web.xml

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Q3. Which of the following is usually not part of EAR file ?

a. Server Configuration files
b. HTML and Media Files
c. Application Configuration files
d. Class files

^Anonymous

Ans. Server Configuration files

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Q4. What is Hot Deployment ?

Server

^{2016-07-28 12:22:08}

Ans. It is the ability to deploy changes on the fly without need to first build , deploy and then restart. All these functions happens on the fly as soon as the changes are made to the code.

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Q5. Difference between Hot and Cold Deployment ?

Server

^{2016-07-28 12:24:14}

Ans. Cold Deployment is a conventional deployment mechanism that follows the multi step process to deploy code changes to the running app i.e Build -> Deploy - Restart. whereas Hot Deployment is deployment changes on the fly without need to first build , deploy and then restart. All these functions happens on the fly as soon as the changes are made to the code.

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Q6. Is there any relationship between Web.xml and Spring.xml ?

Spring

^{2017-01-11 09:13:48}

Ans. No, there is no relationship between web.xml and spring.xml but you have to configure spring.xml in web.xml in order initialize beans when application starts up

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Q7. What is the difference between filter and filter-mappings xml tag within deployment descriptor ?

Java EE

^{2017-01-19 11:36:25}

Ans. filter tag speficies the filter name and respective class for handling filter action whereas filter mapping maps the filter to the url patterns ( specifying the url that needs to be intercepted )

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Q8. Which of the following file is called deployment descriptor ?

Java EE

a. application.xml

b. web.xml

c. config.xml

d. web-application.xml

Ans.b. web.xml

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