Java EE - Interview Questions and Answers for 'Java EE' - 58 question(s) found - Order By Rating This question was recently asked at 'Oracle financial services'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies Q2. How can we drop cookies through back end code ? Does it transfer the cookie file to the client ? Java EE
This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q3. Is it front end code or the back end code , that drops the cookies ? Java EE
This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q4. Explain servlet lifecycle Java EE
Ans. Init -> service -> destroy. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 6 Companies Q5. What is the need for filters in Java Servlets ? Java EE
This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q6. Is HttpServlet an abstract class ? Java EE
Ans. Yes Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies This question was recently asked at 'American International Group (AIG)'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies basic rare Q8. What is the difference between Java and J2ee ? Java EE
This question was recently asked at 'Sunovaa Tech'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies Q9. What is a session bean ? Java EE
This question was recently asked at 'BirlaSoft'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies Q10. What are some uses of interceptors ? Java EE
Ans. Authentication / Authorization Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q11. Can we deploy an application to server using a jar file ? Java EE
Ans. Conventionally we need a WAR file to be deployed to server. Though with Spring Boot we can even deploy using jar. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q12. Which component of MVC you like to work on ? Java EE
This question was recently asked at 'CapTech'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies Q13. Difference between import and include directive in jsp Java EE
This question was recently asked at 'ADP'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies Q14. Difference between Include Directive and include action in jsp Java EE
Ans. Include directive includes the file at translation time (the phase of JSP life cycle where the JSP gets converted into the equivalent servlet) whereas the include action includes the file at runtime. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies Q15. Which type of EJB can use bean pooling? Java EE
Ans. Stateless Session Beans Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies Q16. Ho do you share / transfer variables between JSP pages ? Java EE
This question was recently asked at 'UC Davis'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies Q17. What does the Web module contains ? Java EE
Ans. JSP files, media files and deployment descriptor ( web.xml ) Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q18. What are the different J2EE modules ? Java EE
Ans. 1. Application Client Module Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q19. Have you heard of SiteMesh ? Java EE
Ans. Sitemesh is a web page layout and decoration framework by OpenSymphony. SiteMeshFilter can intercept the requests and then build UI components (based on configuration) then renders the final page. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q20. What is the difference between filter and filter-mappings xml tag within deployment descriptor ? Java EE
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 ) Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q21. What is a Servlet Filter ? Java EE
Ans. It's an object that can intercept http request and response and hence we can take appropriate action on those requests. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 3 Companies basic frequent Q22. Can we convert a numeric IP address to a web host name ? Java EE
Ans. Yes, using InetAddress.getByName("<IP Address>").getHostName(); Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve intermediate Q23. What are different ways for Servlet authentication ? Java EE
Ans. HTTP Basic Authentication Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Q24. What is the difference between ServletConfig and ServletContext ? Java EE
Ans. http://www.java4s.com/java-servlet-tutorials/difference-between-servletconfig-and-servletcontext-in-java/ Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies Q25. Explain some of the http status codes you know ? Java EE
Ans. 500 is Internal Server Error Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 2 Companies frequent Q26. What is the difference between http and https ? Java EE
Ans. https encrypts the data using SSL whereas http sends it as plain text, So https is secure protocol whereas http is not. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies basic Q27. What is a web service ? Java EE
Ans. A Web service is a service offered by one system to another, for communication over web through http. XML are JSON are usually used for sending across information from one system to another. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 2 Companies basic frequent Q28. What does the web status code 404,500 and 200 mean ? Java EE
Ans. 404 means the resource is not found on the server.The resource might not be deployed correctly. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies Q29. What is an IP address ? Java EE
Ans. An Internet Protocol address is a numerical label assigned to each device participating in a computer network. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 2 Companies basic frequent Q30. What do you know about JQuery ? Java EE
Ans. jQuery is a cross platform JavaScript library designed to simplify the client-side scripting of HTML. JQuery is the most popular JavaScript library. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies
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Which of the following web status code means "Resource not found" ? 
