Important JSP Interview Questions

Important JSP Interview Questions:

• 1. What is JSP ? Describe its concept.
• 2 . Explain the benefits of JSP?
• 3. Is JSP technology extensible?
• 4 .Can we implement an interface in a JSP?
• 5 What are the advantages of JSP over Servlet?
• 6. Differences between Servlets and JSP?
• 7 . Explain the differences between ASP and JSP?
• 8 . Can I stop JSP execution while in the midst of processing a request?
• 9. How to Protect JSPs from direct access ?
• 10. Explain JSP API ?
• 11. What are the lifecycle phases of a JSP?
• 12. Explain the life-cycle mehtods in JSP?
• 13. Difference between _jspService() and other life cycle methods.
• 14 What is the jspInit() method?
• 15. What is the _jspService() method?
• 16. What is the jspDestroy() method?
• 17. What JSP lifecycle methods can I override?
• 18. How can I override the jspInit() and jspDestroy() methods within a JSP page?
• 19 . Explain about translation and execution of Java Server pages?
• 20 . Why is _jspService() method starting with an '_' while other life cycle methods do not?
• 21. How to pre-compile JSP?
• 22. The benefits of pre-compiling a JSP page?
• 23.How many JSP scripting elements and explain them?
• 24. What is a Scriptlet?
• 25. What is a JSP declarative?
• 26. How can I declare methods within my JSP page?
• 27. What is the difference b/w variable declared inside a declaration and variable declared in scriplet ?
• 28.What are the three kinds of comments in JSP and what's the difference between them?
• 29. What is output comment?
• 30. What is a Hidden Comment?
• 31. How is scripting disabled?
• 32. What are the JSP implicit objects?
• 33. How does JSP handle run-time exceptions?
• 34. How can I implement a thread-safe JSP page? What are the advantages and Disadvantages of using it?
• 35. What is the difference between ServletContext and PageContext?
• 36 . Is there a way to reference the "this" variable within a JSP page?
• 37 . Can you make use of a ServletOutputStream object from within a JSP page?
• 38 .What is the page directive is used to prevent a JSP page from automatically creating a session?
• 39. What's a better approach for enabling thread-safe servlets and JSPs? SingleThreadModel Interface or Synchronization?
• 40. What are various attributes Of Page Directive ?
• 41 . Explain about autoflush?
• 42. How do you restrict page errors display in the JSP page?
• 43. What are the different scopes available fos JSPs ?
• 44. when do use application scope?
• 45. What are the different scope valiues for the ?
• 46. How do I use a scriptlet to initialize a newly instantiated bean?
• 47 . Can a JSP page instantiate a serialized bean?
• 48.How do we include static files within a jsp page ?
• 49.In JSPs how many ways are possible to perform inclusion?
• 50.In which situation we can use static include and dynamic include in JSPs ?
• 51.Differences between static include directive and include action ?

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