Servlets and jsp interview questions and answers

The example in banking accounts where sensitive data is handled mostly this scenario was used this interface is deprecated in Servlet API version 2. A picture is worth thousand words, here is a diagram which explains the Servlet life cycle: They are compiled using JSP compiler in the background and generate a Servlet from the page. How to implement authentication and authorization in Servlet application?

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Although static resources may be included, it is not preferred as each request requires inclusion. A Java server page can contain fragments of Java program, which execute and instantiate Java classes.

None of these questions require special question and neither of them are tricky questionsthey all are focused on fundamentals which is key to clear any interview. How do you ensure that a particular servlet can only be accessed after authetincation?

Its easy to get reference of ServletContext in jsp using application implicit variable but in Servlet is not available in HttpServletRequest until version 3. This question is as old as Vector vs ArrayList in core Java.

Using sendRedirect method of Response object. Does calling doGet from doPost and vice versa really cause a deadlock? January ane, at 2: GET is less secure and can only send limited data hence not useful to transfer sensitive information. Difference between WeakReference vs SoftReference Or, does it cause a StackOverflowException?

Top 10 Servlet JSP Interview Questions for Java J2EE programmer - FAQ

This is rather simple Servlet JSP question to answer. But, Applets are used for client side coding and it runs on client browsers. Fundamentals of Object Oriented Programming in Jav November 10, at 5: Today, however, servlet containers still call only no-arg constructor. This is used to map servlets with the requests. Yes, I will try to do that.

Top 10 Servlet JSP Interview Questions for Java J2EE programmer - FAQ | Java67

What is Static and Dynamic binding in Java with Dervlets A session is an object which is used by a servlet and it is used to track user interaction with a web application across multiple HTTP requests.

What is servlet collaboration? JSP Declaration anzwers tags used in declaring variables. Great collection of question, useful for both beginners and experience level Java programmer. What does load-on-start-up element in web. Mixing static and non static synchronized method How do you define application wide error page in JSP?

Top 50 JSP Interview Questions & Answers

I was asked this question in interview. This servlet moves to the execution phase where requests and responses are handled.

How do you upload a file using Servlet 3. Refer our JSP Tutorials for an extra edge in your interview. URL rewriting is one of the methods of session tracking in which additional data is appended at the end of each URL.

The below link is for the question "How to stop servlet manually" link: Most of these Servlet JSP questions has appeared in various level of J2EE interviews including 2 to 3 and 2 to 4 years experience level.

Another good servlet interview question is What is load-on-startup tag in web.

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