Servlets Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Servlets Interview Questions

Questions Answers Views Company eMail

Is Servlet Class Thread safe?????? How to make servlet Thread safe ???

Cognizant,

4 9144

Is JSP Thread Safe ???? How To make JSP thrad safe ?????

Cognizant,

6 18842

Difference Between Web Server and Application server ??

PWC,

4 9946

how can we execute servelt? what the use ".war" or ".jar" file creation

CTS,

3 8933

which method in doGet or doPost is use to send binary date to server

HCL,

2 8291

why are using HttpServlet in realtime projects and why are not using Genericservlet

2 9330

what is the difference between servlets and struts?

3 30694

why are extending GenericServlet and why are extending HttpServlet explain?

7 12861

what is the difference between doGet() and doPost()?

TCS,

6 15473

hi actully i hav form columns with origin and destination names .as like as i need to create one more column with name amount. my requirement is when i select origin and destination columns automatically i need to get amount from database.how can i. please tel me with relative code

CTS,

2782

Hello, My project requirement is like I need to create a web page using MVC pattern. I hava a bean class, jsp page, servlet, service and dao. My jsp has two fields. One is dropdown list. The option values has to get populated from the database table. The other one is a text box and its value has to come from database table. As of now I have defined the fields in bean class, got the values from database using arraylists in dao class and I called this from service class. Can anyone please tell me the workflow of how the servlet will get this arraylist and populate the arraylist values as dropdown options in jsp page? Also I would like to know the role of bean class in MVC pattern? Thanks in advance!

2368

explain filters in java?

TCS,

2 7207

I have a requirement Here we have a ResultSet object that will contain 50 records i need to print those recors in to a webpage(i.e; view according to MVC architectures that mybe servlet or jsp) . Here i need to print the records 10 per page that is 1 to 10 in page one and 11 to 20 in page two like remaining will be appeared in other pages we need to display those page numbers whenever we click on that page number we will go to that page and display 10 records like we will display 5 pages it is like this << 1 2 3 4 5 next >>

ProKarma,

2968

My Question is that i am using tag in my servlet and after compilation after that calling by url in my browser then images are not showing. Sometime images are showing and sometime is not showing. I am using Tomcat to run my servlets. Tell me if there any specification for image in servlets or what is solution for this ??

2 5361

What is the difference between JspWriter and PrintWriter

Artech,

4 18190

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Un-Answered Questions { Servlets }

How to get the server information in a servlet?

1171

What do you mean by request dispatcher in servlet?

1119

What is the need of servlet filters?

1011

What is a deployment descriptor?

1106

What is the GenericServlet class?

1234

What are the different types of servlets?

1015

Explains the differences between context.getrequestdispatcher() and request.getrequestdispatcher()?

1033

How are filters?

1044

What is the dispatcher servlet?

986

Is it good idea to create servlet constructor?

1256

What is string tokenizer?

1083

What is life cycle of Servlet?

1074

Explain the features are in servlet 3?

1054

Write the code to get the server information in servlet.

1065

List the Different types of servlet?

1045

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