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 8974

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

Cognizant,

6 18632

Difference Between Web Server and Application server ??

PWC,

4 9760

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

CTS,

3 8798

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

HCL,

2 8202

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

2 9212

what is the difference between servlets and struts?

3 30549

why are extending GenericServlet and why are extending HttpServlet explain?

7 12580

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

TCS,

6 15262

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,

2737

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!

2284

explain filters in java?

TCS,

2 7088

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,

2912

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 5238

What is the difference between JspWriter and PrintWriter

Artech,

4 17984

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Un-Answered Questions { Servlets }

What is the directory structure of a war file?

1116

What is the difference between 2 types of servlets?

1093

What is difference between GenericServlet and HttpServlet?

1081

Which event is fired at the time of project deployment and undeployment?

1274

What do you mean by singlethreadmodel interface?

1003

Can we use the constructor, instead of init(), to initialize servlet?

1055

What is meant by servlet? What are the parameters of the service method?

974

What are the different methods of session management in servlets?

955

How a servlet is unloaded?

1036

Which protocol will be used by browser and servlet to communicate

1010

What is the inter-servlet communication?

1139

What do you mean by mime type?

930

Define servlet mapping?

1116

How native code can be used in a servlet?

4023

Explain jsessionid?

989

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