STRUTS Quetions

Why do we typecast ActionForm into out plain java bean class in Action class?
Explain struts flow ?
What is request processor class ?
What is Hibernate?
What is the DynaActionForm? How we implement the dynaactionform ? Explain the way to implement? in understandable way?
What is a RequestProcessor?
What is the difference between RequestProcessor and RequestDispatcher?
What is the main difference between Mvc1 and Mvc2 Architecture??
What are the Advantages& disadvantages of MVC architecture ?
What are the disadvantages of MVC architecture ?
What is project architecture? Give brief explanation about project architecture?
How to forward from Array List to Jsp in Struts ActionServlet class?
What is the difference between SAX Parser and DOM Parser??
How data transferred from one form bean to another form bean?
What is Request Dispatcher and What is request Processor?
Which MVC architecture struts follows and why?
Where you will implement the tiles in struts?
Is a ActionForm controller or model?
How the error can be showed in the jsp page in struts?
What are the type of forward class in Struts?
Who will run the execute method in struts?
How will you view ur jsp page to the client by using properties file?
What is mean by custom tag?
What’s the diif between Mvc1 and Mvc2?
What are the actions in struts?
What are tiles in struts?
How you implement and maintain your struts project by using MVC2 arch?
How is the Struts framework related to MVC2?
What are components presents in Strutsconfig.xml?
What are the components of struts?
What r the disadvantages of MVC-2 Architecture?
Struts are thread safe or not ?
When connecting with the database, if database server is down, how can we handle this exception in struts, how can we send error message to the user?
What is BUSINESS DELIGATE PATTERN,DAO,VO,DTO?
What is the disadvantages of using DynaActionForm in struts framework?
Is form beans are serializable or not?
What is the disadvantage of struts frame work?
Project architecture in java ?
How to deploy your struts application in JBOSS ?
What are Struts properties?
In Struts Programming which is the controller, which is the model?
What is Request Dispatcher and what is Request Process?
What are the advantages and disadvantages of Struts?
How do you know what to give for the “path ” under in struts-config.xml ?
Is struts thread safe?
What is difference between perform() used in struts1.0 and execute() used in 1.1 ?
How many types of action classes are there in struts and their uses?
How to set email notification using struts. give the example code?
How to create validations? what are struts validation components?
Why servlet is used as controller not JSP?
How to pass runtime Parameter in Struts1.2?
How to create a search field in strut with code
What is ForwardAction and IncludeAction in struts?
How Struts will follow the MVC?
What is MVC Architecture?
What is the purpose of action servlet and action?
What are tiles in struts?
What is frame work in struts?
What is the difference between a Strut and a Class?
Difference between JSF Framework and Struts Framework ?

SERVLET Quetions

Can Servlet have instance variables?
Can we create more than one ServletContext and ServletConfig in your application ?
How the jsp page can be regenerated?
When you compiling the Servlet is it necessary to restart the tomcat server?
Where the generated jsp source file are stored?
How the server will know its the same jsp page?
When the jsp page is translated to servlet?
I have class files in class folder. but I have no java files. but i want to modify the java files which are related to class files . how ?
How can we create object to a class in a jsp file?
We can’t Override Jsp Service method? Why?
Can u tell me that why there is need of “init()” , i mean why can not we initialize the Servlet object with the help of constructors?
What is the difference If we write the code in following manner class One extends httpservlet { } and class One extends genericservlet { } ?
What is the difference between Servlet Config and Servlet context ?
Can you send the mail from a servlet ,if yes tell how?
Is it possible to call servlet with parameters in the URL?
Why should we go for interservlet communication?
What are cookies and how will you use them?
How do you track a user session in servlets?
If you want to modify the Servlet, will the Webserver need to be Shutdown ?
What is use of parseQueryString ?
What is the difference between an applet and a Servlet?
Can i call destroy() method in init() method of Servlet ?
Can i call init() method in destroy() method of Servlet. ?
What are the types of process that could help to maintain the Session? Explain ?
Which method the Servlet container call to create the instance of the Servlet?
Directive Include and Action Include how both are working in JSP, what is the difference between both? In which situation we have to choose these elements?
Difference between Include, Forward and sendRedirect in Servlet?
What is the difference between Servlet and JSP? Advantage of JSP over Servlet? Any How ThreadSafe page attribute will be working in Servlet as well as in JSP?
What is difference between Forward() and sendRedirect() method?
What advantages do Servlets have over CGI programs?
What is Servlet life cycle?
How we can check in particular page the session will be alive or not ?
Can we override the ActionServlet?
What is Servlet Chaining? How do you do the Filtering in Servlets?
How do you pass the data from one servlet to another servlet?
How to deal with multi-valued parameters in a servlet?
How to set a cookie that is persisted only for the duration to the clients session?
How to pass a request object of one servlet as a request object to another servlet?
How long do servlets last?
How to prevent browser from caching the page content?
What is a session object?
What is servlet?
Is the init(ServletConfig sc) throws IOException or not?
What is SSL?
In which cases Destroy() is invoked?
What is meant by servlet to servlet communication?
HTTP tunneling means what?
How to maintain security in servlets?
How to make servlet thread safe?
What are the disadvantages of cookies?
How the HTML data stored in web server?
How do you maintain sessions in servlets?
How can you give alias to servlets?
What are the different services provided by the web server?
What are binding listeners?
How can you maintain servlet chaining?
Life Cycle of servlets?
What is servlet and what you get when we use servlets?
What are the CGI Programs?
What are the Internal servlets maintained by the web server?
Where the session data will stored?
Why setMaxAge() and getMaxAge() methods are used in Cookies?
In servlets, Why do we need both GET and POST method implementations?
What is the need of session tracking in HttpServlet ?
init() method of servlet loaded by?
When the methods init() and Distroy() will be called?
What is with the javax.servlet package naming?
What methods do we use in Servlet to Applet communication?
What is use of parseQueryString?
Name the webserver that is used to run Servlets?
What are setSecure() and getSecure() methods in Cookies?
What are setComment and getComment methods in Cookies?
What is the use of Servlets?
What is the role of the webserver?
What is the protocol used by Server & Client?
Explain the methods in Generic and HTTP Servlets?
Explain the difference between GET and POST methods?
What is the difference between ExecuteUpdate and ExecuteQuery?
What is the advantage of using Servlets over CGI programming?
What is the default HttpRequest method?
What is the capacity that doGet method can send to the server?
What is the advantage of Servlets when compared with other server side technologies?
What is the ServletConfig() and what is its use?
How a user session can be tracked in servlets?
What is servlet tunnelling?
What is servlet exception?
What is ServletContext() and what is its use?
What are the parameters of the service method ?
What is context switching?
What is Client-Server Computing?
What is a Proxy Server?
What is a Session Id?
What is URL Rewriting ?
What is Servlet Context?
What is Server-Side Includes?
What is HTTP Session ?
What is DSN and System DSN and what is the difference between them?
What are different types of SessionTracking?
What are the types of ServletEngines?
What are different types of Servlets?
What type of protocols are used in HttpServlet?
What are the security issues in Servlets?
What are the methods in HttpSession and their use?
What are the methods in HttpServlet?
What are the exceptions thrown by Servlets?
Name the servers that can be used to develop and deploy Servlets?
What are the classes and interfaces for servlets?
How are Sessions are more advantage than using of Cookies or URLReWriting?
What is session variable in servlets?
What are cookies and how will you use them?
What happens, when client requests for server object, which is not yet loaded into the memory?
Explain life cycle of a Servlet?
What is multiple server?
In howmany ways applet-servlet communication can be done?
Explain in detail about applet to servlet communication?
Can a servlet be called by passing its name as a parameter in the URL?
Which type of data passing is used in realtime?
How will you open a new page after certain interval of time (5 sec), on clicking of a button in an html page?
Is there any need to shutdown the web server, if you want to modify a servlet?
How do you create connections for number of users, if you want to improve performance?
How session tracking can be achieved, if your browser doesn’t support cookies (or) if cookies are disabled?
What happens, if server sends a cookie to a browser that doesn’t supports cookies?
What methodology can be followed to store more number of objects in a remote server?
How values can be passed from HTML page to servlet?
What are the way a client can be tracked?
How many Cookies can a host support?
How to handle the debug errors in servlets?
How to pass JavaBeans data to JSP using Servlets?
How an Image can be loaded in a Servlet ?
How to invoke a Servlet?
What method is used to create database connection in servlets?
How to debug a servlet?
How variables can be accessed across the sessions?
How threads are implemented in servlets?
How multiple simultaneous requests can be handled by servlets?
How native code can be used in a servlet?
How servlets can be automatically reloaded?
How to run a servlet program?
Can threads be used in Servelet?
What is the difference between doGet and doPost?
What are the difference between HttpServlet and GenericServlets?
Is it possible to send a mail from a servlet? Explain?
Can we use servlets in JavaScript?
Can we use javascript in Servlets?
What is Single Threaded Model in Servlets? Explain this with an example?
What is Generic Servlet and how it is different from Http Servlet?

JDBC Quetions

Callable is interface or class ?
preparedstatement p= new preparedstatement is it possible ?
How to find total column from a resultset?
How to find the column count in resultset?
What is the use of prepared statement? Will that precompiled statement be executed or compiled?
What are design patterns?
How you will execute the many tables data ?
What is meant by primary key and unique key?
What is connection pooling? how do u create connection pooling? what is the use connection pooling?
What does the method Class.forName returns?
Is that compulsory to have Primarykey-forignkey for joints (outer inner,equal)
How is database middleware used to access legacy databases?
How does JDBC differ from ODBC?
How do you create Connection?
In JDBC, All the APIs are interfaces? Where is the actual implementation?
What is metadata and it’s use?
What is callable statement?
What is PreparedStatement?
How many isolation levels are supported in JDBC and what are they?
How many types of JDBC drivers are there and what are they?
Difference between servlet and applet method?
What is the signature of init method?
Difference between Generic Servlet and HTTP Servlet?
Difference between Dirty, committed ,phantom, repeatable reads?
Write down exceptions those appear in java programs when u write JDBC Programs?
What is Stored procedure purpose?
Different statements in JDBC?
What is call level interface?
JDBC Drivers properties?
What is execute(), executeUpdate() and executeQuery() methods?
What are the types of result sets in JDBC 3.0 ?
What are the Different types of exceptions in JDBC?
What is the syntax of URL to get connection?
What is CallableStatement and what is its usage?
What type of driver called is pure Java driver?
Which Driver is preferable for using JDBC API in Applets?
What are the conditions applies to varchar variable, when using in procedures?
What is the latest version of JDBC? What new features are added?
What is the exception thrown by JDBC ?
What is database null and Java null?
What is the difference between Minus, and Intersect?
What is the difference between Union, Unionall ?
What is JDBC and ODBC and what are the differences between them?
What is the difference between ExecuteUpdate and ExecuteQuery?
What are static and dynamic queries?
What is meant by a ResultSet?
What is Statement and PreparedStatement? What is the difference?
What is de-normalization?
What is correlated subquery?
What is an outer join?
What is a Connection?
What are the advantages of JDBC?
What is JDBC?
What type of drivers have you used?
What does Class.forName return?
When you will get error like No suitable driver?
What type of drivers are used for web application?
What are the different types of statements?
What are the different types of modifiers?
What are the different types of 2 tier and 3 tier architecture ?
What are the common JDBC problems that you got and how do you solved them?
What are the Normalization Rules?
What are the Isolation level in JDBC transaction?
What are pros and cons of using of Type-2 and Type-4 Drivers over Type-1 driver?
What are statements in JAVA ?
What are restrictions on triggers?
Explain the different ways to register a driver?
What is the difference between triggers and procedures?
What are cursor attributes?
What are different types of transactions?
How to find number of records in result set?
What is the equivalent method for precompiled SQL Statement in JDBC?
What is Normalization?
Can we define indexes on a foreign key? Explain pros and cons?
Commit() and Rollback() methods are defined in which interface?
What type of driver you use in real-time projects?
Under what circumstances, that all four drivers are used?
How to know how much data is truncated?
If I am using JDBC API, do I also have to use ODBC?
How transactions are performed using JDBC ?
How vendor Naming registry supports JNDI?
How to store images in database?
How the information about db(database) can be retrieved?
How to check null value in JDBC?
How is jndi useful for Database connection?
How do you know which driver is connected to a database?
How do you debug PL/SQL code?
Without using of Class.forName(? ?), how do you connect to db?
Explain the sequence of steps to connect to the database?
What is isolation level? How to set it?
How do find debugging problems related to JDBC API?
How to get a whole row of data at once?
How can you sort dates?
How warnings are retrieved in JDBC?
How a driver can be loaded?
How data can be inserted into long row column of database?
How to get the data from a table into a buffer?
How to find that, a row is updated or not?
What are JDBC statements?
How MS-Access DB can be accessed over a network, using JDBC API?
What is static Synchronized method in JDBC API? Give an example?
What are the salient features of JDBC 2.0?
What are stored procedures? How to call them?
What is Type-4 Driver and when this driver is used?
What is Type-2 Driver and when this driver is used?
What is Type-1 Driver and when this driver is used?
What is 2-tier and 3-tier architecture?
Does the JDBC-ODBC Bridge work with Microsoft J++?
The new features of the JDBC 2.0 API, will be supported for JDBC-ODBC Bridge?
Does multiple concurrent open statements per connection are supported by the JDBC-ODBC Bridge?
Can you define a foreign key, with a key from the same table?
Can the JDBC-ODBC Bridge be used with applets?
How can a java objects be stored in database?
Are there any ODBC drivers that do not work with the JDBC- ODBC Bridge?
Is the JDBC-ODBC Bridge multi-threaded?
How to execute bulk number of queries at once?
How can you tune SQL statements?
Can you create an index on sex column where there is M or F?
What is Type-3 Driver and when this driver is used?
Can we use the one instance of Statement to execute more than one query ?