Answer / faraz

1) what is synchronization?
Ans : When multiple threads working,Synchronization is to lock a method for a particular object.
2)write a program to show synchronization ?
Ans : public someClass{
public synchronised methodA(){
//write your code
}
}
3) what is orm?
Ans : Object Relational Mapping ,its a tool for transaction management that needs to be integrated with Spring,Struts etc.Eg : Hibernate,iBatis,JDO etc
4) what is getTemplete method and hw u use it?
5)write a singleton program ?
Ans : Having single instance through out the application.eg.: Loggers
6) what is IOC concept & explain it?
Ans : Injecting dependencies to object itself instead of depending on container.
7) methods of spring?
Ans : Didn't get your question..!!
8)explain spring framework?
Ans : Spring is lightweight,Inversion controlled,Aspect oriented ,Container framework.
9)what are the oops concept?
Ans : Inhertitance,Encapsulation,Polymorphism,Data Abstraction
10)what r the diff types of exception?
Ans : Unchecked and Checked exceptions
11)what is AOP(assepct oriented programing)?
Ans : Separating your business logic with other functionalit
y such as services,Loggers etc,Making classess more cohesive.
12)jsp life cycle?
Ans : jspinit(),_jspService(),jspdestroy()
13)servlet life cycle?
Ans : init(),service(),destroy()
14)how to u catch ur exception when executing a query in
hibernate?
Ans : DOnt know hibernate :P
15)write javascript function?
function myJavascript(){
//your code :)
}
16)write a querry to join two tables?
Ans : select * from emp_personal_details t,emp_professinal_details y
where t.emp_id = y.emp_id
17)wap to show inheritance and use of interface?
Ans : hmm..
18)explain the project? Ans : hmm..
19)in spring bean class uses singleton or prototype?
Ans : By Default spring uses singleton
or mention singleton="true" for singleton else false for prototype inside bean tag.
20)Explain prototype?
Ans : Having multiple instances or having clones

1) which method of the RequestDispatcher cannot be called once the output is sent to the client? a. forward b. include c. both a&b 2) which interface should an object implement to get notified of changes to the list of active sessions in a web application? a. HttpSessionListener b. HttpSessionActivationListener c. HttpSessionAttributeLIstener 3) A user can select multiple locations from a list box on an HTML form, which of the following methods can be used to retrieve all the selected location? a. getParameter() b. getParameterValues() c. getParamValues() 4) which of the following methods should be used to send character text to the client? a. ServletResponse.getWriter() b. ServletResponse.getOutputStream() c. ServletResponse.getOut() 5) which implicit object is always available in a JSP page? a. exception b. session c. out 6) which inclusion mechanism doesn't include the source of the page, rather the output of the page. a. include directive b. jsp:include action c. Bothe a& b 7) which attribute of the page controls whether a page participates in session or not? a. session-allowed b. session c. isSession

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