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Advanced Java Interview Questions
Questions Answers Views Company eMail

A user of a web application sees a jsessionid argument in the URL whenever a resource is accessed. What does this mean? a. The form must have the field jsessionid b. URL rewriting is used as the session method c. Cookies are used for managing sessions

1380

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

1 2911

Difference Between java & javax

Sun Microsystems, Wipro,

5 19628

is servlet,struts are threadsafe or not.please telme correct answer

Microsoft,

1 2943

difference between apllet and interface class

Infotech,

1 2148

Thread life cycle?

TCS,

3 3425

what is the difference between System.out.println and out.println in java

CTS,

10 23565

how to create Calculator GUI using Gridbaglayout as like as Window Calculator??????????? (Open calculator Go-->Run-->type calc-->Enter)

TCS,

1 7612

how java is os independent language ?

3 3163

Write a java program to find out the sum of harmonic series : 1 + ½ + 1/3 + ……… up to nth term , for any value of n.

2 13356

Different between Struts and Spring? or Why use Spring, if you are already using Struts?

HP,

3 3752

Does Java pass arguments by value or reference?

HeadStrong,

5 6272

Difference between JRE and JVM?

HeadStrong, Infotech,

3 4802

Will it be called overriding if I do not change the parameters or return type, instead throw a different exception in the method signature.

HeadStrong,

4 5271

How will the struts know which action class to call when you submit a form?

HeadStrong,

6 5652


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Un-Answered Questions { Advanced Java }

What is difference between object state and behavior?

163


Why do threads block on i/o?

189


Why are some of the class and element names counter-intuitive?

154


Explain how will the struts know which action class to call when you submit a form?

141


What is table mutation and how do you avoid it?

1482






What are the steps to write p-to-p model application?

1561


wahts is mean by dynavalidatorform in struts/

1159


Is there a guarantee of uniqueness for entity beans?

168


What is a sessionfactory? Is it a thread-safe object?

177


What is threadfactory?

185


Explain phantom read?

1296


What are the call back methods in entity bean?

172


What is clustering? What are the different algorithms used for clustering?

166


How many times may an objects finalize() method be invoked by the garbage collector?

174


What is the purpose of the finally clause of a try-catch-finally statement?

160