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

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

1812

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 3510

Difference Between java & javax

Sun Microsystems, Wipro,

5 21937

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

Microsoft,

1 3598

difference between apllet and interface class

Infotech,

1 2867

Thread life cycle?

TCS,

3 4518

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

CTS,

10 26589

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

TCS,

1 9251

how java is os independent language ?

3 4217

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 14532

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

HP,

3 4815

Does Java pass arguments by value or reference?

HeadStrong,

5 7780

Difference between JRE and JVM?

HeadStrong, Infotech,

3 6129

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 6618

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

HeadStrong,

6 7520

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Un-Answered Questions { Advanced Java }

What’s jboss jbpm?

578

Which are the different segments of memory?

593

When is the best time to validate input?

606

What is a clone?

572

How to determine SGA site?

1908

AS a developer will u create a data source in connection pool? If so how will u do that, how to access the object from connection pool using IRAD tool?

1633

Can I run seam with jdk 1.4 and earlier?

555

What is the argument type of a programs main() method?

562

Name the eight primitive java types.

593

Do I have to use jsps with my application?

581

Explain what is synchronization?

573

Describe activation process?

2062

How to pass parameters in RMI?

1688

What are the different algorithms used for clustering?

548

Is the ternary operator written x : y ? Z or x ? Y : z ?

638

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