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

Advanced Java Interview Questions

Questions Answers Views Company eMail

i have a 1000 objects in data base i need to display those in jsp's how can i retrive those objects in jsp. (consider the performance issue)

2 3853

What is the O/P of the below Code Snippet ? And how does it imply the concept of call-by-value/call-by-reference. (Note : Pls ignore syntx errors) public class One { sop ("Into One--"); } public class Two extends One{ sop ("Into Two--"); } public class Home { One a; Two t; public static void main(argv[]) { sop ("In Home--"); sop(One.a); sop(Two.a); sop(One.t); sop(Two.t); } }

Wipro,

2 3784

what is a Daemon Thread?

2 4110

How to synchronize jsp page?

Infotech, TCS,

1 6517

what are design patterns in java?give with example?

HCL, iGate,

2 5954

Why JDBC has introduced

4 7092

which is the better collection class if the requirement is only displaying the data

1 3215

if i know the lenght of collection in hand, should I use Array or Arraylist? justify

iTrust,

1 3593

1) what is synchronization? 2)write a program to show synchronization ? 3) what is orm? 4) what is getTemplete method and hw u use it? 5)write a singleton program ? 6) what is IOC concept & explain it? 7) methods of spring? 8)explain spring framework? 9)what are the oops concept? 10)what r the diff types of exception? 11)what is AOP(assepct oriented programing)? 12)jsp life cycle? 13)servlet life cycle? 14)how to u catch ur exception when executing a query in hibernate? 15)write javascript function? 16)write a querry to join two tables? 17)wap to show inheritance and use of interface? 18)explain the project? 19)in spring bean class uses singleton or prototype? 20)Explain prototype?

Cap Gemini,

1 6434

How many JSP scripting elements and what are they?

TCS,

4 5635

What are the implicit objects?

HCL,

2 6869

which book is better for jdbc ,servlets and jsp

TCS,

1650

how to use debug in my elipse to solve problems that exist in my project

SAP Labs, TCS,

1766

which of the following authentication is stronger than the others? a. Http Basic b. Http DIGEST c. Form based

1 2321

which deployment descriptor element is used to configure the authentication method? a. auth-config b. login-config c. sec-config

1 3662

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Un-Answered Questions { Advanced Java }

Where can I find seam examples and documentation?

571

Why do I get a duplicate name error when loading a jar file?

548

What you mean by COM and DCOM?

619

What are the pros and cons of detached objects?

550

If your ui seems to freeze periodically, what might be a likely reason?

551

Define prototype?

588

What is the difference between java class and bean?

586

What are JTA/JTS and how they used by client?

1720

What is the RMI and Socket?

627

how to use debug in my elipse to solve problems that exist in my project

1766

Do I have to use jsps with my application?

586

What is the difference between RMI and Corba?

2269

If we opened Windows Internet Explorer 4 times, does it starts 4 processes or 4 threads?

1741

Can I map more than one table in a cmp?

596

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

1818

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