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 4726

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 4769

what is a Daemon Thread?

2 5078

How to synchronize jsp page?

Infotech, TCS,

1 7256

what are design patterns in java?give with example?

HCL, iGate,

2 6892

Why JDBC has introduced

4 8358

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

1 3890

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

iTrust,

1 4320

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 7386

How many JSP scripting elements and what are they?

TCS,

4 7150

What are the implicit objects?

HCL,

2 7817

which book is better for jdbc ,servlets and jsp

TCS,

2049

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

SAP Labs, TCS,

2219

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

1 2867

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

1 4430

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Un-Answered Questions { Advanced Java }

Are enterprise beans allowed to use thread.sleep()?

1106

When a thread blocks on i/o, what state does it enter?

1037

What is scalable, portability in the view of J2EE?

2474

How messaging services are done, before release of JMS?

2074

What modifiers may be used with an inner class that is a member of an outer class?

1004

Why is string immutable in java?

1056

Why is actionform a base class rather than an interface?

1002

which type of objects reference will be given to client?

2434

Which container method is used to cause a container to be laid out and redisplayed?

1090

Can you control when passivation occurs?

1010

when A client sent a request to the server to open facebook page and close the browser after this request .at that time the same user do login by using a different browser then that session id will exist or not for the same client??

1490

Write a singleton program?

991

What is TL and its use?

2408

Is jvm a overhead?

1035

What is prototype?

1066

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