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 4890

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 4892

what is a Daemon Thread?

2 5248

How to synchronize jsp page?

Infotech, TCS,

1 7371

what are design patterns in java?give with example?

HCL, iGate,

2 7021

Why JDBC has introduced

4 8548

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

1 4006

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

iTrust,

1 4442

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 7500

How many JSP scripting elements and what are they?

TCS,

4 7361

What are the implicit objects?

HCL,

2 7946

which book is better for jdbc ,servlets and jsp

TCS,

2106

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

SAP Labs, TCS,

2282

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

1 2959

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

1 4529

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Un-Answered Questions { Advanced Java }

What is ripple effect?

1079

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

1042

What is the relationship between an event-listener interface and an event-adapter class?

1127

What happens when a thread cannot acquire a lock on an object?

1038

What is re-entrant. Is session beans reentrant. Is entity beans reentrant?

1062

cud u help me ... i am struggling with this question... to find all the subsets of a given set for ex.... a,,b,c shud give all the subsets.... i gt the program in c bt nt able to get it in java..... help needed ..

2210

What restrictions are placed on the values of each case of a switch statement?

1020

What is table mutation and how do you avoid it?

2469

What is a session? Can you share a session object between different theads?

981

What are the benefits of detached objects?

1054

What is the diffrence between a local-tx-datasource and a xa-datasource? Can you use transactions in both?

1033

how to make a index.jsp for running the site in internet and find an error for connection with weblogic server and java that give an error invalid object name.and how to maintain session.

2242

Difference between swing and awt?

1298

Difference between loadclass and class.forname?

1054

Can I run seam with jdk 1.4 and earlier?

994

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