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

Java J2EE (14736)
J2ME (151)
Java Related AllOther (507)

Java Related Interview Questions

Questions Answers Views Company eMail

can we take more than one null values for Unique constraints.

3i Infotech,

1 4135

what is the main differene between synchronize() method and Synchronize{}block?

3i Infotech,

1 4264

what are the disadvantages of indexes in oracle?

3i Infotech, Wells Fargo,

2548

How we get some middle records in one table?

3i Infotech,

2 6347

tell me some common

TCS,

2 4499

I Want build and release interview questions

3529

Which is the best way of exception handling?

Oracle,

2 6953

1) Scenario: I developed my application on local system and everything is perfect and tested. Now on UAT this application is deployed on clustered server environment. They are logical or physically clustered. But application is not working over there.  What is the issue with application?  What are the first things which come in your mind?

L&T,

1 6112

How to know weblogic version?

CTS,

5 13460

what is the difference between System.exit() and System.exit(1)?

eClinical Solutions, eClinical Works, eClinicalWorks,

1 7201

Can there be an abstract class with no abstract methods in it?

1 3828

can any one send me the example program of immutable class?

Arfin, TCS,

2 5288

There are 100 keys and values in HashMap.how to get the keys and values?

IBS,

1 6488

how to upgrade the weblogic server licence?

CTS, Wipro,

2819

how to change the Nodemanager password?

CTS,

3 11745

Un-Answered Questions { Java Related }

What is the purpose of jdbc resultset interface?

989

What is hibernate mapping file?

532

Explain What we can not do in jdbc but can do hibernate?

405

Is swing still used?

939

If I only change the return type, does the method become overloaded?

924

What should be done for auto generating primary key id in a table ?

973

What is the use of @transactional annotation in spring?

419

What is sequence in hibernate?

336

What are the different types of features of the java collections framework? : java collections

1110

How do I look up an ora sqlexception? : BEA Weblogic

877

how to create multithreaded program? Explain different ways of using thread? When a thread is created and started, what is its initial state? Or extending thread class or implementing runnable interface. Which is better? : Java thread

1027

Is upper case in java?

956

What are j2ee technologies?

927

For each of the following program segments,give a big zero analysis for the running time 1.For (i=0;i

1930

What is the difference between ojdbc6 and ojdbc7?

881

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