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Java J2EE Interview Questions
Questions Answers Views Company eMail

What is a jdbc driver and how many jdbc drivers are available?

 584

How many rowset are available in jdbc?

 667

What are the jdbc statements?

 561

Which interface handles transaction management in jdbc?

 570

What is the difference between setmaxrows(int) and setfetchsize(int)?

 562

Why are we using blob datatypes in jdbc?

 555

What is resultset?

 574

What is the meaning of connection?

 533

How many locking systems are there in jdbc?

 559

How to set the attribute concurrency in resultset?

 506

What is the function of drivermanager class?

 553

Which jdbc driver is the fastest driver?

 557

What are the jdbc api components?

 657

Is it possible to connect to multiple databases? Using single statement can we update or extract data from two or three or many databases?

 591

Why should we close database connections in java?

 689

Un-Answered Questions { Java J2EE }

What is a literal coding?

513

Is java still slow?

498

What is a meant by light object mapping?

161

What is the difference between session and entity beans?

581

explain the advantages of servlet life cycle?

557




Explain creation of statement object with connection method create method with help of an example.

523

What is the major advantage of external iteration over internal iteration?

613

What is the role of multipart resolver and when is it used?

149

What are parsers? Dom vs sax parser.

557

What is difference in between java class and bean?

568

any one can explain about policy file rule? when i connect database with applet then ther is no compile time error but the run time error is occureed.i.e access is denied.policy file rule is related to this problem.

1851

What is a virtual host?

492

What is hibernate transaction?

177

whatis Home interface and Remoteinterface? with example?

1551

Name the attributes of javax.ejb.stateful.

558

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