Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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JDBC (771)
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J2EE (485)
Weblogic (694)
Websphere (573)

Java J2EE Interview Questions

Questions Answers Views Company eMail

Give me some null interfaces in java?

1054

What is difference between opensession and getcurrentsession?

383

What is hibernate validator framework?

567

Why we should not make entity class final?

398

What are different states of an entity bean?

390

What is the benefit of native sql query support in hibernate?

351

What is hibernate caching? Explain hibernate first level cache?

409

What is named sql query?

347

What is difference between hibernate save(), saveorupdate() and persist() methods?

327

What is the benefit of hibernate tools eclipse plugin?

343

What will happen if we don’t have no-args constructor in entity bean?

430

How to implement joins in hibernate?

388

What are the benefits of named sql query?

354

What is the benefit of hibernate criteria api?

410

Can we execute native sql query in hibernate?

431

Un-Answered Questions { Java J2EE }

Does spring boot require web xml? : Spring Boot

458

What is j2ee application?

961

What is @controller annotation in spring mvc?

499

What is the largest number a double can hold?

1045

What is the use of request dispatcher interface?

1012

How big is a boolean?

1033

What are the steps to connect to the database in java?

976

Is hibernate obsolete?

347

What does adapter class provide?

944

What is encrypted connection?

1009

What is difference between static class and singleton pattern?

1023

What is the difference between load() and get() method?

418

What is locale in java?

1018

What is this keyword in java?

1033

What is the role of websphere application server console?

921

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