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

Core Java (6529)
Advanced Java (552)
Swing (223)
EJB (402)

Servlets (804)
Struts (701)
JDBC (771)
JMS (324)

SunOne (10)
J2EE (485)
Weblogic (694)
Websphere (573)

Java J2EE Interview Questions

Questions Answers Views Company eMail

What is the full form of jdbc and what is its purpose?

1020

What is a lock in jdbc?

969

What do you mean by database connection pooling?

963

Explain different types of locks in jdbc?

955

Describe the method used to create an hql query and sql query?

352

What is query level cache in hibernate?

375

How to create two same tables in different schema’s by using single configuration file?

422

Describe the important interfaces of hibernate framework?

484

Explain session object in hibernate?

393

How to write composite key mapping for hibernate?

411

What is one-to-many association in hibernate?

354

Explain hibernate configuration file and hibernate mapping file?

464

Explain the transaction object in hibernate?

406

Which annotation is used to declare a class as a hibernate bean ?

348

Explain some of the elements of hbm.xml?

362

Un-Answered Questions { Java J2EE }

What is ejb javatpoint?

1010

List out five keywords related to exception handling ?

1031

What are the advantages in the use of spring for application development?

950

What is the console in java?

1177

Explain the role of session interface in hibernate.

399

Is lazy thread safe?

465

What are the disadvantages of auto wiring?

573

What are the different application servers and web servers supporting j2ee technology?

844

How can we reduce database write action times in Hibernate?

374

What is difference between == and === in js?

1029

Is intellij better than eclipse?

1107

What are the new features in spring 5?

453

What do you know about the garbage collector?

1127

Can arraylist hold different types java?

997

What is mdb?

1087

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