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 hibernate session factory?

333

What is the java persistence api used for?

388

Why is sessionfactory used in hibernate?

370

What is the difference between jdbc and hibernate?

433

What are the main differences between persistent and transient objects?

397

How many types of transaction are there in hibernate?

362

Explain the difference between criteria and criterion in hibernate?

404

What is a configuration in hibernate?

406

Why hibernate is used?

416

How to implement database relationship in hibernate?

365

Why is hibernate called orm?

396

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

446

What is the use of evicting method in hibernate?

398

What is the difference between save and merge in hibernate?

511

What is flush in hibernate?

368

Un-Answered Questions { Java J2EE }

What does system.gc() and runtime.gc() methods do?

1045

What is difference between == equals () and compareto () method?

1041

Explain the importance of throwable class and its methods?

1028

What is difference between session get() and load() method in hibernate?

482

What is a license file ?

1076

What is a deployment descriptor?

1097

Can we access the non-final local variable, inside the local inner class?

1016

What is backorder?

818

Name three subclasses of the component class?

1100

How do you replace a string in java?

1001

What is the difference between iterator and enumeration ?

1003

What exactly is a .class file?

1042

What is difference between next () and nextline () in java?

984

What is network interface name?

949

What steps are taken when the OS shifts from one-thread execution to another?

1362

For More Un-Answered { Java J2EE } Questions Click Here