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 lazy and eager initialization?

347

What is entitymanager persist?

389

Can you declare mappings for multiple classes in one mapping file?

356

What is unidirectional and bidirectional?

362

What does fetchtype lazy mean?

406

Why is hibernate used?

402

What is lazy loading and why is it used for?

415

Why do we use criteria in hibernate?

557

What is a 1 to 1 relationship database?

413

Why do we use inheritance mapping in hibernate?

369

What is the n 1 problem?

493

What is a 1 n relationship?

384

Why hibernate came into existence?

337

Why we use spring and hibernate?

340

What is the difference between one to one and one to many relationship?

325

Un-Answered Questions { Java J2EE }

os is developed in c no java is more secured then c na why dont the os developed is developed using java

4231

Is it possible to specify multiple jndi names when deploying an ejb?

999

What is lambda programming?

1018

What is the purpose of action interface in swing?

1051

What is the default access specifier for variables and methods of a class?

1207

Define prototype?

1071

What is business logic?

966

Explain java thread life cycle.

1042

Should services be stateless?

938

Is string an object?

1122

What if I write static public void instead of public static void in java?

1092

What is sortedmap interface?

1001

Can we override protected method in java?

1068

What is the purpose of java?

1013

How would you link the spring mvc framework and mvc architecture?

370

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