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 purpose of hql in communication between hibernate and rdbms?

517

What is the use of hibernate proxy in hibernate?

460

What are the different types of caches in hibernate?

447

Write a code to do the component mapping in hibernate.

418

What do you mean by named – sql query?

415

Why are callback interfaces useful in hibernate?

388

What is the purpose of using hibernatetemplate?

473

How to implement one to many relationships with annotation?

354

What is the importance of lifecycle and validatable interface in hibernate?

503

What are the different types of extension interface that is present in hibernate?

548

What is the role of sessionfactory?

364

Why hibernate?

440

What is hibernatetemplate?

439

How do you implement one to one relationship in hibernate with xml mapping?

416

How do you implement one to many relationships in hibernate?

433

Un-Answered Questions { Java J2EE }

What is finally in Java?

1090

Why is sessionfactory used in hibernate?

383

What is role of void keyword in declaring functions?

1066

Where is java located?

1066

Why are springs better than struts?

1169

What is JDBC Transaction Management and why do we need it?

1170

What is the difference between @requestbody and @requestparam?

568

Describe the Big-O Notation.

1069

What is the function of T3 in WebLogic Server ?

1193

What is mulicast in weblogic?

1131

What is the best java compiler?

898

What is an object class?

1038

Since we can create managed bean by two ways as, we can define the bean name in faces-config.xml file so that page can use that OR we can write annotation on bean class so that it is automatically assign to page but I want to know which one is good programming practice ? And also mention disadvantage of other which should not prefer ... Thanking you...

2291

What is interceptor? And life cycle methods of interceptor?

1051

How to handle non-transacted sessions with respect to jms?

832

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