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

Explain cookies?

Canon,

2 11946

What is a deadlock ?

5 7885

What is Distributed Application and what is its usage?

2 5760

Explain in detail about encapsulation with an example?

4 10668

What is meant by event handling?

2 6750

What is an exception?

6 8168

What is meant by final class, methods and variables?

3 8919

What is the difference between getCodeBase and getDocumentBase methods?

CS Business Services,

1 12157

explain the concept of inheritance with an example?

Polaris,

9 25723

Define interface?

MindCracker,

3 5905

What is files manifesting?

2198

Explain method overloading and overriding?

6 15095

What is meant by packages?

4 10607

Explain the concept of polymorphism with examples?

Summation Tech,

6 13362

What is meant by serialisation and deserialisation?

4 9009

Un-Answered Questions { Java J2EE }

What are different types of dependency injection? Explain them.

411

What is node manager?

979

What is java actionlistener?

876

What is generationtype identity?

351

What about interthread communication and how it takes place in java?

1052

Define orm and its working in j2ee?

1029

Which one is the default transaction factory in hibernate?

375

Explain the difference between jakarta struts and apache struts?

938

What is achieved through clustering?

1081

What does the exclamation mark mean in java?

1239

What class allows you to read objects directly from a stream?

1318

What is new in ServletRequest interface ? (Servlet 2.4)

1009

What do you mean by dao?

404

What do you mean Abstraction in java?

1086

Why is spring boot preferred? : Spring Boot

426

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