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 waiting state? In what ways a thread can enter into waiting state?

Wipro,

2 13621

What is DTD?

Wipro,

3 8522

What is MOM?

Wipro,

1 5393

I want to change the appearance of Frame in Runtime, what class can be used to do this?

TCS, Wipro,

2 8422

Name the method, to expand & collapse nodes in a Jtree?

Wipro,

1 8410

What things to do to make a web browser compatibale for swing components?

Tesco, TracFone, Wipro,

1 6020

What is HTTP Tunneling?

Wipro,

1 8135

What is connection pooling?

Wipro,

4 11536

What is Generic Servlet and how it is different from Http Servlet?

Wipro,

5 22158

What is Single Threaded Model in Servlets? Explain this with an example?

Wipro,

10 49351

How bean-managed transactions will work?

Wipro,

1 5415

How enterprise beans will handle concurrent and loopback calls on entity beans?

Wipro,

1 5240

Explain the Sotware Architechture of EJB?

Wipro,

1 5245

What is Introspection ?

Wipro,

2 6882

Describe client view of an Enterprise JavaBeans component?

Wipro,

1 5002

Un-Answered Questions { Java J2EE }

What is string immutability?

1191

What is the difference between math floor and math round?

1124

What is the difference between jndi lookup(), list(), listbindings(), and search()?

1111

I have multiple constructors defined in a class. Is it possible to call a constructor from another constructor’s body?

1071

What optimization could I use if the ejb container is the only point of write access to the database?

1072

What is spring batch rowmapper?

464

What is difference between flush and commit in hibernate?

458

Are singleton beans in spring a regular singleton object?

434

What is the role of JMX in hibernate?

459

When will we use them?

1111

What is OOP's Terms with explanation?

1254

What is unicode full form?

1042

What is the use of execAndWait interceptor?

1078

What do you understand by copy constructor in java?

985

Write a program in java to find the maximum and minimum value node from a circular linked list.

1162

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