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

How thread scheduler schedule the task?

1058

Explain constructors and types of constructors in java.

1111

Differentiate between stringbuffer and stringbuilder in java.

1026

What mechanism does java use for memory management?

978

Why object class is super class for every class in java?

1027

Define an abstract class with reference to java.

997

What are different exception types exceptions available in java ?

1007

Explain super keyword in java.

1036

What is difference between final and finally in java?

Cyient,

1084

What are meta-annotations?

Cyient,

992

What is exception in java?

Cyient,

1085

Write a java program to generate fibonacci series ?

Cyient,

1071

What do you understand by overloading and overriding in java?

1081

Write code to implement bubble sort in java?

995

What is difference between class and object in java?

1077

Un-Answered Questions { Java J2EE }

What is savepoint in jdbc?

913

Can we use hibernate without jpa?

373

What are different ways to configure a class as spring bean?

446

What are three types of loops in java?

1136

What is the use of spring and hibernate?

456

If a java process keeps going down due to an out of memory error, what all java options would you start with that would tell you what was in memory at the time of the out of memory error?

1057

How can beans be made singleton or prototype?

403

What can happen when stub can’t to connect to web-logic server instances?

953

Are foreign destinations handled within foreign jms messages? : BEA Weblogic

976

If some new data has entered the database, explain how can a servlet refresh automatically?

1293

What is automatic dirty checking in hibernate?

361

Can you sort a string in java?

912

How do you do exponents in java?

1057

When is the garbage collection used in Java?

1202

How to get servletcontext and servletconfig object in a spring bean?

442

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