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 is consistency maintained by Stateful Session through transaction updates ?

1180

Enlist the CallBack methods of Session Bean?

1041

Define ACID Properties?

1021

Differentiate ‘Stateful Session’ from ‘Entity Bean’ ?

1026

Is state maintained by a Stateless bean?

1032

Differentiate “find a method” from “select method” in EJB ?

990

What do you mean by bean managed transaction?

1047

How can one EJB be called from within another EJB?

984

Define Initial Context?

1012

What do you mean by EJB architecture?

1007

Enlist the changes in EJB 2.1 ?

1029

Can remove() be a Stateless Session bean?

1090

Define EAR, WAR and JAR ?

1011

Differentiate Conversational from Non-conversational interactions?

1032

Is ejbCreate() method mandatory while defining a Session Bean?

1071

Un-Answered Questions { Java J2EE }

How does spring mvc provide support for validation?

386

Is nullpointerexception checked or unchecked?

1028

How to write a program to call the store procedure of oracle that takes no parameter?

923

Why arraylist is not synchronized in java example?

1058

Explain the private field modifier?

1091

How can we pass argument to a function by reference instead of pass by value?

1109

What is the purpose of stub in web-logic server cluster?

940

Must ejbs be homogeneously deployed across a cluster? Why?

959

whatis Home interface and Remoteinterface? with example?

2001

What do you mean by bean wiring?

396

What does the “final” keyword mean in front of a variable? A method? A class?

993

Differentiate Conversational from Non-conversational interactions?

1032

How do you check if a string contains only numeric digits?

1117

What is spring aop used for?

466

What is the maximum size of list in java?

966

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