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 a transaction monitor?

1 4957

How is database middleware used to access legacy databases?

1 4419

Explain about J2EE Application Architecture

1 10938

what is difference between abstraction and interface?

FIC,

8 13358

waht happens when a return type ,even void is specified for a constructor?

11 35087

Describe inheritance as applied to java?

4 11649

what is a package?

11 15721

what is a thread?

IBM, SunGard,

13 22040

What is difference between Forward() and sendRedirect() methode?

Polaris,

14 30718

class{ ... ... interface myinterface{ ... ... } abstract class{ .. .. } ... .. .. } is this possible to write "Interface and/ or Abstract class inside a class ? if possible whcich one is possible is only interface? is only abstract?

Logica CMG,

2 8334

class A{ m2(){ } } class B extends A{ m2(){ } } class c extends B{ m2(){ } } class my_class extends c{ m2(){ } pulic static void main(){ ...My_class a = new my_class(); super.super.super.m2(); is this is leagal if not find what is the legal procedure in order to call A's version of m2(); }

Logica CMG,

8 20782

Name the Implicit variable which is used to access other implicit objectes present in JSP.

AZTEC,

7 19463

How ThreadSafe page attribute will be working in Servlet as well as in JSP?Automatically ThresdSafe is true in JSP so service method will be destroy in each and every request or not?so how thresd will handle srevice method?

AZTEC,

1 5950

what is the difference between Servlet and JSP?Advantage of JSP over Servelt?Any concept present in JSP which we cant implement in Servlet?

ABC, Apere, AZTEC, CTS, CybAge, iFlex, Impact Systems, Sara, TCS,

31 145037

Difference between Include, Forward and sendRedirect in Servlet?

AZTEC, KPIT, TCS,

7 72723

Un-Answered Questions { Java J2EE }

describe method overloading

1014

What is stateless and stateful session bean in ejb?

962

What is the difference between pass by reference and pass by pointer?

1097

List some life cycle methods of a servlet.

1062

What are the supporting protocol by HttpServlet ?

1195

Is hashmap thread safe?

989

in EJB diclare the static methods are not?

3441

What is the difference between Array and Hash Table?

1030

Which http method is said to be non-idempotent and idempotent?

1049

What is jaap?

951

Can We Start A Managed Server If The Administration Server Is Unavailable ?

949

Describe string intern() methodology

1059

What are the jdbc drivers in java?

1067

What is string pool in java?

1017

What is package protected in java?

984

For More Un-Answered { Java J2EE } Questions Click Here