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

in EJB diclare the static methods are not?

iGate,

3441

any other way to print the text without using System.out.println() in java?

IBM, Infosys,

5 19522

what is the difference between applet and swing and gui application in java . What we do with the collections set and list interface

CTS, Phoenix Technologies,

2 8857

If configured multicast, which error is occurred..?

1 6458

Please explain about internal casting and external casting in java..?

3041

Why should we create an object? what is a need of it? Apart from access members of a class i want what is a need of object what does it contain?? In normal class to access any member of thaht class we create object where as for static class we access its members using class name. what is a difference between them... thanks in advance.

1 3633

what are memory considerations of jsp compares to other web components?

TCS,

6528

what are the differences between Generic server and application server in WebSphere environment?

3488

whether java is fully object oriented language or partially object oriented language

Infosys, ME, SMK,

4 8449

while creating thread why we extend thread class

2 4971

How HashMap implemented in java? how it internally works when values are added or searched from hashMap?What is the difference betweenthe implementation of hashmap and Linked Hashmap?

IBM,

3 10663

In inglish: How to convert jar to exe files? Em português: Como converter arquivos .jar para .exe?

2669

what is mean by synchronization?

BOB Technologies, GCPL,

3 6509

what is mean by thread lock?

Infosys, TCS,

2 6452

what is interface in java ?can you explain with simple example?and what is the difference between abstract and interface?

HCL,

2499

Un-Answered Questions { Java J2EE }

Write a java program for binary search?

1054

What are the different collection views provided by maps?

983

What are some characteristics of interference class?

993

What is default bootstrap port?

1026

what is the purpose of "virtual"?

1080

What technique is carried out to find out if a particular string is empty?

1012

What is hbm2ddl in hibernate?

341

Explain the different modes of auto wiring.

418

What is java util?

1014

Does WebSphere Application Server support CA Siteminder?

930

Is void a data type in java?

986

Is java a prime method?

981

What is a modular application?

1076

Why hibernate session is not thread safe?

306

What is the full form of jdbc and what is its purpose?

1001

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