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 to convert String into primitive datatype.

6 15793

java doesnot support multiple inhetance. but a interface can support.how the ambiguities are rectified in interfaces?

3 6542

why we import both packages java.awt.*; and java.awt.event.*; as java.awt.*; can import all classes na. then what is the need of importing java.awt.event.*; ?

3 9738

java doesnot support multiple inhetance. but a interface can support.how the ambiguities are rectified in interfaces?

CGI,

2 6035

what is the difference between a java object reference and c++ pointer?

4 12946

Hi.... I applied for the post of scientific officer/Engineer-SB(Programmer).Please post the syllabus and sample papers.

2002

what is tempplate pattern

IBM, RBS,

4 11466

what is bmg file and how to create that files?what will it contailn?

HCL, Probe Services,

2355

when i m calling java for web browser . so browser it's not support. show error in browser: internal error occur. java.lang.NoClassDefFoundError. will you give me solution why it's not starting browser.? is there any consult with .net framework2.0?

2016

what is marker interface ? what is the necessity of it?

Accenture, Newgen,

5 10869

what release of java technology are currently available what do they contain?

1 3831

what is the J2EE BluPrints?

2133

why Runnable interface is preferable than extending the Thread class?

Aizza, College School Exams Tests, Sybrant Technologies, Wipro,

7 27078

Interface A { String test(); } Interface B { int test(); } Create a class AB which must implements both A & B interfaces.

Hewitt,

17 24157

printstream class method println() is calling using System class and its static object out .how it is explain any one in detail with example ?

TCS,

1 5396

Un-Answered Questions { Java J2EE }

How does hibernate work?

612

What is annotation wiring and how do we turn it on?

367

What is the common usage of serialization? What exceptions occur during serialization?

1135

java based application for hospital management

3840

What is the Concept of Encapsulation in OOPS

1002

What is the benefit of having jdbcrowset implementation? Why do we need a jdbcrowset like wrapper around resultset?

961

What is the difference between system.out ,system.err and system.in?

1107

What do you mean by ognl?

1004

For class CFoo { }; what default methods will the compiler generate for you>?

1078

How can we write our own interceptor and map it for action?

1061

List some oops concepts in java?

1039

What is difference between requestmapping and getmapping?

465

Explain the performance tuning in jdbc?

987

How to use forward action to restrict a strut application to mvc?

1057

Enlist the CallBack methods of Session Bean?

1048

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