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 15763

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

3 6526

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 9715

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

CGI,

2 6020

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

4 12927

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

2000

what is tempplate pattern

IBM, RBS,

4 11444

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?

2011

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

Accenture, Newgen,

5 10850

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

1 3825

what is the J2EE BluPrints?

2130

why Runnable interface is preferable than extending the Thread class?

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

7 27041

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

Hewitt,

17 24104

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 5388

Un-Answered Questions { Java J2EE }

What is protected in java?

995

What type of variable is error flag?

1070

What is the base class for all swing components?

1051

Why Java doesn’t support multiple inheritance?

1038

What is immutable state?

1022

What is awt and swing in java?

979

Is the naming of connection factory independent of the name specified by JMS client?

834

What does this () mean in constructor chaining concept?

1125

What is tcp and udp?

1015

Explain the jdbc abstraction and dao module

418

explain local datetime api in java8?

1010

What is the use of jit compiler in java?

878

Why can't we add products while specifying target catalog entry in promotions?

833

What is the difference between classpath and build path?

473

Is it possible to cast an int value into a byte variable? What would happen if the value of int is larger than byte?

952

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