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 BUSINESS DELIGATE PATTERN,DAO,VO,DTO?

BOB Technologies, TCS,

6 29063

without using arthematic operation ,how can you write the logic for adding/substraction/multiplication?

Tanla Solutions, Wipro,

7 14023

How to create an instance of a class if the class has private constructor?

3 9772

what is an ejb object?

Bally Technologies, HCL, Siemens,

5 20505

Driver manager is a class/interface.

Bally Technologies, College School Exams Tests, TCS,

5 20071

How to create an instance of a class without using "new" operator? Plz help me out properly.Thank u.

CSC,

10 28905

give me a java code snippet to connect Microsoft excel through.... I am trying alot... plz help me.

7 18257

how u do unit testing?

iFlex,

2 6317

How u dubugg ur project?

iFlex,

1 6566

what is the difference between?when we write the code in following manner? class One extends httpservlet { } and class One extends genericservlet { }

4 8147

how can u integrate ejb and hibernate? How can u call hibernateDAO methods in session bean?

Infosys,

2 11696

Hi guys.. Well can u tell me that why there is need of "init()" , i mean why can not we initialize the servlet object with the help of constructors? Thank you.

7 10034

who was the founder of java

CTS, HCL, ProKarma,

32 58027

AS a developer will u create a data source in connection pool? If so how will u do that, how to access the object from connection pool using IRAD tool?

1 2237

when connecting with the database,if database server is down,ho can we handle this exception in struts,how can we send error message to the user?

Wipro,

4 11512

Un-Answered Questions { Java J2EE }

How is declarative handling of exceptions done in struts ?

999

What is difference between @controller and @restcontroller in spring?

533

What do you mean by an interface in java?

1095

Differentiate between static and non-static methods in java.

1115

Hi frnd can i any one kindly can post for me portlet,hibernate and spring example application and with flow explantion configuration using Jdeveloper.and related links ar tutorials kindly please send me .its urgent for me .thanks in advance...........else can any one send to kondaiah.goddeti@gmail.com

2257

What is a constructor overloading in java?

1119

What are the contents on web.xml in struts application ?

1058

hi actully i hav form columns with origin and destination names .as like as i need to create one more column with name amount. my requirement is when i select origin and destination columns automatically i need to get amount from database.how can i. please tel me with relative code

2859

What is latest hibernate version?

485

What is a classloader in java?

1080

What are the differences between heap and stack memory in java?

1123

What is lazy class?

479

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126

What is an object in java and how is it created?

1124

What is parsing in java?

1025

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