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 Connection Pooling?

Enteg Technologies, Infosys, Polaris,

1 6553

What are Benefits of Connection Pooling?

2 6470

What is Hash Code in Java?

Cognizant,

6 16009

What are uses of Hash Code?

Cognizant,

2 7471

What is the use of ActionErrors in Struts?

HCL, TCS,

2 8292

I have written a program to connect to database using odbc.Can this Application run on any Platform????

2 4630

I have 100 records in a table with two rows. I need to display 10 records per page like Google Search. I need only the Logic(Pagination) in Pure Java. No JSP and all..Thanks in Advance...

Cybernet,

2 8019

IS method overriding is Duplication of Methods?

CybAge,

5 10407

Hai all.Can i develope Struts action class without execute(-,- ,-,-)method.Ifd it's possible plz provide some sample code.

TCS,

3 13633

Hai all.What is the use of tag in struts application.

CA, TCS,

3 8874

can someone tell me how does preparedstatement works? its an interface and where is the implementation?

Satyam, TCS,

3 8497

please tell me the name and url path for type-4 driver ?

1 3181

Hi Friends. I want complete technical flow of j2ee project with following technologies. jsp , servlet , Struts , Hibernate , (should follow mvc-2 design pattern) . with DAO ,DTO SERVICE layers .

Infosys,

4807

What is servlet preinitialization?

iFlex,

3 10049

What is servlet preinitialization

iFlex,

1 5446

Un-Answered Questions { Java J2EE }

What is a java applet?

958

What is the default transaction attribute for an ejb?

973

What is private protected in java?

1056

What is lossy conversion in java?

1213

Explain deployment descriptors?

1081

Is jdbc open source?

870

How to change button color in java swing?

968

What class.forname does, while loading the drivers?

970

how will you trouble shoot the URL issue in Web logic/ways?

1459

When to use doget() and when dopost()?

1122

How many types of queries are there in hibernate?

356

Why spring is loosely coupled?

372

Is jdbc part of j2ee?

983

Describe what a thread-local variable is in java?

1017

Why declare Main() inside the class in java ?

1069

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