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Java J2EE Interview Questions
Questions Answers Views Company eMail

What is Connection Pooling?

Enteg Technologies, Infosys, Polaris,

1 5610

What are Benefits of Connection Pooling?

 2 5361

What is Hash Code in Java?

Cognizant,

6 13933

What are uses of Hash Code?

Cognizant,

2 6397

What is the use of ActionErrors in Struts?

HCL, TCS,

2 7096

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

 2 3706

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 7056

IS method overriding is Duplication of Methods?

CybAge,

5 8738

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

TCS,

3 12370

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

CA, TCS,

3 7868

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

Satyam, TCS,

3 7219

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

 1 2480

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,

4403

What is servlet preinitialization?

iFlex,

3 8718

What is servlet preinitialization

iFlex,

1 4549

Un-Answered Questions { Java J2EE }

What is a merge field?

505

Is id mandatory in hibernate?

142

Can we initialize the final blank variable?

582

What are the components of spring framework?

170

Why use a datasource when you can directly specify a connection details? (in a J2EE application)

3457




How do you deal property files in servlet?

602

What is a command to stop and start jvm?

489

What is difference between j2ee and java?

498

How is a structure different from array ?

582

What is void class in java?

528

What is mean by j2ee?

480

What technologies are included in j2ee?

504

Why java doesn’t support multiple inheritances?

584

What is the different between get and post?

500

How many types of jdbc drivers are available?

494

For More Un-Answered { Java J2EE } Questions Click Here