J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

J2EE Interview Questions

Questions Answers Views Company eMail

what is external varibles in jsp?

Verizon,

1 6597

how many external variables are there in jsp ?

1 6437

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?

1960

what is the purpose and activity of SessionFactory in hibernate?

Cognizant, HCL, Oracle, PiServe Technologies,

13 55894

what is defect. Is it runtime exception or comiletime exception

L&T,

3 7343

How to achieve multiple inheretence in java.I need an example. how we achieve.

2 6796

Can u give me sample code for ServiceImpl and DaoImpl, in j2ee .

1 6055

Hi friends can you give me sample code for Entire j2ee web application with struts and hibernate.I mean code for Dao, DaoImpl, HibernateDao ,HibernateDaoImpl, Dto , service , ServiceImpl , i.e.

1 3900

Hi friends, can u explain Transparent Persistence in hibernate with sample code.

2 7370

In DAO we are writting sql queries , how it is possible with creating and closing database connections.

1882

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

Satyam, TCS,

3 8369

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,

4759

Possible ways for debugging java ,javascript,jsp and servlet. Can we use System.out.println debugging java.

2 5535

Every field has setter and getter methods.what is happening in this methods.

2 5353

servlet has not any main method in it how does it work by JVM?

7 23941

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Un-Answered Questions { J2EE }

What do you understand by a thin client?

924

What is data?

902

What is architecture neutral in java?

911

What are the differences between Ear, Jar and War files? Under what circumstances should we use each one?

932

How can I be good in java?

901

What is j2ee module?

954

What is archiving?

984

What is java technology stack?

853

Is tomcat a java ee?

844

What is sandbox in java?

879

Define hashtable in j2ee?

942

What is interpreter in java?

805

what is direct link to download swing ebook,applet,ejb,core java

2543

I am newbie in J2EE & looking for strong basic behind each concept as, Why do we use private access specifier before each variable of type property bcoz ultimately to access it outside the class we use public method as getter & setter ? If we use getter & setter to access it outside the class so better we make variable as public so that it is easily available outside of the class... Please guide me why do we use as private ????

5998

What is containers in java?

810

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