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 6574

how many external variables are there in jsp ?

1 6412

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?

1943

what is the purpose and activity of SessionFactory in hibernate?

Cognizant, HCL, Oracle, PiServe Technologies,

13 55818

what is defect. Is it runtime exception or comiletime exception

L&T,

3 7306

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

2 6777

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

1 6041

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 3883

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

2 7347

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

1872

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

Satyam, TCS,

3 8344

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,

4752

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

2 5503

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

2 5324

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

7 23868

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Un-Answered Questions { J2EE }

What do you mean by the deployment descriptor?

935

Explain jta, jndi, and jms.

963

What is a j2ee module?

872

Describe the file types *.ear, * .jar and *.war?

928

Why java is a platform?

850

Explain the j2ee tiers.

811

What is comment?

863

How do I become a java developer?

878

what is interface in java ?can you explain with simple example?and what is the difference between abstract and interface?

2459

What is group?

935

Is core java and j2se same?

793

Describe orm?

878

What is the concept of connection pooling?

963

What does resource adapt module contain?

902

What is the best java course?

1024

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