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 6665

how many external variables are there in jsp ?

1 6536

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?

2005

what is the purpose and activity of SessionFactory in hibernate?

Cognizant, HCL, Oracle, PiServe Technologies,

13 56304

what is defect. Is it runtime exception or comiletime exception

L&T,

3 7436

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

2 6904

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

1 6125

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 3952

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

2 7495

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

1925

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

Satyam, TCS,

3 8462

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,

4801

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

2 5629

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

2 5444

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

7 24170

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Un-Answered Questions { J2EE }

What is a java application client?

1044

What is j2ee component?

1047

What is actionform?

938

Why primitive data types in java are not objects?

885

What are the java backend technologies?

892

Is java still slow?

918

What is declaration?

950

Define authorization constraint?

996

What is javamail?

934

What is use of final keyword in java?

978

Is java part of oracle?

894

What is application component provider?

994

What is application client?

982

What is event in java?

860

How many types of modules is defined by j2ee specification?

892

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