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 the difference between checked and unchecked Exceptions?

CTS,

4 9835

why java does compile time polymorphism at run time ?

CTS, TCS,

6 15185

what is the use of clone() in real time scenario?

Quinnox,

2 17688

what is the use of thread?Justify it by project point of view

7 8746

How to Know the maanged servers status,when admin console is not available?

Wipro,

5 21650

What is the linux command is used to know the version of weblogic server?

IBM,

8 22971

can i override service method

Intelligroup,

3 6777

why java does not contain pointers?

Infosys, TCS,

13 17379

Difference between jakarta tomcat and apache Tomcat?

IBM,

4 8746

What is the difference between callling a RequestDispatcher using ServletRequest and ServletContext?

2 5819

When we don't write any constructor for the servlet, how does container create an instance of servlet?

Godrej, TATA,

2 6416

What is servlet context ?

4 6821

What is filter? Can filter be used as request or response?

1 4612

Given the request path below, which are context path, servlet path and path info? /bookstore/education/index.html

1 4631

How many JSP scripting elements and what are they?

TCS,

4 7351

Un-Answered Questions { Java J2EE }

Does the database server have to be running Java or have Java support in order for my remote JDBC client app to access the database?

972

What are common tasks performed by Servlet Container?

1258

What are the methods of object class ?

1054

What is the difference between assignment and initialization?

1046

What is hibernate in java?

349

what are getters and setters in Java with examples?

1781

Is spring boot and spring mvc same? : Spring Boot

394

What is called preparedstatementcreator?

402

What is pojo in spring?

395

How to perform action on button in java swing?

951

2) Suppose there are 5 directories having lot of files (say txt files) in each directory. 2 things :- 2.1) You want to search for filenames which have a particular pattern. 2.2) Out of these filtered files you want to search for a particular keyword or a search string. How can you achieve this?

2279

What’s the difference between @controller, @component, @repository, and @service annotations in spring?

396

What is jpa in spring boot? : Spring Boot

402

Write a program in java to find the maximum and minimum value node from a circular linked list.

1079

Is jms an api?

826

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