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 jvm? how can it is useful in java?

3 6951

how dopost is secured than doget?

CGI,

4 8483

How many objects are created when we create String class object using new operator?

Mind Tree,

9 27572

What is onClassLoader in java?

Cap Gemini,

5 9862

What is the first statement in jsp page.

L&T,

7 12750

What is a cluster? What is High Availability and Fail over?

IBM,

3 12670

What is the major difference between managed server and admin server?

TCS,

4 26766

What is the difference between Connection Pool and data source?

HCL, HP, Polaris,

4 28629

What is a web server? How is it different from Application server?

IBM,

3 8207

What do you understand by JDBC connection pool? What are the steps to create a connection pool in WebLogic?

IBM,

1 6812

What is the basic requirement for starting a WebLogic server?.

ABC Inc, CMC, HCL, Wipro,

1 7326

Do you require JDK/JRE for installing a WL Domain?

IBM,

2 8387

What is thread dump? What is the UNIX command for taking thread dump?

HCL,

2 10729

What is multicast address in Clustering? Why do we need it?

IBM,

3 8472

Are WebLogic Servers password secure?

HCL, TCS,

3 9379

Un-Answered Questions { Java J2EE }

Which variables are stored in heap?

1033

How hashmap increases its size in java?

989

What does hql stand for?

325

Explain the JDB in depth & command line.

1016

Why spring framework is needed?

391

Tell me what are the steps involved in configuring the jms?

980

What is Hibernate Session and how to get it?

405

What is the use of @autowired annotation?

411

What are the different types of drivers under jdbc?

853

Write a code to do the component mapping in hibernate.

405

What is the use of qualifier?

421

What is a heavyweight component?

1025

What is the use of pattern in java?

1057

Does WebSphere Application Server support Microsoft NTLM?

912

difference between mca and mqi channels?

1151

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