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

Explain the architectural relationship between EJB & XML?

Wipro,

1 5602

What is Type-3 Driver and when this driver is used?

Wipro,

3 9605

Can you create an index on sex column where there is M or F?

Wipro,

1 7177

How can you tune SQL statements?

Wipro,

2 6545

How to execute bulk number of queries at once?

Wipro,

3 9831

Is the JDBC-ODBC Bridge multi-threaded?

Wipro,

2 13323

What are null interfaces in JAVA ? and give me some examples?

5 19590

Explain Global variables in Packages?

4 8381

Explain about GridBag Layout?

1 4432

What is HashTable?

4 12686

what is Dictionary? and what purpose it is used for?

3 6487

Have you used any version control ? if so explain about it?

2 6317

How OOPS concept is achieved in Java?

Cognizant, JPMorgan Chase, Xavient,

6 25268

How are Java source code files named?

3 8890

How are Observer and Observable used?

3 7471

Un-Answered Questions { Java J2EE }

Describe the two types of formbeans.

1002

Do you know what is the meaning of classformaterrors used with the applet?

982

Explain the differences between jsp and servlet.

1000

What is orm database?

325

What is the impact of declaring a method as final?

1019

What are some characteristics of interference class?

996

What does the application client module contain?

930

Is string thread safe in java?

1091

What is hash in java?

974

Why we use struts in java?

928

Which class is the superclass of all classes?

1110

Can we sort list in java?

973

Why does jmssession.createtopic or jmssession.createqueue fail to create a destination in wls jms 6.1 (it worked in 5.1)?

835

What is the difference between error and an exception?

1155

What is a arraylist in java?

1068

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