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

How do I disallow NULL values in a table?

994

How do I insert/update records with some of the columns having NULL value?

937

Is there another way of dealing with the result set that could execute faster?

1005

What are the considerations for deciding on transaction boundaries?

1009

How can I determine where a given table is referenced via foreign keys?

1000

How can I get information about foreign keys used in a table?

965

What is DML?

1001

What is the significance of DataBaseMetaData.tableIndexStatistics? How to obtain and use it?

984

What types of DataSource objects are specified in the Optional Package?

1006

Which Java and java.sql data types map to my specific database types?

1067

What is the difference between invokeAndWait() and invokeLater()?

1069

When we should go for codebase in applet?

1068

Which method is used for setting security in applets?

1082

What is an event handler in swing?

1144

Which containers use a border Layout as their default layout in swing?

1038

Un-Answered Questions { Java J2EE }

Why is java so important?

1119

Differences between traditional programming language and object oriented programming language?

1123

What is new in was 8.5.5?

830

Is minecraft 1.15 out?

976

Explain about JMS queue?

993

What signal tells the jvm to give a thread dump? Does those signal work if you specify -xrs? Why?

886

Why are springs important?

414

How do you initialize an arraylist in java?

1040

Explain about fail fast iterators in java?

1059

What do you understand by the term polymorphism?

1076

What is bea weblogic? : BEA Weblogic

1002

Explain something about inventory table? Whats does inventory flags used for?

830

Whether we can get deadlock situation in servlets?

1072

What are the core interfaces are of hibernate framework?

509

What is the implementation of applicationcontext container?

457

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