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

Are foreign destinations handled within foreign jms messages?

919

How do I handle request/response using jms?

841

Can you use a foreign jms provider to drive an mdb transactionally?

865

Which are the benefits of mdb (message driven beans) over standard jms consumers?

832

Why did my jdbc code throw a rollback sqlexception?

932

Can I enable requests to a jdbc connection pool for a database connection to wait until a connection is available?

929

How does a file store compare with a jdbc store?

1223

Which of the attributes in the monitoring tab for a jdbc connection pool in the administrative console tell us how many clients are currently waiting for a connection?

937

Which of the recommended practices to be performed in the ejbpassivate() method of a stateful session bean?

1126

An instance of stateful session ejb when accessed simultaneously from more than one clients on same vm results in remoteexception or ejbexception. In case the client is a servlet thread, which of the techniques can be used to avoid remoteexception/ejbexception?

1000

A client wants to preserve the reference to the ejbhome object of an enterprise bean instance and use it later. Which of the following can be serialized for this purpose?

1017

How do I use a less than or greater than on a message selector in ejb-jar.xml?

983

Match the ejb functions given below with the functionality equivalent in sql?

992

For ejb applications with bean-managed transaction demarcations, which of the following is used by the client to get a reference to the usertransaction object for the weblogic server domain?

1017

Which is the only method defined in the javax.ejb.handle interface?

1112

Un-Answered Questions { Java J2EE }

What is an example of a boolean?

1085

Can arraylist contain null values?

1035

What is cr keyboard?

1282

Can subclass overriding method declare an exception if parent class method doesn't throw an exception?

1105

What are log filters and what are their purpose?

976

What does the jdbc driver interface do?

1006

What is meant by stereotype annotation?

460

What is the difference between a vector & an array list?

1184

Difference between start() and run() method of thread class?

1081

What is a Integration Flow Designer?

930

What does jenkins do?

929

How many types of dependency injection are there in spring?

403

Is spring jdbctemplate thread safe?

480

What do you know about seam?

1077

How many types of resultset are there in jdbc?

976

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