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

Which container method is used to cause a container to be laid out and redisplayed?

1153

Which class is the immediate superclass of the menucomponent class?

1217

What is the argument type of a programs main() method?

1134

What value does read() return when it has reached the end of a file?

1047

What class is the top of the awt event hierarchy?

1127

How are the elements of a cardlayout organized?

1100

What method is invoked to cause an object to begin executing as a separate thread?

1057

What is the relationship between an event-listener interface and an event-adapter class?

1141

What must a class do to implement an interface?

1219

What value does readline() return when it has reached the end of a file?

1095

When a thread blocks on i/o?

1120

Which characters may be used as the second character of an identifier, but not as the first character of an identifier?

1068

Which javutil classes and interfaces support event handling?

1059

What is the immediate superclass of the applet class?

1104

Is “abc” a primitive value?

1134

Un-Answered Questions { Java J2EE }

How can we work with error tags?

1006

When we can update the application? Is server up time or downtime?

1425

How can we make a class singleton?

1100

Is it possible to connect to multiple databases simultaneously? Using single statement can one update or extract data from multiple databases?

1034

Explain the difference between static and dynamic binding in java?

1080

What about main thread in java?

1141

What are the differences between the constructors and methods?

1146

What's the architecture of a servlet package?

1068

What are the various ways of session supervision in servlets?

1029

What are the swing components in java?

1047

Can you declare the main method as final?

1032

List some important characteristics on jre

1087

What is java soft framework?

1013

Explain the transient field modifier?

1063

what is collatration?

3299

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