Advanced Java Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Advanced Java Interview Questions

Questions Answers Views Company eMail

What are the design considerations while making a choice between using interface and abstract class?

1096

What is permgen or permanent generation?

1028

Difference between loadclass and class.forname?

1055

Are enterprise beans allowed to use thread.sleep()?

1152

What is clustering? What are the different algorithms used for clustering?

1081

What is the diffrence between a local-tx-datasource and a xa-datasource?

1056

Is there a guarantee of uniqueness for entity beans?

1011

What is re-entrant. Is session beans reentrant. Is entity beans reentrant?

1062

What do you need to set-up a cluster with jboss?

1076

What are the call back methods in entity bean?

1072

What is jboss?

1039

What is chat area? Explain.

1023

Is it possible to stop the execution of a method before completion in a sessionbean?

1091

What is the difference between the ‘font’ and ‘fontmetrics’ class?

1159

What is the diffrence between a local-tx-datasource and a xa-datasource? Can you use transactions in both?

1033

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Un-Answered Questions { Advanced Java }

How can I scroll through list of pages like the search results in google?

969

What is the difference between the font and fontmetrics classes?

1158

What do you know about seam?

1057

Why do I get a duplicate name error when loading a jar file?

1151

For which statements does it make sense to use a label?

1083

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

1117

Why a component architecture for the java platform?

1218

Explain about local interfaces.

1060

Why do threads block on i/o?

1261

What is the difference between session and entity beans?

1116

What are the difference between RMI and CORBA?

1116

What is a session? Can you share a session object between different theads?

983

AS a developer will u create a data source in connection pool? If so how will u do that, how to access the object from connection pool using IRAD tool?

2149

What is synchronization and why is it important?

1121

What is Stream Tokenizer?

2260

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