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

what is the difference between Object Based Language and Object Oriented Language?

Aspire,

1033

Explain how does JSP handle run-time exceptions?

BirlaSoft,

1096

Explain how to improve Servlet Performance?

BirlaSoft,

1146

If some new data has entered the database, explain how can a servlet refresh automatically?

BirlaSoft,

1296

What is the importance of init() method in Servlet ?

BirlaSoft,

1086

Explain Action Servlet?

Cap Gemini,

1090

How the JSP file will be executed on the Server side?

Cap Gemini,

1141

Explain what is an EJB Context?

BirlaSoft,

1042

what is meant by Struts Validator Framework?

Cap Gemini,

1007

To the class members how can we provide security?

Aspire,

1 5225

What is the Difference between Final Class && Abstract Class?

HCL,

1077

can used Protected Class outside Function.?

HCL,

1102

why Interface used?

HCL,

988

What happens if an exception is throws from an object's destructor?

Amazon,

1048

What is reflexive association?

Infogain,

1 1804

Un-Answered Questions { Java J2EE }

What are the various access specifiers in java?

1003

How does a for loop work java?

1041

What happens when I use / and % with a negative numerator?

1045

What is a memory leak in java?

1074

What is array length in java?

964

Difference between hibernate session merge() vs update()?

399

How is localization achieved in the spring mvc web applications?

382

What is the difference between the http servlet and generic servlet?

1147

Enlist few advantages of inheritance?

1075

What is spring dao?

414

What is the front controller in struts2?

960

Is static a singleton?

980

Why vector class is used?

992

What does the jdbc resultsetmetadata interface?

948

Is oracle client required for jdbc connection?

968

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