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 servlet?

1091

What are the differences between the servletconfig interface and the servletcontext interface?

1187

What are the functions of the servlet container?

1628

Can servlet have a constructor ?

1048

Why do we need a constructor in a servlet if we use the init method?

1053

What is the directory structure of a war file?

1170

What is a servlet context object?

1139

How can the session in servlet can be destroyed?

1184

What are the types of protocols supported by httpservlet ?

1223

How do I use cookies to store session state on the client?

970

What are the phases of the servlet life cycle?

1133

What’s the difference between genericservlet and httpservlet?

1114

What’s the difference between forward() and sendredirect() methods?

1016

How do I support both get and post from the same servlet?

1211

What is preinitialization of a servlet?

1027

Un-Answered Questions { Java J2EE }

Is age a discrete variable?

977

What is the map interface?

1125

When is the finalize() called? What is the purpose of finalization?

1078

How does a cookie work in Servlets?

843

What is a static class in java?

1012

What is spring dao?

414

What are the different types of exception?

1036

What do you mean by cgi and what are its drawbacks?

987

Why does the option tag render selected=selected instead of just selected?

1177

Explain the pointers in Java?

1052

Can you change array size in java?

964

How can we break singleton in java?

968

What are the causes of having ociw32.dll error in the database of web logic server?

1028

Explain the difference between protected and default access.

998

What is a resource in spring?

402

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