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 a jdbc driver and how many jdbc drivers are available?

1054

How many rowset are available in jdbc?

1116

What are the jdbc statements?

975

Which interface handles transaction management in jdbc?

1114

What is the difference between setmaxrows(int) and setfetchsize(int)?

1059

Why are we using blob datatypes in jdbc?

1087

What is resultset?

996

What is the meaning of connection?

971

How many locking systems are there in jdbc?

1027

How to set the attribute concurrency in resultset?

935

What is the function of drivermanager class?

1102

Which jdbc driver is the fastest driver?

1027

What are the jdbc api components?

1145

Is it possible to connect to multiple databases? Using single statement can we update or extract data from two or three or many databases?

1090

Why should we close database connections in java?

1146

Un-Answered Questions { Java J2EE }

What is stack explain?

997

What is an exception? difference between Checked and Unchecked exception in Java

1012

what is the role of xml in core java?? and how we can use it?? can somebody give a sample program with explanation and from where i can read more about xml?????

2269

Why inputstreamreader is used in java?

1019

What is ServletConfig object?

1185

how to implement jdbc-odbc bridge driver (type 1) in websphere?

851

What is instance means in java?

1050

What is a file pointer?

1081

Why would you use a singleton?

397

How can link tag’s action attribute be used?

955

What is dependency injection(ioc) in spring?

507

Define how can we find the actual size of an object on the heap?

1208

What are the benefits of Interceptors in Struts2?

1177

What are some of the important features and advantages of spring framework?

450

What is webservlet?

996

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