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 permgen or permanent generation?

1049

Difference between loadclass and class.forname?

1073

Can we have multiple struts config files ?

992

What are the classes used as part of struts framework ?

976

What is controller in struts ?

1011

What validate() and reset() method does ?

1115

What configurations are stored in struts configuration file ?

1017

What is action chaining ?

1103

How is declarative handling of exceptions done in struts ?

943

What is the difference between filters and interceptors ?

1187

What do you know about validation plugin ?

975

What are the contents on web.xml in struts application ?

997

How many instances of servlet usually run in a struts application ?

1028

What does the jdbc connection interface?

998

What is the advantage of namedparameterjdbctemplate?

973

Un-Answered Questions { Java J2EE }

What are the five major types of reference sources?

1154

What is the use of @ejb annotation?

990

What is columnar data format?

416

What is a hibernate transaction?

410

What is fetchtype lazy?

420

How do you declare an array that will hold more than 64KB of data?

1317

Why swings are called lightweight components?

1069

What is the use of @bean in spring boot? : Spring Boot

459

Can a constructor be private and how are this() and super() method used with constructor?

1023

Is string thread safe in java?

1104

What is meant by inheritance and what are its advantages?

1128

What are advices in spring?

459

What is final keyword in java? Give an example.

1030

What are the different types of JDBC drivers?

1076

What is the spring mvc framework?

466

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