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

Can a constructor be made final?

1129

Explain treeset?

1132

What is a war file?

1108

What do you mean by synchronized non access modifier?

1014

What is the purpose of default constructor?

1013

Which package is used for pattern matching with regular expressions?

1133

How finally used under exception handling?

960

What kind of variables a class can consist of?

1118

What is the difference between stringbuffer and stringbuilder class?

1125

Explain the usage of this with constructors?

1043

What is protected access modifier?

1016

What is final class?

1038

What things should be kept in mind while creating your own exceptions in java?

1179

Which are the two subclasses under exception class?

1112

Define jre i.e. Java runtime environment?

1029

Un-Answered Questions { Java J2EE }

What is bidirectional and unidirectional?

371

What is the basic of java?

1036

How does dependency injection work in spring?

508

Mention the difference between durable and non-durable subscription?

818

What is executor memory?

961

How do I create a producer pool? : BEA Weblogic

999

What is in term of jdbc a datasource?

935

Can we assign integer value to char in java?

1048

What are different types of spring bean autowiring?

492

What are jdbc and its components?

997

How do you call a reference in java?

1002

What every java developer should know?

964

How does @transactional works in spring?

466

What is the concatenation operator in java?

1169

Explain the life cycle of jdbc.

1049

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