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 java hashmap have duplicate keys?

1043

How is java hashmap implemented?

1045

Can you have two constructors in java?

1006

How do you declare an array in java?

1085

Is java map thread safe?

983

Is array dynamic in java?

946

Does java set allow duplicates?

1099

Can we increase array size dynamically in java?

970

How to store image in arraylist in java?

992

How do you delete a list in java?

980

Can we declare an array without size in java?

1034

Does java map allow duplicates?

914

Can java arraylist hold different types?

1092

Is arraylist sorted in java?

1018

How do you remove duplicates in java?

1034

Un-Answered Questions { Java J2EE }

What are the key attributes?

350

how to call the method or function in the coding?

900

List the different scopes of spring bean?

441

Why is hibernate called orm?

415

How do I find the jms queue in weblogic?

834

What is the purpose of @intrangefieldvalidator annotation?

1356

What is the use of dao in spring?

410

Explain the difference between awt and swt.

1048

What is the java persistence api used for?

406

What is the web server used for running the Servlets?

1032

How do I know if java is running on linux?

1139

What is the difference between interface & abstract class?

1062

What are the types of inheritance models in hibernate?

377

What are the differences between statement and preparedstatement interface?

1000

What is the use of pattern in java?

1069

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