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 constructor be inherited?

1043

Can a class declared as private be accessed outside it’s package?

1016

What is the relationship between clipping and repainting under awt?

1151

What is are packages?

1038

I want to re-reach and use an object once it has been garbage collected. Define how it’s possible?

1016

What is externalizable interface?

1111

What is the difference between reader/writer and inputstream/output stream?

1088

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

1212

Where and how can you use a private constructor?

999

What happens if an exception is not handled in a program?

1109

What is the difference between the size and capacity of a vector?

1045

Why deletion in linkedlist is fast than arraylist?

1105

What is the difference between a constructor and a method?

1262

When arithmeticexception is thrown?

1037

What’s meant by anonymous class?

1090

Un-Answered Questions { Java J2EE }

How does ejb container work?

965

What is the function of annotation @requestbody?

393

What is application client?

997

What are benefits of java?

1051

Discuss different types of errors that generally occur while programming.

1042

Explain the difference between static and dynamic binding in java?

1071

How can we invoke stored procedures in hibernate?

401

Explain what is synchronization?

1106

What can happen when stub can’t to connect to web-logic server instances?

954

What is pure servlet?

1213

How many types of JDBC Drivers are present and what are they?

1195

Why can't you declare a class as protected?

1139

What is use of @postconstruct?

958

What is a dispatcherservlet in spring boot? : Spring Boot

482

Can a list be null in java?

1053

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