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 java string pool?

1003

What is a constructor overloading in java?

1036

What is a classloader in java?

1018

What is the difference between break and continue statements?

1037

What are the differences between heap and stack memory in java?

1055

What do you mean by an interface in java?

1029

Explain public static void main(string args[]) in java.

988

What is an object in java and how is it created?

1054

What is collection class in java? List down its methods and interfaces.

966

What are the different types of inheritance in java?

991

What is an association?

985

What are wrapper classes in java?

1068

What is the difference between array list and vector in java?

935

Is multiple inheritance supported by java?

993

What is a map in java?

988

Un-Answered Questions { Java J2EE }

Is null or empty java?

984

What is dao layer in spring boot? : Spring Boot

406

What is a durable queue?

858

What is the difference between Grid and Gridbaglayout?

1243

What happens when a thrown exception is not handled?

1114

What is integer size in java?

1023

What are the extension interfaces that are there in hibernate?

345

Write a program to find the whether a number is an Armstrong number or not?

1032

What is ejb module?

958

What is the use of viewresolver in spring?

491

What is apache struts framework?

965

Can we extend immutable class?

985

how its run?

1065

How to find out the listening ports?

1075

What is multi tier architecture in j2ee?

898

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