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

Java Compiler is stored in JDK, JRE or JVM?

1520

Can we declare a class as static?

1092

Can we have try without catch block?

1076

What is the use of System class?

1157

What is Enum in Java?

1301

What is Java Annotations?

1097

What are the important features of Java 9 release?

994

What is servlet attributes and their scope?

1057

Write a servlet to upload file on server.

1101

How do we call one servlet from another servlet?

1040

What are the phases of servlet life cycle?

1108

How to make sure a servlet is loaded at the application startup?

1039

Why HttpServlet class is declared abstract?

1213

Why do we have servlet filters?

1021

What is the effective way to make sure all the servlets are accessible only when user has a valid session?

1055

Un-Answered Questions { Java J2EE }

Is spring a link?

408

What about plug-in?

827

Is list thread safe in java?

919

What is columnar data format?

393

Hi Friends, i have searched in google but not clear. can you give bank example with synchronized keyword

2041

Which tag is used to declare constants in struts xml?

955

What are the different methods involved in generic servlet?

1090

How does a for loop work java?

1033

How to obtain a performance profile of java program

1026

Can a constructor be protected?

1085

What is a distributed queue?

953

What is JMS administered object?

897

Is an empty arraylist null?

1089

How do you create a null object?

1081

How many bits is a float?

1002

For More Un-Answered { Java J2EE } Questions Click Here