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 the purpose of static methods and variables?

1057

What is the static import?

1120

What are the advantages of passing this into a method instead of the current class object itself?

1686

What is the difference between checked exception and unchecked exception?

1023

What is super in java?

1007

Can you access the private method from outside the class?

986

What is the abstract class?

1048

What is jdbc driver?

912

How can we store and retrieve images from the database?

978

What are the different types of lockings in jdbc?

938

How can we maintain the integrity of a database by using jdbc?

1093

What is the return type of class.forname() method?

955

How can we retrieve the file in the oracle database?

979

How can we store the file in the oracle database?

950

What is batch processing and how to perform batch processing in jdbc?

938

Un-Answered Questions { Java J2EE }

If you are truncated using JDBC, how can you that how much data is truncated?

1070

Is hibernate an implementation of jpa?

468

What is array length?

985

What is Point-to-Point Approach?

1669

Describe the file types *.ear, * .jar and *.war?

1011

What is the benefit of inner / nested classes ?

1003

You're given a Boolean 2D matrix, can you find the number of islands?

1120

Explain what is powershell?

879

What is ems queue?

984

What is the use of namespace in action mapping in Struts2?

1070

What is context in servlet?

1053

Why swings are called lightweight components?

1064

Tell me a few examples of final classes defined in Java API?

1111

What is the role of web.xml in spring mvc and where is it located?

477

What is space character in java?

1125

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