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

How can you retrieve data from the resultset using jdbc?

1 1174

How can you use preparedstatement in jdbc?

1 1072

What are collection pools?

1 1047

What are the advantages of collection pools?

1 1141

How can you create jdbc statements?

1 1038

What do you mean by httpservlet and how it is different from the genericservlet?

1 1166

What is the use of httpservletrequestwrapper and httpservletresponsewrapper?

1 1137

How do you create a cookie using servlet?

1 1252

Why doesn’t a servlet include main()?

1 1120

Write a simple servlet program to print the contents of html.

1 1150

Why do we use sendredirect() method?

1 1040

Explain the servlet filter.

1 1067

Write a hello world program using servlets.

1 1152

How do you configure a centralized error handler in servlets?

1 1185

Why doesn’t a servlet include main()? How does it work?

1 1246

Un-Answered Questions { Java J2EE }

What is the difference between equals() and == in java?

1032

How to create a base64 decoder in java8?

1131

Write a program to print count of empty strings in java 8?

1080

Differentiate between static and non-static methods in java.

1117

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

1095

Write a java program to find the route that connects between Red and Green Cells. General Rules for traversal 1. You can traverse from one cell to another vertically, horizontally or diagonally. 2. You cannot traverse through Black cells. 3. There should be only one Red and Green cell and at least one of each should be present. Otherwise the array is invalid. 4. You cannot revisit a cell that you have already traversed. 5. The maze need not be in the same as given in the above example

2659

Hi frnds how to lock an user when he enter wrong credentials more than 3 time using java or j2ee tech take username and password in a bean no need to connect DB and validate give me some sample application code or links its urgent for me thanks in advance

2415

What is java string pool?

1076

What is a classloader in java?

1084

What is action chaining ?

1160

Can we return resultset in java?

988

What is latest hibernate version?

486

Hi frnd can i any one kindly can post for me portlet,hibernate and spring example application and with flow explantion configuration using Jdeveloper.and related links ar tutorials kindly please send me .its urgent for me .thanks in advance...........else can any one send to kondaiah.goddeti@gmail.com

2259

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

1128

How is declarative handling of exceptions done in struts ?

1001

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