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Java J2EE Interview Questions
Questions Answers Views Company eMail

Have you worked on bits programming? examples?What is bit? How many bits are there in the byte?

1 4190

What is left shift and right shift?

1 5803

How GC (Garbage Collector) knows the objects reference is unused.Whether GC removes the unused object Parmanently or it maintains something.

2 7276

Why all programming languages have main as a execution starting point?

4 9127

How to forward from Array List to Jsp in Struts ActionServlet class?

8 22770

what is private constructor?what are the uses of writing private constructor in our program?

10 21810

can servlet have instance variables?

Syscon, Wipro,

8 26183

drawback of Validation Framework where and how to write the connection pool object in the programe how to debug the programe and application in struts without using eclips

1 4851

drawback of Validation Framework where and how to write the connection pool object in the programe how to debug the programe and application in struts without using eclips

2 7151

HOW MUCH PERCENTAGE WE DEDUCT FOR OUR SUPPLIERS OR OTHER PROFESSIONALS

2045

After creating conntinpool in weblogic how to write the code in programe where i can use that pool object in the programe connecting to the database and how to debug programe withou eclipse

Wipro,

2 5631

What is a thin-client application?

Adobe,

5 33445

What is a J2EE component? List out all the component?

Adobe,

2 31674

What advantage does an entity bean have over a sessin bean?

Adobe,

3 32862

Why would you desing a J2EE application so user data is entered by way of a JSP page and managed by an underlying Java Beans class?

Adobe,

5 22759


Un-Answered Questions { Java J2EE }

Why stringbuffer is faster than string?

1038


What are database warnings in jdbc and how can we handle database warnings in jdbc?

997


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

2600


What are the different types of ioc container?

488


What is the purpose of xmlaccess configuration file export.xml & exportrelease.xml?

924


Explain what are the databases that are available to be used with the web logic j2ee connector architecture?

944


How can I programmatically get a password from a J2C alias configuration?

951


Does java initialize arrays to zero?

1030


Explain the scope of a variable.

1093


Does WebSphere Application Server support Microsoft NTLM?

912


How to reload a jframe in java swing?

1030


What is an application group and why would I want to use it ?

846


What is the static keyword?

1086


What is immutable state?

1021


What are the differences between mqinput node and input node ?

1031