Archive for the ‘Interview questions’ Category

Struts Interview questions – 2

January 7th, 2011 1 comment

Wow another Struts interview test ! I am sure you would have enjoyed the last Struts interview questions test.

Here another tests on struts  to test your concepts and get you ready for the next job interview

Struts interview questions 2

These are the test which have questions designed to test your concepts as well as practical skills. for eg questions like

You have 3 List objects in Action class attributes  colorList
[“Red”, “Yellow”, “Green”]
codeList [“R”, “Y”, “G”] statusList [“Failed”, “Severe”, “Good”]
What will be the output of the following code?
<s:merge var=”myMergedIterator”>      <s:param value=”%{colorList}” />
<s:param value=”%{codeList}” />      <s:param value=”%{statusList}” />
</s:merge> <s:iterator value=”%{#myMergedIterator}”>
<s:property /> </s:iterator>
another question
You are asked to change the current feature of displaying the report
result in HTML table to a downloadable Excel format with a default file name as “Y2008.xls”.
Which of the following is correct way to implement the same?

These kinds of questions on struts framework cannot be answered by a person who has not worked with Struts.  So take the test and give us your feedback.

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Hibernate interview questions

December 12th, 2010 3 comments

Hibernate is one of the most popular ORM frameworks.

A new test on hibernate hibernate interview questions , has been added at Skill-Guru. This test has questions on code level to challenge your knowledge and to test how deeply you understand hibernate. The problems outlined in this test are the ones which you would have encountered in day to day working with hibernate.

Some of the Questions in this test are

The second level caching has been enabled in hibernate but the tests show that the select queries still hit the database. What could be wrong here ?

Which of the following is true for composite primary keys   in hibernate?

What is true for session.flush() in hiberante ?

I have a table which does not define any primary key. How can this table be mapped in hibernate

In which of the scenarios outlined below , can session.merge() can be used ?

What is the first level caching in hibernate ?

Skill-guru has some very good tests on hibernate

Hibernate Essentials

Hibernate interview questions 1

Hibernate interview questions 2

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EJB 3 Interview questions

December 12th, 2010 No comments

Enterprise JavaBeans (EJB) technology is the server-side component architecture for Java Platform, Enterprise Edition (Java EE).

EJB 3 specification defines the new simplified EJB API targeted at ease of development. It also includes the new Java Persistence framework, JPA

This EJB  Interview questions test will help you prepare for interviews

You can also check out this post

Difference between Spring’s Transaction management and EJB’s Container managed transaction

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Core Java Interview Questions

December 11th, 2010 3 comments

Java is one of the most popular  programming languages as of now and even with introduction of hibernate , Spring, employers do expect you to be aware of core java concepts.

Here is  Core Java Interview questions to test your knowledge.

Some of the questions like

What is WeakHasmap

Jdk1.5 has introduced class data sharing which reduces the start up time for java applications and to reduce the memory footprint, True or false

What characteristics of garbage collection have changed in jdk 5.0

you will definitely find interesting.

Some other Java interview questions and Java interview quiz on skill-Guru are

Java interview questions

Java interview questions 1

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JSP Interview Questions

December 10th, 2010 1 comment

JavaServer Pages (JSP) technology provides a simplified, fast way to create dynamic web content. JSP is still one of the most popular web technologies.

Java Servlet technology provides Web developers with a simple, consistent mechanism for extending the functionality of a Web server and for accessing existing business systems.

Together JSP and servlets are an integral component of any web application .

This is free JSP and Servlet interview question test to check your knowledge and help you prepare for interview.

This another Servlet and JSP Interview questions test and also has question on JSTL (JavaServer Pages Standard Tag Library)

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Struts Interview questions – 1

November 21st, 2010 No comments

Apache Struts had been on eof the most popular open source frameworks in early 2000.  It is still very widely used and has seen some major enhancements with Struts 2. Here we have 2 new tests on struts  to test your concepts and get you ready for the next hot shot job.

Struts interview questions 1

These are the test which have questions designed to test your concepts as well as practical skills. for eg questions like

You have created a action class called TakeTestAction to dispatch to takeTest.jsp and have configured in struts.xml. The class has only one method named perform() and does not have execute() method.

Which of the following is true?

Another one

You have written a Action class with multiple methods create(), update() and delete().  But, you are asked to configure 3 distinct actions in struts.xml. Which of the following is the best way to implement?

These kinds of questions on struts framework cannot be answered by a person who has not worked with Struts. So this tests will test your knowledge and skills.

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JSF Interview questions

November 18th, 2010 No comments

Another set of JSF Interview questions at Skill-Guru . Tests your knowledge of JSF concepts.

Our earlier JSF Interview questions had received a very good response. Hop you will like this one too.

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Java Interview questions

November 18th, 2010 1 comment

Java is the most popular programming language and even with onset of all new languages like Ruby, Scala, the popularity of java has only grown . Java/J2EE is the preferred enterprise solution for the business user.

So when it comes to number of jobs, no doubt java has the most most jobs. But you should also be prepared when going for interview and here is a series of tests and quiz to help you prepare for Java inerview

A free quiz to test your knowledge of core java and collections

Take java Interview questions.

This test would test you on your basic concepts of java like

What is result Set ? (A class or interface)

When I say this “is the inclusion of behavior (i.e. methods) and state (i.e. variables) of a base class in a derived class so that they are accessible in that derived class”, what I am talking about  ?

How many JVM could be run on an operating system ?

Another Java Interview questions test. This test covers more on hands on programming  and inner classes

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