Java-J2EE Job Interview Companion.pdf

Learn Java/J2EE core concepts and key areas

With

Java/J2EE Job Interview Companion

K.Arulkumaran

A.Sivayini

Technical Reviewers

Craig Malone

Stuart Watson

Arulazi Dhesiaseelan

Lara D’Albreo

Cover Design, Layout, & Editing

A.Sivayini

Acknowledgements

A. Sivayini

Mr. & Mrs. R. Kumaraswamipillai

Java/J2EE

Job Interview Companion

Copy Right 2005-2007 ISBN 978-1-4116-6824-9

The author has made every effort in the preparation of this book to ensure the accuracy of the information. However,

information in this book is sold without warranty either expressed or implied. The author will not be held liable for any

damages caused or alleged to be caused either directly or indirectly by this book.

Please e-mail feedback & corrections (technical, grammatical and/or spelling) to

java-interview@hotmail.com

First Edition (220+ Q&A): Dec 2005

Second Edition (400+ Q&A): March 2007

Outline

SECTION

DESCRIPTION

What this book will do for you?

Motivation for this book

Key Areas index

SECTION 1 Interview questions and answers on:

Java

Fundamentals

Swing

Applet

Performance and Memory issues

Personal and Behavioral/Situational

Behaving right in an interview

Key Points

SECTION 2 Interview questions and answers on:

Enterprise Java

J2EE Overview

Servlet

JSP

JDBC / JTA

JNDI / LDAP

RMI

EJB

JMS

XML

SQL, Database, and O/R mapping

RUP & UML

Struts

Web and Application servers.

Best practices and performance considerations.

Testing and deployment.

Personal and Behavioral/Situational

Key Points

SECTION 3 Putting it all together section.

How would you go about…?

1. How would you go about documenting your Java/J2EE application?

2. How would you go about designing a Java/J2EE application?

3. How would you go about identifying performance problems and/or memory leaks in your Java

application?

4. How would you go about minimizing memory leaks in your Java/J2EE application?

5. How would you go about improving performance of your Java/J2EE application?

6. How would you go about identifying any potential thread-safety issues in your Java/J2EE

application?

7. How would you go about identifying any potential transactional issues in your Java/J2EE

application?

8. How would you go about applying the Object Oriented (OO) design concepts in your Java/J2EE

application?

9. How would you go about applying the UML diagrams in your Java/J2EE project?

10. How would you go about describing the software development processes you are familiar with?

11. How would you go about applying the design patterns in your Java/J2EE application?

12. How would you go about designing a Web application where the business tier is on a separate

machine from the presentation tier. The business tier should talk to 2 different databases and your

design should point out the different design patterns?

13. How would you go about determining the enterprise security requirements for your Java/J2EE

application?

14. How would you go about describing the open source projects like JUnit (unit testing), Ant (build

tool), CVS (version control system) and log4J (logging tool) which are integral part of most

Java/J2EE projects?

15. How would you go about describing S ervice O riented A rchitecture ( SOA ) and Web services?

SECTION 4 Emerging Technologies/Frameworks

Test Driven Development ( TDD ).

Aspect Oriented Programming ( AOP ).

Inversion of Control ( IoC ) (Also known as Dependency Injection ).

Annotations or attributes based programming (xdoclet etc).

Spring framework.

Hibernate framework.

EJB 3.0.

JavaServer Faces ( JSF ) framework.

SECTION 5 Sample interview questions …

Java

Web Components

Enterprise

Design

General

GLOSSARY OF TERMS

RESOURCES

INDEX

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