JAVA/J2EE Interview Questions You'll Most Likely Be Asked

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JAVA /J2EE Interview Questions You'll Most Likely Be Asked is a perfect companion to stand ahead above the rest in today’s competitive job market. Rather than going through comprehensive, textbook-sized reference guides, this book includes only the information required immediately for job search to build an IT career. This book puts the interviewee in the driver's seat and helps them steer their way to impress the interviewer.
 
Table of contents
1. Architectures and Protocols
2. Applicability and Best Practices
3. Servlets
4. JSP
5. EJB
6. Internationalization and Localization
7. Design Patterns
8. Messaging
9. Security and Legacy Connectivity
HR Questions
INDEX
 
Includes:
a) 280 Java J2EE Interview Questions, Answers and proven strategies for getting hired as an IT professional
b) Dozens of examples to respond to interview questions
c) 75 HR Questions with Answers and proven strategies to give specific, impressive, answers that help nail the interviews
d) 2 Aptitude Tests download available on www.vibrantpublishers.com
 
Bisac
COM051280  
COM051260   
COM051210   
 
Sample from the book
(Below Questions and Answers are randomly taken from different pages of the book)
 
5: What is the difference between a component and a service?
Answer:
A J2EE component is a smaller unit of application software used for a particular purpose. Applets, Servlets, Session beans, Entity beans WAR, JAR and resource adapters are all different components of J2EE. A Service is in J2EE can be considered as the next level to distributed component. It is a component that can be used remotely synchronously or asynchronously. This includes components such as the RPC, Messaging system, Sockets and web services. A service should have a well-defined service contract, is independent and self-contained.
 
88: What are the advantages of Cookies?
Answer:
The following are the advantages of cookies:
a) The visitor has to login once and for other subsequent visits, the visitor does not require to login again
b) Identifies the particular user and display the items that were added in the cart
c) Tracks users’ interest and displays respective advertisements
d) Reduces the server load
e) Provides faster response to the visitor
 
197: What are the subclasses of Format class?
Answer:
The class java.text.Format has three subclasses. They are:
a) java.text.NumberFormat: It is used to format currencies and numbers
b) java.text.DateFormat: It is used to format time and date
c) java.text.MessageFormat: It is used to format text messages
 
271: Explain EIS adapter.
Answer:
Enterprise Information System has an adapter which provides API (Application programming Interface) for processing and accessing data and EIS functions. The client uses the API programmatically to connect and access EIS.
The key to Enterprise Information System adapter is reusability. Independent vendors develop adapters using programming language that has high degree of usability and reusability.
 
Tags
Architectures and Protocols, Applicability and Best Practices, Servlets, JSP, EJB, Internationalization and Localization, Design Patterns, Messaging, Security and Legacy Connectivity, vibrant publishers.