Jawaharlal Nehru Technological University Kakinada 2010-2nd Sem M.Tech Computer Science & Engg. - Information Security Supplementary s Design Patterns (CSE-Information Technology) - Ques

Subject Code: B4004
M.Tech II Semester Supplementary exams June 2010
Design trends
(CSE-Information Technology)
Time: three Hours Max Marks: 60
ans any 5 ques. All ques. carry EQUAL marks
1. a). What is a Design Pattern? Briefly define the describing of design trends and
catalogue of design trends.
b). define "How to choose a design pattern".
2. a). With a case study, define the structure of a Document.
b). With an example, define Embellishing the user interface.
3. What is Abstract Factory? What is the purpose of Abstract Factory? With example,
define in detail about Abstract Factory.
4. What is Structural Pattern? With an example, briefly define Bridge, Composite and
Decorator.
5. "Façade trend hides the complexities of system from the client and provides a simpler
interface", with sample code, justify the statement.
6. a). What is Behavioral pattern? What is principle of decoupling? With a simple example,
briefly define chain of responsibility.
b). Briefly define Command and Interpreter trends.
7. With code, define in detail about Mediator, Momento and Observer trends.
8. a). What is Flyweight pattern? What is the advantage of flyweight pattern?
b). Briefly define about template trend and visitor trend.

Earning:   Approval pending.