Jawaharlal Nehru Technological University Anantapur 2009-2nd Sem B.Tech Information Technology Code No: R5421206 Set:3 IV ester(R05) Regular s, il/ DESIGN PATTERNS - Question Paper

Code No: R5421206 Set:3
IV B.Tech. II Semester(R05) Regular Examinations, April/May 2009
DESIGN trends
(Common for info Technology, Computer Science & Systems Engineering)
Time: three hours Max Marks: 80
ans any 5 ques.
All ques. carry equal marks
1. (a) define organizing the catalog of design trends.
(b) elaborate the essential elements of design pattern? discuss how to choose a design trend.
2. (a) explain about supporting multiple look and feel standards in Lexis design.
(b) discuss document structure in detail.
3. (a) define Abstract factory design trend.
(b) What is singleton? discuss it in detail.
4. define Adapter design trend.
5. (a) discuss the implementation problems of proxy design trend.
(b) discuss the motivation of °y weight design trend.
6. define Interpreter design trend in detail.
7. (a) discuss the consequences of observer design trend.
(b) explain the motivation of mediator design trend.
8. Write short notes on:
(a) trend community.
(b) Refactoring.

Earning:   Approval pending.