Download JNTUA MCA 2015 June-July Supply 5th Sem 9F00505c Design Patterns Question Paper

Download JNTU Anantapur (JNTU Anantapur) Master of Computer Applications (MCA) 2015 June-July May Supply 5th Sem 9F00505c Design Patterns Previous Question Paper

Code: 9F00505c
MCA V Semester Supplementary Examinations July 2015
DESIGN PATTERNS
(For students admitted in 2009, 2010, 2011 and 2012 only)

Time: 3 hours Max Marks: 60
Answer any FIVE questions
All questions carry equal marks
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1 (a) Give brief description about the areas where the design patterns are applied.
(b) Explain about how the user interfaces are created in Smalltalk.

2 Explain in detail about the various user operations that are to be performed on Lexi.

3 (a) List and explain the key features of creational patterns.
(b) What is the motivation for builder pattern? Explain it in detail.

4 (a) List and explain the various issues that should be considered while designing the adapter pattern.
(b) Write a short note on bridge pattern.

5 (a) Give brief description about the applicability, structure and participants of decorator pattern.
(b) Write a sample code for the fa?ade on compiler subsystem.

6 (a) Which pattern is used to express the instances of the problem as sentences in simple language?
Explain.
(b) Explain the structure, participants and collaborations of a command pattern.

7 What is the motivation for mediator behavioral pattern? Explain in detail.

8 (a) Give brief description about the visitor pattern.
(b) Write short notes on decoupling sender and receivers.
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