MCA V Semester Examinations, August - 2017
DESIGN PATTERNS
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Time: 3 Hours
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Max. Marks: 60
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Note: This question paper contains two parts A and B.
Part A is compulsory which carries 20 marks. Answer all questions in Part A. Part B
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consists of 5 Units. Answer any one full question from each unit. Each question carries8 marks and may have a, b, c as sub questions.
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PART - A--- Content provided by FirstRanker.com ---
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5 ? 4 Marks = 201.a)
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What is meant by a design pattern? Discuss the significance.
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[4]
b)
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Write brief notes on abstract factory pattern.
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[4]
c)
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Discuss about implementation of composite pattern.--- Content provided by FirstRanker.com ---
[4]
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d)Discuss the usage of chain of responsibility pattern.
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[4]e)
Explain the uses of visitor pattern.
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[4]
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PART - B--- Content provided by FirstRanker.com ---
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5 ? 8 Marks = 402.
Discribe how the design patterns solve design problems.
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[8]
OR
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3.
Discuss about design patterns in small talk MVC.
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[8]
4.
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Compare the factory method and prototype design patterns.
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[8]
OR
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5.
Explain the structure, implementation and source code for the singleton patterns. [8]
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6.
Explain the usage of fa?ade pattern with a suitable example.
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[8]
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OR
7.
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Explain the structure and implementation of decorator and proxy patterns.[8]
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8.Compare the usage of Interpreter and Iterator patterns.
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[8]OR
9.
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Write the source code for mediator pattern. And explain its usage with a suitable example.
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[8]
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10.Write the implementation and source code for state and strategy patterns.
[8]
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11.
What we can expect from design patterns? Discuss about the history of design patterns.
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[8]--ooOoo--