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Design - Interview Questions and Answers for 'Avis' - 4 question(s) found - Order By Newest

 Q1. Difference between Factory and Strategy Design Pattern ?Design
Anonymous
Ans. Factory is a creational design pattern whereas Strategy is behavioral design pattern. Factory revolves around the creation of object at runtime whereas Strategy or Policy revolves around the decision at runtime.

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   Like         Discuss         Correct / Improve     java   design pattern   factory   strategy   creational design pattern   behavioral design pattern     Asked in 1 Companies      expert


Very frequently asked. Usually followed by questions related to private constructor and synchronized access. Frequently asked in JPMorgan and TCS (Based on 2 feedback)
  Q2. Explain Singleton Design Pattern ?Design
Admin
info@buggybread.com
Ans. http://www.buggybread.com/2014/03/java-design-pattern-singleton-interview.html

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   Like         Discuss         Correct / Improve     java   design pattern   singleton   at&t   ebay  fidelity india  united healthcare india     Asked in 46 Companies      intermediate        frequent


Frequently asked in face to face interviews.
  Q3. Write a program to print fibonacci series.Core Java

Ans. int count = 15;
int[] fibonacci = new int[count];
fibonacci[0] = 0;
fibonacci[1] = 1;
for(int x=2; x < count; x++){
fibonacci[x] = fibonacci[x-1] + fibonacci[x-2];
}

for(int x=0; x< count; x++){
System.out.print(fibonacci[x] + " ");
}

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   Like         Discuss         Correct / Improve     ebay   fibonacci series     Asked in 65 Companies      basic        frequent


 Q4. Name few Behavioral Design Patterns ?Design2017-02-12 16:07:59

Ans. Interpreter,Chain of Responsibility,Command,Iterator,Observer,Mediator,Memento

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   Like         Discuss         Correct / Improve     Behavioral Design Patterns      Intermediate




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