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Design - Interview Questions and Answers for 'Alibaba' - 2 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     Alibaba      expert


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 Q2. Design an online shopping site system ?Design2016-12-13 11:06:10

Ans. AWS Services - CloudFront for distribution / caching, EC2 for computing, EBS for block storage , S3 for object storage , RDS for database , Kinesis for streaming , CloudWatch for monitoring.

Technologies - Java for back end with Spring Boot , Angular , RxJs for front end .

Architecture - Service Oriented. Multi layer.

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   Like      Discuss      Correct / Improve          Alibaba


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