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

  Q1. What is the use of HashCode in objects ?Core Java
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Ans. Hashcode is used for bucketing in Hash implementations like HashMap, HashTable, HashSet etc.

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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
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Ans. http://www.buggybread.com/2014/03/java-design-pattern-singleton-interview.html

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Frequently asked in high end product companies. Frequently asked in Deloitte.
  Q3. How is Hashmap internally implemented in Java ?Core Java2016-12-06 08:49:37

Ans. https://www.quora.com/How-is-Hashmap-in-Java-implemented-internally-What-are-the-pros-and-cons-to-use-it-What-are-the-complexities-it-provides-for-insert-delete-and-lookup/answer/Anshudeep-Bajpai?srid=iwnK

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 Q4. Can you tell us a use case of reflection in java that you have applied ?Design2019-05-28 14:20:18

 This question was recently asked at 'CenturyLink'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     reflection     CenturyLink




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