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Core java - Interview Questions and Answers for 'Bloomberg' - 2 question(s) found - Order By Newest

 Q1. Why Char array is preferred over String for storing password?Core Java
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Ans. String is immutable in java and stored in String pool. Once it's created it stays in the pool until unless garbage collected, so even though we are done with password it's available in memory for longer duration and there is no way to avoid it. It's a security risk because anyone having access to memory dump can find the password as clear text.

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   Like      Discuss      Correct / Improve     java   string class   string   immutable   string pool   garbage collection   advanced     General Motors  Amura Marketing Technologies  Bloomberg  Innovive      Expert


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Frequently asked in high end product companies.
 Q2. Write code for LRU CacheCore Java2017-01-10 10:15:17

 This question was recently asked at 'United Health Group (UHG),Google,Zenefits,Amazon,Microsoft,SurveyMonkey,LinkedIn,Sanpdeal,MarkMonitor,Bloomberg'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     cache  LRU cache  coding  code     United Health Group (UHG)  Google  Zenefits  Amazon  Microsoft  SurveyMonkey  LinkedIn  Sanpdeal  MarkMonitor  Bloomberg      intermediate


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