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Interview Questions and Answers for 'Bloomberg' - 14 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


 Q2. What is RMI ?
Anonymous
Ans. RMI stands for Remote Method Invocation. Traditional approaches to executing code on other machines across a network have been confusing as well as tedious and error-prone to implement. The nicest way to think about this problem is that some object happens to live on another machine, and that you can send a message to the remote object and get a result as if the object lived on your local machine. This simplification is exactly what Java Remote Method Invocation (RMI) allows you to do.

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   Like      Discuss      Correct / Improve     java   rmi   networking     Bloomberg  Agama


  Q3. Which Software Development methodology is being used in your current Job ?General
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Ans. We are using Agile methodology. I attend daily stand up where the development leads takes the status of assigned stories, achievements, any bottlenecks or challenges. We follow iteration of 2 weeks.

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   Like      Discuss      Correct / Improve     sdlc   agile methodology   software system analyst   software developer interview   development lead   project lead interview     Western Governors University  HCL Technologies  Tata Consultancy Services (TCS)  Infosys  Motorola Solutions  Spillman Technologies  One Click Retail  Bloomberg  Canopy Tax  Accenture  Ancestry  Overstock.com  Priceline        frequent


Frequently asked in high end product companies.
 Q4. 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


 Q5. What are the challenges you faced in any of your project ?General2018-05-25 08:18:36

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


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   Like      Discuss      Correct / Improve          Bloomberg


 Q6. How can you identify Performance issues before going to production ?General2018-05-25 08:19:59

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


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   Like      Discuss      Correct / Improve          Bloomberg


 Q7. Which data structure would you use to implement LRU cache and Why ? Can you tell me the time complexity for it ?Algorithm2018-05-25 08:40:21

Ans. We can use LinkedHashMap as it will give time complexity of O(1) for lookup and We can maintain the insertion order to identify the Last used elements for eviction.

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   Like      Discuss      Correct / Improve     LRU Cache     Bloomberg


 Q8. Design a Program to clone an object and all it's children.
Design2018-06-13 07:42:57

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


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   Like      Discuss      Correct / Improve     code  coding  cloning  design pattern   cloning design pattern     Bloomberg


 Q9. Tell something about Dependency Injection and it's drawbacks. In which situation, you may not like to use dependency injection ?Design2018-06-13 08:06:24

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


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   Like      Discuss      Correct / Improve          Bloomberg



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 Q10. Given a String with letters , numbers and special characters , extract Tokens from it. The rules for Token extraction are ac follows

1. Should for token of all characters till a number or special character is found
2. Should form token of all numbers till a character or special character is found
3. Special character in itself is a token
4. Ignore white spaces

For example - Bob Said "He is here"

should result in

Bob A
Said A
" S
He A
is A
here A
" S

where a is specifying alphabet and S as special character
Design2018-06-19 08:05:12

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


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   Like      Discuss      Correct / Improve     code  coding  string     Bloomberg


 Q11. Design a Whats app like messaging application. architecture2018-06-19 08:05:41

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


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   Like      Discuss      Correct / Improve          Bloomberg


 Q12. What are the disadvantages of Design Patterns ?Design Pattern2018-06-20 12:20:03

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


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   Like      Discuss      Correct / Improve          Bloomberg


 Q13. What is immutability and What are it's disadvantages ?Design2018-06-20 12:20:19

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


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   Like      Discuss      Correct / Improve     immutable objects   immutability     Bloomberg


 Q14. Can you explain any of your project bug for which you had to struggle a lot ?General2018-06-20 12:20:39

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


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   Like      Discuss      Correct / Improve          Bloomberg




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