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Java Concurrency in Practice


   




General - Interview Questions and Answers for 'Concur' - 3 question(s) found - Order By Newest

Almost sure to be asked in every company using any Dependency Injection framework ( Spring, Guice etc )
  Q1. What is Dependency Injection or IOC ( Inversion of Control ) ?Design

Ans. It is a Design Pattern that facilitates loose coupling by sending the dependency information ( object references of dependent object ) while building the state of the object. Objects are designed in a manner where they receive instances of the objects from other pieces of code, instead of constructing them internally and hence provide better flexibility.

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   Like      Discuss      Correct / Improve     design patterns   ioc ( Inversion of Control )  dependency injection     Nucleus Software Exports  HCL Technologies  Tata Consultancy (TCS)  HCL  Infosys  Cognizant (CTS)  Barclays  General Electric  Infosys Technologies  Elsevier  Sabre  ZapCom  Nike  Sogeti  CSG International  Lowes  DWS  Mitsui Bussan Logistics  Payment Processing Partners  Liquidnet  AmTrust Financial  VectorForm  Cybage  Vanderbilt University  Cigniti  Accenture  Ball Aerospace  GE Healthcare  1-800 Contacts  VinSolutions  Arrow Electronics  Monitise  Avenue Code  Thetus Corporation  Shodogg  Levi9  BuildLinks  Suyati Technologies  Kanerika Software  Alliance Inspection Management  Promega  Victorious  Zoll Data Systems  Parkmobile  PerceptiMed  Crate and Barrel  Carbonite  Concur  Codazen  GlobalLogic  AccuSoft  Attinad  Tillster  AppRiver  TrustPilot  Pearson  Kony  Art Technology Group  VeriSign  Accion Labs  IGS Energy  National Bankruptcy Services  RealPage  Green Dot  Indecomm Global  bebo Technologies  Open Solutions  Xoriant  NCR  Macmillan Cancer Support  NetSuite  Asynchrony Labs  DealDash  Vizio  Fiserv  Federal Reserve Bank of Minneapolis  Tinder  FICO  Trustwave      intermediate        frequent


Related Questions

  Name few Dependency Injection frameworks ?
 What are different types of dependency injections ?
  What are the various Auto Wiring types in Spring ?
  What is the difference betweeen @Inject and @Autowired ?
 Which of the following Java features facilitates Dependency Injection - Inheritance or Composition ?
 What are the different ways in which dependency injection can be done using Spring Framework ?
 Difference between constructor and setter injection ?
 What are the benefits of Dependency Injection or IOC ?
 Which of the OOP's features facilitate dependency injection ?


 Q2. What is a ConcurrentHashMap ?Core Java
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Ans. ConcurrentHashMap is a hashMap that allows concurrent modifications from multiple threads as there can be multiple locks on the same hashmap.

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   Like      Discuss      Correct / Improve     java   collections   hashmap   map   concurrenthashmap   concurrenthashmap  concurrency   general electric   ge     Cognizant (CTS)  Synechron  General Electric  MakeMyTrip.com  Nomura Securities  Xpanxion  Royal Bank of Scotland (RBS)  ProKarma  Talentica  Citi  EdgeVerve Systems  Six Dee Telecom  ReqRoute  Qumulo  Goldman Sachs  HSBC Holdings  AlertMe.com  BlackRock  Helpchat  Bally Technologies  Hubzu  Xpanxion  Coromandel Infotech  Paytm  YuMe  InfoGain  Markit  Wells Fargo  Geometric  Acloudzyn Technologies  Roposo  Nagarvision        rare


Related Questions

  What is ConcurrentLinkedDeque ?
  What is CopyOnWriteArrayList ?
  What are the advantages and disadvantages of CopyOnWriteArrayList ?
  Name few Concurrent Collection Classes ?
  What is ConcurrentModificationException ?
  What is a BlockingQueue?
 Difference between concurrentHashMap and HashTable ?
 isnt the use of HashTable and ConcurrentHashMap the same, i.e providing synchronized map collection ?
 What is the use of java.util.concurrent package in Java ?


  Q3. Explain the challenging problems you faced recently and how you overcame it ?General

Ans. [Open Ended Answer]

 Help us improve. Please let us know the company, where you were asked this question :   

   Like      Discuss      Correct / Improve     elsevier   open ended questions   overstock.com   cerner     Overstock.com  Elsevier  Infoview Technologies  Syntel  Hexaware  Yahoo  Nationwide  GE Transportation  Concur  MH Alshaya  Infosys  Capital One  HCL Technologies  Ann Arbor  PowerAdvocate        frequent


Related Questions

  Describe, in general, how java's garbage collector works ?
  What is Generalization and Specialization in terms of casting ?
  What is a ConcurrentHashMap ?
  What the Bean scopes provided by Spring ?
  What are the various Auto Wiring types in Spring ?
  When should we use prototype scope and singleton scope for beans ?
 Which java frameworks have you used ?
 When do we generally get this database error - integrity constraint violated - parent key not found ?
 Write a program for Coin Changer application ?
 When do we generally get the database error - Unique Constraint Violated ?




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