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Interview Questions and Answers for 'Ariba' - 5 question(s) found - Order By Newest

  Q1. What is a String Pool ?Core Java
Anonymous
Ans. String pool (String intern pool) is a special storage area in Java heap. When a string is created and if the string already exists in the pool, the reference of the existing string will be returned, instead of creating a new object and returning its reference.

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   Like      Discuss      Correct / Improve     java   oops   string   string class   string pool   heap memory     SAS Institute  Ariba  GuideWire  Harbinger  Oracle  Virtusa  Knoa  Polaris  GuideWire  HCL Technologies  Tata Consultancy (TCS)  Infosys  Technologent  MphasiS  Harbinger Group  Kony  Evergent  NTT Data  VMware  Markit  Ariba  Tech Mahindra  Bureau Veritas  InfoStretch  PTC Software  Mindtree  Centre for Internet and Society (CIS)  Trimax IT Infrastructure & Services  City National Bank (CNB)      intermediate        frequent

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  Q2. What is Comparable Interface?Core Java
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Ans. It is used to sort collections and arrays of objects using the collections.sort() and java.utils. The objects of the class implementing the Comparable interface can be ordered.

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   Like      Discuss      Correct / Improve     java   collections   comparable interface     innoPath  Mobisoft Infotech  BNP Paribas  Nokia  Unicon  HERE Maps  Verilogue      intermediate        frequent

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 Q3. What is ConcurrentModificationException ?Core Java
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Ans. This is the exception that is thrown when we try to modify the non concurrent collection class while iterating through it.

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   Like      Discuss      Correct / Improve     java   collections   concurrentmodificationexception   exception  concurrency     Calypso Technology  Deloitte  IRIS Software  Java R&D  BNP Paribas  Booking.com  Aricent  ThoughtWorks  Prokarma  Cassiopae India  Prokarma India  Synechron India  Deloitte India  Royal Bank of India (RBS) India      intermediate


 Q4. What is a BlockingQueue?Data Structures
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Ans. BlockingQueue is a Queue that supports operations that wait for the queue to become non-empty when retrieving and removing an element, and wait for space to become available in the queue when adding an element.

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   Like      Discuss      Correct / Improve     blockingqueue   collections   java   concurrent collections     Computer sciences corporation (csc)  Patient Keeper  PatientKeeper  SAP Ariba  IHS Markit  SwissQuant  SnapDeal  Bally Technologies  JP Morgan  Mobileum


 Q5. Trim a string without using String library methodCore Java2017-01-11 15:44:10

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


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   Like      Discuss      Correct / Improve     code  coding.string  trim a string     Ariba




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