Interview Questions and Answers for 'Virtusa' | Search Java Interview Question - javasearch.buggybread.com
Javasearch.buggybread.com
Share

Search Interview Questions


 2784 questions in repository.
 There are more than 200 unanswered questions.
Click here and help us by providing the answer.
 Have a video suggestion.
Click Correct / Improve and please let us know.
Label / Company      Label / Company / Text

   



Interview Questions and Answers for 'Virtusa' - 15 question(s) found - Order By Newest

 Q1. Which of the following combination of keywords is illegal in Java ?

a. static and transient
b. transient and final
c. static and synchronized
d. abstract and final
Core Java
Anonymous
Ans. abstract and final

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

   Like      Discuss      Correct / Improve     java   java keywords     VirtusaPolaris  IVTL InfoView Technologies      basic


Frequently asked question in companies using hibernate.
  Q2. Difference between first level and second level cache in hibernate ?Hibernate
Admin
info@buggybread.com
Ans. 1. First level cache is enabled by default whereas Second level cache needs to be enabled explicitly.

2. First level Cache came with Hibernate 1.0 whereas Second level cache came with Hibernate 3.0.

3. First level Cache is Session specific whereas Second level cache is shared by sessions that is why First level cache is considered local and second level cache is considered global.

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


   Like      Discuss      Correct / Improve     hibernate   orm   hibernate cache   architecture   technical lead     EFI  Geometric  QuinStreet  Cognizant (CTS)  ZS Associates  Walt Disney  Virtusa  JP Morgan  Awin  UrbanPro  Thomson Reuters  Azuga  HCL Technologies  Infosys  GoldenSource  Evoke Technologies  Intercontinental Exchange      Intermediate        frequent


Frequently asked. Favorite question in Walk in Drive of many Indian service companies.
  Q3. What are the methods of Object Class ?Core Java
Anonymous
Ans. clone() - Creates and returns a copy of this object.

equals() - Indicates whether some other object is "equal to" this one.

finalize() - Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.

getClass() - Returns the runtime class of an object.

hashCode() - Returns a hash code value for the object.

toString() - Returns a string representation of the object.

notify(), notifyAll(), and wait() - Play a part in synchronizing the activities of independently running threads in a program.

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

   Like      Discuss      Correct / Improve     java   oops   object class     Capgemini  NIIT Technologies   Virtusa  Goldman Sachs  PwC  Citi  Expeditors  SoftFluent  LinkedIn  Amadeus  Navteq  PLC Systems  Axtria Associate  Netcracker Technology  Altisource      basic        frequent

Try 1 Question(s) Test


Very Frequently asked. Have been asked in HCL Technologies very frequently ( based on 3 feedback ). Among first few questions in many interviews.
  Q4. Differences between abstract class and interface ?Core Java
Admin
info@buggybread.com
Ans. Abstract classes can have both abstract methods ( method declarations ) as well as concrete methods ( inherited to the derived classes ) whereas Interfaces can only have abstract methods ( method declarations ).

A class can extend single abstract class whereas it can implement multiple interfaces.

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


   Like      Discuss      Correct / Improve     java   classes   abstract class   interfaces     GlobalLogic  HCL Technologies  Tata Consultancy (TCS)  Infosys  Wipro  Mindtree  CapitalOne  Accenture  IBM India  Infoview Technologies  Salesforce  AT&T  United Health Group (UHG)  Verilogue  Amazon  Expeditors  Syntel  SalesForce  Cornerstone OnDemand  Expedia  OLA  NSF International  Copper Mobile  Think Future Technologies  MorphoTrust  Global Healthcare  Prodigious  Internet Brands  SciQuest  arvato Systems  iCIMS  Ideas2IT  virtusa polaris  Vitech Systems  Cognizant (CTS)  Speridian Technologies  Ojas Innovative Technologies  SWC Technology Partners  Cricbuzz  Jean Martin  Capgemini  Virtusa  ECI Telecom   Aptify   Crossover  ample softech  Metanoia software solutions  Overstock.com  Unic Sol India  Experis India  Intellect Design Arena  Sarathi Softech  Transorg Analytics  Cibersites India  Resource Weaver  Indium Software  Kone Elevator  Merkur Gaming  Prama Hikvision  Gurucul Solutions  e-Zest Solutions  ReadMind Info Services      basic        frequent


  Q5. 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.

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

   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      intermediate        frequent

Try 2 Question(s) Test


 Q6. Explain java.lang.OutOfMemoryError ?Core Java
Anonymous
Ans. This Error is thrown when the Java Virtual Machine cannot allocate an object because it is out of memory, and no more memory could be made available by the garbage collector.

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

   Like      Discuss      Correct / Improve     java   exceptions   jvm   outofmemoryerror     Virtusa


 Q7. What is Generalization and Specialization in terms of casting ?Core Java
Admin
info@buggybread.com
Ans. Generalization or UpCasting is a phenomenon where a sub class is prompted to a super class, and hence becomes more general. Generalization needs widening or up-casting. Specialization or DownCasting is a phenomenon where a super class is narrowed down to a sub class. Specialization needs narrowing or down-casting.

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

   Like      Discuss      Correct / Improve     java   data types   casting   up casting   downcasting   generalization   specialization     Tata Consultancy (TCS)  VirtusaPolaris


Frequently asked in CTS ( Based on 2 feedback )
  Q8. What is the difference between comparable and comparator in java.util pkg?Core Java
Admin
info@buggybread.com
Ans. Comparable interface is used for single sequence sorting i.e.sorting the objects based on single data member where as comparator interface is used to sort the object based on multiple data members.

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

   Like      Discuss      Correct / Improve     java   java.util   comparable   comparator   collections     Verilogue  Accenture  Varian Medical Systems  L&T Infotech  Oracle  eIntern  Happiest Minds Technologies  HCL Technologies  Cognizant (CTS)  Cerner  Coviam  EdgeVerve Systems  Virtusa Polaris  Trimax IT Infrastructure & Services  Xpanxion  Appy Pie  WealthFront  Varian Medical Systems  Bristlecone  Verilogue  Guavus  eClinicalWorks      basic        frequent


  Q9. What is the use of HashCode in objects ?Core Java
Admin
info@buggybread.com
Ans. Hashcode is used for bucketing in Hash implementations like HashMap, HashTable, HashSet etc.

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

   Like      Discuss      Correct / Improve     java   string   hashcode   hash code   string comparison  hashtable     Verilogue  Deutche bank  Kasmo Cloud Solutions   Collabera  Virtusa Consulting  CenturyLink  HCL Technologies  Tata Consultancy (TCS)  Accenture  Polaris  Amdocs  Cognizant (CTS)  IBM  nagarvision   Synechron  Global Logic      basic        frequent



Do you think these are the Best Java Frameworks ?

OpenXavaSPRING MVCApache StripesCheck everything
that is Best in Java

Click Here



Frequently asked in face to face interviews.
  Q10. Write a program to print fibonacci series.Core Java

Ans. int count = 15;
int[] fibonacci = new int[count];
fibonacci[0] = 0;
fibonacci[1] = 1;
for(int x=2; x < count; x++){
fibonacci[x] = fibonacci[x-1] + fibonacci[x-2];
}

for(int x=0; x< count; x++){
System.out.print(fibonacci[x] + " ");
}

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

   Like      Discuss      Correct / Improve     ebay   fibonacci series     Manvish eTech  Belvedere Trading  King UK  FinaTel  Goldman Sachs  Enlighten Software  Misys  Mahindra Comviva  ZapCom  Nucleus Software Exports  Enlighten  Sears  Mahindra Satyam  Insperity  General Motors  AVIS e Solutions  Paddy Power Betfair  TurningCloud  Polestar Solutions  BlueWhale Solutions  CitiusTech  Zuhlke  Comcast  KGFSL  Quickr  Paramatrix Technologies  CalSoft  Ancestry.com  OnMobile Global  NBCUniversal  Inventum Technologies  Hughes Systique  Flextronics  Geometric Soft  Check Point Software Technologies  ZapLabs  Indecomm Global Services  HTC Global  Quovantis Technologies  Mobiloitte  Riktam Technologies  DMX Technologies  Mojo Networks  Tata Elxsi  Ciena  ServiceNow  EverBridge  LendingClub  Virtusa Polaris  West Corporation  Ebay  Walmart  HomeAway  AllClear ID  Quinnox Software  Acquity Group  Cadence Design Systems  SmartPrix  Leidos  Zoho  Varian Medical Systems  HealthSparq  karya technology  Canopy Tax      basic        frequent


 Q11. Why can't we declare a class abstract as well as final ?Core Java

Ans. Abstract means that the class is only meant to be subclassed whereas final means that it cannot be subclassed so both concepts - abstract and final are actually mutually exclusive and hence not permitted together.

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

   Like      Discuss      Correct / Improve     abstract   final   java keywords     VirtusaPolaris


Frequently asked in high end product companies. Frequently asked in Deloitte.
  Q12. 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

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

   Like      Discuss      Correct / Improve     hashmap  collections  hashmap internal implementation     Veritas  Sophos  Salesforce  United Health Group (UHG)  Priceline.com  Roposo  virtusa polaris  Tata Consultancy (TCS)  Hexaware Technologies  Shiksha Infotech   Synechron  Anand Rathi  Virtusa   CenturyLink  Kasmo Cloud Solutions  Dark Horse  Deloitte      expert        frequent


Frequently asked in Accenture.
  Q13. What is your biggest achievement at work ?General2016-12-15 14:14:22

Ans. [Open Ended Answer]

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

   Like      Discuss      Correct / Improve     general question  non technical question     Accenture  AgileAssets  AmDocs  Minted LLC  Virtusa  Ericsson  Sabre  ARRIS  Royal Bank of Scotland (RBS)  Advisory Solutions   AdNovum  Deutsche Borse  Lenovo  AgileAssets  Zalando  Capital One  Volvo Information Technology  AmDocs  JP Morgan        frequent


 Q14. Write a Program to find number of lines , words and characters in a File.Core Java2018-02-08 13:14:12

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


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

   Like      Discuss      Correct / Improve     code  coding     Virtusa


 Q15. What is the use of load-on-startup ?Design2018-07-14 11:01:30

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


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

   Like      Discuss      Correct / Improve     load on startup   web application     Virtusa




Subscribe to Java News and Posts. Get latest updates and posts on Java from Buggybread.com
Enter your email address:
Delivered by FeedBurner



comments powered by Disqus
 

Help us and Others Improve. Please let us know the questions asked in any of your previous interview.

Any input from you will be highly appreciated and It will unlock the application for 10 more requests.

Company Name:
Questions Asked:
         

X Close this

X Close this

Help Us Improve.
Please share your
interview experience.

Company Name:   


Questions Asked: