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General - Interview Questions and Answers for 'Ola' - 8 question(s) found - Order By Newest

 Q1. What is Generalization and Specialization in terms of casting ?Core Java
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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.

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


  Q2. Which Software Development methodology is being used in your current Job ?General
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info@buggybread.com
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 face to face interviews.
  Q3. 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] + " ");
}

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   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


Usually asked to entry level software developers.
  Q4. Write a program to swap two variables without using thirdCore Java2017-01-19 15:38:34

Ans. public static void main(String[] args) {
   int num1 = 1;   
   int num2 = 2;
   num1 = num1^num2;
   num2 = num1^num2;
   num1 = num1^num2;
   System.out.print("num1 = " + num1 +", num2 = "+num2);
}

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   Like      Discuss      Correct / Improve     code  coding     Deloitte  Colgate Palmolive  Tech Mahindra  SAP  Broadcom  Tata Consultancy (TCS)  Wipro  Gemalto  Time op  Nse Tech  Client Network Services  Monte Carlo  BrainMobi Technologies  Nokia  Minted LLC  Societe Generale  MetricStream  Sapient Global  HighRadius  Mindtree  Robert Bosch  Cypress Semiconductor  Tesco  NTT Data  Tejora Technologies  Saggezza  Elegant Microweb  AMD  Advanced Micro Devices  Tricon Infotech  Odessa Technologies  Aditi  Max Secure Software India  NetSuite  Volante Technologies  Subex Limited  Plintron Global Technology Solutions      basic        frequent


 Q5. What is abstraction ?2017-10-13 09:23:38

Ans. Abstraction is a process of hiding the implementation details and describing only the functionality to the user.

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   Like      Discuss      Correct / Improve          Tata Consultancy (TCS)  HCL Technologies  Infosys  Deegit  Barclays  General Electric (GE)  Capgemini  Accenture  Polaris  IBM  eGov Jamaica  Skillnet Solutions  Mastek  Avvo  Computer Science Corporation (CSC)  Revature  Erricson  Allianz  Fidelity Information Services (FIS)


 Q6. What is your role in current project ?General2018-05-03 06:18:38

Ans. Possible Answer - Java Developer

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   Like      Discuss      Correct / Improve          Accela  Flatiron  Hcl Technologies  Infosys Technologies  Motorola Solutions


 Q7. Why do you want to leave your current job ?General2018-05-11 07:39:41

 This question was recently asked at 'HCl Technologies, Tata Consultancy (TCS),One Click Retail,Motorola Solutions,Accela,Elsevier,Coupang,Mahindra Satyam,GlobalLogic,One Click Retail,Accenture,Infosys Technologies,Western Governors University (WGU),vivint smart home,Spillman Technologies,Lexis Nexis,Sprint,Cumulus Systems,Mastercard,Priceline'.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          HCl Technologies   Tata Consultancy (TCS)  One Click Retail  Motorola Solutions  Accela  Elsevier  Coupang  Mahindra Satyam  GlobalLogic  One Click Retail  Accenture  Infosys Technologies  Western Governors University (WGU)  vivint smart home  Spillman Technologies  Lexis Nexis  Sprint  Cumulus Systems  Mastercard  Priceline


 Q8. The use of volatile keyword facilitates ..Core Java
a. Making Use of Cache for better Performance
b. Avoiding use of Cache
c. Making use of Backward as well as Forward Cache
d. Keeping only one copy of variable in Cache

Ans.b. Avoiding use of Cache



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