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Interview Questions and Answers for 'R systems' - 4 question(s) found - Order By Newest

Very Frequently asked. Favorite question in walkins and telephonic interviews. Usually among first few questions. Asked in different variants. Must know for intermediate and expert professionals.Among Top 10 frequently asked questions.
  Q1. What is rule regarding overriding equals and hashCode method ?Core Java
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Ans. A Class must override the hashCode method if its overriding the equals method.

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   Like      Discuss      Correct / Improve     java   collections   hashcode  hash code   equals   collections     Cognizant (CTS)  CapitalOne  Tata Consultancy (TCS)  HCL Technologies  Deloitte  Wipro  Infosys  Sabre  Sophos   Tieto  Addteq  Priceline.com  Cisco Systems  Visa Inc  Vibrant Media  Audience Science  GT Nexus  OpenCrowd  Instinet  Kronos  Elsevier  IMC Financial  LG Mobile  Dun & Bradstreet  WBUT  codecentric  Satmetrix  Interactive Brokers  Roposo  SecureView  Azuga  Envestnet  Criteo  Skillz  MobileIron  Walmart  R Systems  Overstock.com  Verilogue  Goldstone Technologies  FatWire  LinkedIn  Southwest Airlines  Crossover for Work      intermediate        frequent

Try 1 Question(s) Test


 Q2. Give an Example for Builder Pattern ?Core Java
Admin
info@buggybread.com
Ans. String str = new StringBuilder().append("Buggy").append("Bread").toString();

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   Like      Discuss      Correct / Improve     java   builder pattern   design pattern   stringbuilder   string     Power System Consultants (PSC)  Xactly Corp  BetterCloud

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 Q3. Write a Program to print factorial of a number using recursionCore Java2017-01-29 17:47:20

Ans. public class BuggyBread {
public static void main(String args[]) {
System.out.println(factorial(5));
}

private static int factorial(int number){
if(number == 1){
return 1;
} else {
return number * factorial(number - 1);
}
}
}

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   Like      Discuss      Correct / Improve     recursion     PrimeFocus Technologies  Aavanor System  Mobicip  CMSS Private Limited  Intrepid Pursuits  Indus Valley Partners  Sunquest Information Systems  Linchpin  Riverbed Technology  Knoldus Software  Sopra Steria  Sunquest Information Systems  OpenBet  DMX Technologies  Whitesnow Software Consultancy  NextSphere  Clearwater Analytics  Obelisk Infosystems  iNautix Technologies  Andesa Services  NextSphere  MobileIron  Wolfram Research  Spillman Technologies


 Q4. How to Create Cron Job in Hybris e-commerce suiteHybris2018-03-06 12:31:09

 This question was recently asked at 'Patni Computer Systems,IGate'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve          Patni Computer Systems  IGate




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