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

Very frequently asked. Among first few questions in almost all interviews. Among Top 5 frequently asked questions. Frequently asked in Indian service companies (HCL,TCS,Infosys,Capgemini etc based on multiple feedback )
  Q1. Difference between == and .equals() ?Core Java
Anonymous
Ans. "equals" is the method of object class which is supposed to be overridden to check object equality, whereas "==" operator evaluate to see if the object handlers on the left and right are pointing to the same object in memory.

x.equals(y) means the references x and y are holding objects that are equal. x==y means that the references x and y have same object.

Sample code:

String x = new String("str");
String y = new String("str");

System.out.println(x == y); // prints false
System.out.println(x.equals(y)); // prints true

  Sample Code for equals

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   Like      Discuss      Correct / Improve     java   string comparison   string   object class   ==    equals   object equality     Ebay  Cerner  GuideWire  Expeditors Associate  Revature  SAIC  ValueLabs  Realty Redefined  Bank Of America  Capgemini  HCL Technologies  Goldman Sachs  Symmetric Corp  Backstop Solutions  Frontier  IQOR   Science  Vanguard  eClinicalWorks  Experticity  Blue Cross and Blue Shield of Kansas  ComTrade  Banja Luka  Overstock.com  Intrasoft International  IBM  Apex Systems  infoview technologies  Ebix  Cumulus Systems  Nakisa  United HealthGroup (UHG)  Sopra Steria  TrueCaller  Mphasis      basic        frequent

Try 6 Question(s) Test


Related Questions

 What is the difference between = and == in Java ?
 How is == operator different for objects and primitive types ?
 What will be the output of following code

Integer x = 1;
Integer y = 2;
System.out.println(x == y);

What if you change 1 to "1" and Integer to String?


  Q2. Difference between Array and ArrayList ?Core Java2016-12-15 14:13:12

Ans. <a href="http://javahungry.blogspot.com/2015/03/difference-between-array-and-arraylist-in-java-example.html" rel="nofollow">http://javahungry.blogspot.com/2015/03/difference-between-array-and-arraylist-in-java-example.html</a>

  Sample Code for ArrayList

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   Like      Discuss      Correct / Improve     array  arraylist     Accenture  Capgemini  HCL Technologies  Infosys  Tata Consultancy (TCS)  Revature  Siemens  Mindtree  Sopra Steria      basic        frequent


Related Questions

 If you are given a choice to use either ArrayList and LinkedList, Which one would you use and Why ?
  What is the difference between ArrayList and LinkedList ?
  Why Char array is preferred over String for storing password?
 Which of the following is false about main method ?

a. It should be declared public and static
b. it should have only 1 argument of type String array
c. We can override main method
d. We can overload main method
  Difference between Vector and ArrayList ?
  What are the disadvantages of using arrays ?
  What are the Disadvantages of using Collection Classes over Arrays ?
  Will this code give error if i try to add two heterogeneous elements in the arraylist. ? and Why ?
  Difference between ArrayList and LinkedList ?
  Which of the following exception is thrown when we try to access element which is beyond the size ?


 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


Related Questions

 What will happen if we don't have termination statement in recursion ?
 Write an Algorithm for Graph Traversal ? The Graph has a loop.
 Write a program to print sum of numbers between the start and end number

For example - Passing start number as 2 and end number as 10, it should print 2+3+4+5+6+7+8+9+10 = 54
 Write a program using Recursion to print multiplication of numbers between the start and end number

For example - Passing start number as 2 and end number as 10, it should print 2*3*4*5*6*7*8*9*10 = 3628800
 What is recursion in Java ?
 What will happen if we don't have termination statement in recursion ?
 Which of the two - iteration or recursion - is slower ?
 Write a Program to print fibonacci series using recursion.
 Do you think that Recursion is expensive on computation ?




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