Interview Questions and Answers for 'Groupon' | Search Interview Question - javasearch.buggybread.com
Javasearch.buggybread.com

Search Interview Questions


 More than 3000 questions in repository.
 There are more than 900 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 'Groupon' - 2 question(s) found - Order By Newest

  Q1. Write a method to check if input String is Palindrome?Core Java
Ans. private static boolean isPalindrome(String str) {

if (str == null)
return false;

StringBuilder strBuilder = new StringBuilder(str);

strBuilder.reverse();

return strBuilder.toString().equals(str);

}

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

   Like         Discuss         Correct / Improve     java   string   stringbuilder   stringbuilder   string class   code   palindrome     Asked in 38 Companies      Basic        frequent


Related Questions

  Which keyword is used to provide explicit access of a code block to single thread ?

a. Transient
b. Final
c. Explicit
d. Synchronized
  How does volatile affect code optimization by compiler?
  Will this code give error if i try to add two heterogeneous elements in the arraylist. ? and Why ?
 What is the difference between the following two code lines ?

1. new OuterClass().new InnerClass();

2. new OuterClass.InnerClass();
  Which String class does not override the equals() and hashCode() methods, inheriting them directly from class Object?
 If arrays cannot be resized , Why is this code valid

String[] strArray = new String[2];
strArray = new String[5];
  Will the static block be executed in the following code ? Why ?
  If you are given a choice to implement the code to either Insert a Record or Update if already exist, Which approach will you follow ?
  Which of the following is not the advantage of Mocking frameworks ?
  How can we make sure that a code segment gets executed even in case of uncatched exceptions ?


  Q2. Write code to sort an array.Algorithm
Ans. https://www.geeksforgeeks.org/arrays-sort-in-java-with-examples/

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

   Like         Discuss         Correct / Improve     array  sorting     Asked in 16 Companies      basic        frequent


Related Questions

 Collections.sort can only be performed on ..

a. Set
b. List
c. Map
d. Any Collection implementation
  If I try to add Enum constants to a TreeSet, What sorting order will it use ?
  In what order the elements of a HashSet are retrieved ?
 Explain various Searching and Sorting Algorithms ?
  Which sorting algorithm is used by Collections.sort() in Java ?
  If we add Enum constants to a sorted collection ( Treemap , TreeSet ), What will be the order in which they will be maintained ?
 Write an algorithm / java program for Heap Sort ?
 Write any sorting algorithm.
 Explain bubble sort.
 Explain different sorting algorithms and Big O of each



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: