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

Search Interview Questions


 2787 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 'Yahoo' - 4 question(s) found - Order By Newest

Very frequently asked across all types of companies.
  Q1. Difference between HashMap and Hashtable?Core Java
Anonymous
Ans. Hashtable is synchronized whereas HashMap is not.HashMap allows null values whereas Hashtable doesnt allow null values.

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

   Like      Discuss      Correct / Improve     java   collections   hashmap   map   hashtable   basic interview question   ebay   tcs    hcl technologies   infosys technologies     Morgan Stanley  Yahoo  Q3 Technologies  PriceLine  Solution Rally  Coupang  HCL Technologies  Tata Consultancy (TCS)   Infosys Technologies  Accenture India  JPMorgan Chase  Priceline.com      basic        frequent

Try 2 Question(s) Test


Advanced level question frequently asked in US based companies. Recently asked in EMC and Intuit.
  Q2. Can you provide some implementation of a Dictionary having large number of words ? Solution
Admin
info@buggybread.com
Ans. Simplest implementation we can have is a List wherein we can place ordered words and hence can perform Binary Search.

Other implementation with better search performance is to use HashMap with key as first character of the word and value as a LinkedList.

Further level up, we can have linked Hashmaps like ,

hashmap {
a ( key ) -> hashmap (key-aa , value (hashmap(key-aaa,value)
b ( key ) -> hashmap (key-ba , value (hashmap(key-baa,value)
....................................................................................
z( key ) -> hashmap (key-za , value (hashmap(key-zaa,value)
}

upto n levels ( where n is the average size of the word in dictionary.

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

   Like      Discuss      Correct / Improve     java   collections   hashmap   binary search   search algorithm   advanced   architecture   data structure     Dell EMC   Intuit   Corporate Brokers  PWC India  Yahoo  Oracle        frequent

Try 1 Question(s) Test


  Q3. Write a Program to check if 2 strings are Anagrams ?Core Java2016-11-30 20:52:37

Ans. public void checkIfAnagram(String str1,String str2){
boolean anagram = true;
for(char c:str1.toCharArray()){
if(!str2.contains(String.valueOf(c))){
System.out.println("Strings are Anagrams");
anagram = false;
}

if(anagram == true){
System.out.println("Strings are not Anagrams");
}
}
}

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

   Like      Discuss      Correct / Improve      check if 2 strings are Anagrams     Amazon  DataMetica  Hewlett Packard (HP)  Opera Solutions  AirWatch  Booking.com  JP Morgan  Verdantis  AppDynamics  QSI Healthcare  Vistaar Technologies  Maventic  5AM Solutions  Rare Mile Technologies  Shutterfly  Fiberlink  Veeva Systems  Flipkart  eHarmony  Splunk  Zoho  Betterment  WisdmLabs  Adap.tv  Spotify  Yahoo  Wissen Infotech  GlobalLogic      basic        frequent


  Q4. Explain the challenging problems you faced recently and how you overcame it ?General

Ans. [Open Ended Answer]

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

   Like      Discuss      Correct / Improve     elsevier   open ended questions   overstock.com   cerner     Overstock.com  Elsevier  Infoview Technologies  Syntel  Hexaware  Yahoo  Nationwide  GE Transportation  Concur  MH Alshaya  Infosys  Capital One  HCL Technologies  Ann Arbor  PowerAdvocate        frequent




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: