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Interview Questions and Answers for 'Pwc' - 6 question(s) found - Order By Newest

Advanced level question frequently asked in US based companies. Recently asked in EMC and Intuit.
  Q1. 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.

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   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

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Frequently asked. Favorite question in Walk in Drive of many Indian service companies.
  Q2. What are the methods of Object Class ?Core Java
Anonymous
Ans. clone() - Creates and returns a copy of this object.

equals() - Indicates whether some other object is "equal to" this one.

finalize() - Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.

getClass() - Returns the runtime class of an object.

hashCode() - Returns a hash code value for the object.

toString() - Returns a string representation of the object.

notify(), notifyAll(), and wait() - Play a part in synchronizing the activities of independently running threads in a program.

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Very Frequently asked to fresh graduates and less experienced. Favorite question in Walk in drives. Frequently asked in Indian Services companies.
  Q3. Difference between Overloading and Overriding ?Core Java
Anonymous
Ans. Overloading - Similar Signature but different definition , like function overloading.

Overriding - Overriding the Definition of base class in the derived class.

  Sample Code for overloading

  Sample Code for overriding

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Very Frequently asked Spring question.
  Q4. What is bean auto wiring?Spring
Admin
info@buggybread.com
Ans. The Spring container is able to autowire relationships between collaborating beans. This means that it is possible to automatically let Spring resolve collaborators (other beans) for your bean by inspecting the contents of the BeanFactory without using and elements.

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 Q5. How do you take screenshot in selenium?Selenium2017-05-24 20:39:56

Ans. TakeScreenshot th = TakeScreenshot(driver); //Enable the driver object to take screenshot

File src = th.getScreenShotAs(OutputType.FILE);

FileUtils.copyFilesrc("locationWhereUWantToPlaceTheScreenshot.jpg");

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   Like      Discuss      Correct / Improve     webdriver  selenium     Price Waterhouse Coopers (PWC)


 Q6. How to instantiate jsp variable from another jsp?JSP2018-03-23 17:27:31

 This question was recently asked at 'Price waterhouse Coopers (PWC)'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve          Price waterhouse Coopers (PWC)




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