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Interview Questions and Answers for 'Servicenow' - 11 question(s) found - Order By Newest

  Q1. Explain OOPs

or

Explain OOPs Principles

or

Explain OOPs Concepts

or

Explain OOPs features

or

Tell me something about OOPs
Core Java2017-06-13 08:25:45

Ans. OOPs or Object Oriented Programming is a Programming model which is organized around Objects instead of processes. Instead of a process calling series of processes, this model stresses on communication between objects. Objects that all self sustained, provide security by encapsulating it's members and providing abstracted interfaces over the functions it performs. OOP's facilitate the following features

1. Inheritance for Code Reuse
2. Abstraction for modularity, maintenance and agility
3. Encapsulation for security and protected
4. Polymorphism for flexibility and interfacing

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Usually asked only to fresh graduates and less experienced developers.
  Q2. What is a daemon thread? Give an Example ?
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Ans. These are threads that normally run at a low priority and provide a basic service to a program or programs when activity on a machine is reduced. garbage collector thread is daemon thread.

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Try 2 Question(s) Test


Frequently asked in face to face interviews.
  Q3. Write a program to print fibonacci series.Core Java

Ans. int count = 15;
int[] fibonacci = new int[count];
fibonacci[0] = 0;
fibonacci[1] = 1;
for(int x=2; x < count; x++){
fibonacci[x] = fibonacci[x-1] + fibonacci[x-2];
}

for(int x=0; x< count; x++){
System.out.print(fibonacci[x] + " ");
}

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 Q4. Explain various Searching and Sorting Algorithms ?Algorithm2017-01-11 16:05:54

Ans. a

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   Like      Discuss      Correct / Improve          HeadStrong  ServiceNow


 Q5. Write any sorting algorithm.Algorithm2017-01-25 13:41:50

Ans. https://javasearch.buggybread.com/InterviewQuestions/questionSearch.php?searchOption=label'

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 Q6. Explain different sorting algorithms and Big O of eachAlgorithm2017-03-03 14:41:45

 This question was recently asked at 'Microsoft,ServiceNow'.This question is still unanswered. Can you please provide an answer.


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 Q7. Explain In place sorting algorithm ?Algorithm2018-09-16 16:27:18

 This question was recently asked at 'Reddit,ServiceNow'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     sorting algorithm   in place sorting algorithm     Reddit  ServiceNow


 Q8. What is an identity matrix ?2019-02-01 15:08:30

 This question was recently asked at 'ServiceNow'.This question is still unanswered. Can you please provide an answer.


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 Q9. How does one do matrix multiplication?2019-02-01 15:08:46

 This question was recently asked at 'ServiceNow'.This question is still unanswered. Can you please provide an answer.


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 Q10. What are the disadvantages of binary search trees? Algorithm2019-02-01 15:09:05

 This question was recently asked at 'ServiceNow'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve          ServiceNow


 Q11. Design a appointment booking system for a chain of hospitals.Design2019-02-01 15:11:15

 This question was recently asked at 'ServiceNow'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve          ServiceNow




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