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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 protection
4. Polymorphism for flexibility and interfacing

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   Like         Discuss         Correct / Improve     oops  oops features     Asked in 235 Companies      basic        frequent


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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   Like         Discuss         Correct / Improve     java   threads   multi threading   operating system   daemon thread   garbage collection     Asked in 10 Companies      intermediate        frequent

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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   Like         Discuss         Correct / Improve     ebay   fibonacci series     Asked in 65 Companies      basic        frequent


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

Ans. a

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   Like         Discuss         Correct / Improve          Asked in 2 Companies


 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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   Like         Discuss         Correct / Improve     Algorithm  Sorting Algorithm     Asked in 4 Companies      basic        frequent


 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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   Like         Discuss         Correct / Improve          Asked in 2 Companies


 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     Asked in 2 Companies


 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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   Like         Discuss         Correct / Improve          Asked in 1 Companies


 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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   Like         Discuss         Correct / Improve          Asked in 1 Companies


 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          Asked in 1 Companies


 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          Asked in 1 Companies




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