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Interview Questions and Answers for 'Pegasystems' - 4 question(s) found - Order By Newest

Very Frequently asked to fresh graduates and less experienced. Favorite question in Walk in drives. Frequently asked in Indian Services companies.
  Q1. 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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   Like         Discuss         Correct / Improve     java   oops   overloading   overriding   oops concepts   basic interview question     Asked in 82 Companies      basic        frequent

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Frequently asked at HCL Technologies ( Based on 3 feedback )
  Q2. Difference between Checked and Unchecked exceptions ?Core Java
Anonymous
Ans. Checked exceptions are the exceptions for which compiler throws an errors if they are not checked whereas unchecked exceptions are caught during run time only and hence can't be checked.

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   Like         Discuss         Correct / Improve     java   exceptions   checked exceptions   unchecked exceptions   exception handling   basic interview question     Asked in 37 Companies      basic        frequent

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  Q3. What is database Normalization ?Database2017-01-09 12:00:02

Ans. https://en.wikipedia.org/wiki/Database_normalization

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   Like         Discuss         Correct / Improve     normalization  database     Asked in 35 Companies      intermediate        frequent


 Q4. Difference between sleep() and Wait()Operating System2018-06-21 10:02:06

 This question was recently asked at 'PegaSystems'.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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