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Interview Questions and Answers for 'Ciber' - 3 question(s) found - Order By Rating

 Q1. Should a DB Insert Request be a POST or PUT request in RestRest
Ans. It depends on whether the request object is persisted as it is

or

its first dismantled, modified or refactored and then inserted into DB.

In first case, it should be a PUT request whereas in second case it should be a POST Request.

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   Like         Discuss         Correct / Improve     Put vs Post   Rest     Asked in 2 Companies      intermediate        frequent


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Frequently asked at HCL Technologies ( Based on 3 feedback )
  Q2. Difference between Checked and Unchecked exceptions ?Core Java
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   checked vs unchecked exceptions     Asked in 39 Companies      basic        frequent

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Very Frequently asked. Have been asked in HCL Technologies very frequently ( based on 3 feedback ). Among first few questions in many interviews.
  Q3. Differences between abstract class and interface ?Core Java
Ans. Abstract classes can have both abstract methods ( method declarations ) as well as concrete methods ( inherited to the derived classes ) whereas Interfaces can only have abstract methods ( method declarations ).

A class can extend single abstract class whereas it can implement multiple interfaces.

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   Like         Discuss         Correct / Improve     java   classes   abstract class   interfaces   abstract class vs interface   abstract classes vs interfaces     Asked in 82 Companies      basic        frequent


Related Questions

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or

What are the different Java Collections Interfaces ?
  What are Marker Interfaces ? Name few Java marker interfaces ?
  Can we declare interface methods as private ?
  What is comparator interface used for ?
  What is the use of runnable interface if we can always create a new thread using Thread class ?
  Which of the following doesn't extend Collection interface ?



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