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C#.NET INTERVIEW QUESTION & ANSWERS

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61. What is the difference between serialization and deserialization?
  Serialization is the process of converting an object into a stream of bytes.
De-serialization is the opposite process of creating an object from a stream of bytes.
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62. What is the use of Overrides and Overridable keywords?
  Overridable is used in parent class to indicate that a method can be overridden.
Overrides is used in the child to indicate that you are overriding method.
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63. What is the difference between an interface and abstract class?
  In the interface all methods must be abstract, in the abstract class some methods can be concrete. In the interface no accessibility modifiers are allowed, which is ok in abstract classes.
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64. What is object-oriented programming?
  Object-oriented programming (OOP) is a technique to develop logical modules, such as classes, that contain properties, methods, fields, and events. An object is created in the program to represent a class. Therefore, an object encapsulates all the features, such as data and behavior, that are associated to a class.
  Posted by Aswarthamma reddy. (Jun 19, 2014)
 

Object-oriented programming (OOP) is a technique to develop logical modules, such as classes, that contain properties, methods, fields, and events. An object is created in the program to represent a class. Therefore, an object encapsulates all the features, such as data and behavior, that are associated to a class.

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65. What is an object?
  Objects are members of a class.[or] Instance of a class.
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