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OOPs INTERVIEW QUESTION & ANSWERS

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36. What is another name for overloading?
  Ad-hoc polymorphism is another name for overloading.
  Posted by Kamaraju. (Jul 25, 2014)
 

Compile Time Polymorphism or Early Binding.
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37. How is method overriding different from method overloading?
  When overriding a method, you change the behavior of the method for the derived class. Overloading a method simply involves having another method with the same name within the class.
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38. What are the four types of polymorphism?
 
    There are four types of polymorphism are
  • Inclusion
  • Parametric
  • Overridding
  • Overloading
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39. What does a break statement do in switch statements?
  The break statement terminates the loop in which it exists. It also changes the flow of the execution of a program.
In switch statements, the break statement is used at the end of a case statement. The break statement is mandatory in C# and it avoids the fall through of one case statement to another.
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40. Why is the virtual keyword used in code?
  The Virtual keyword is used in code to define methods and the properties that can be overridden in derived classes.
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