What is "Polymorphism" and what are Polymorphism in VB.Net?
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Answer / kalpana
Polymorphism is one of the crucial features of OOP. It
means "one name, multiple forms". It is also called as
Overloading which means the use of same thing for different
purposes. Using Polymorphism we can create as many
functions we want with one function name but with different
argument list. The function performs different operations
based on the argument list in the function call. The exact
function to be invoked will be determined by checking the
type and number of arguments in the function.
Is This Answer Correct ? | 15 Yes | 0 No |
Answer / rupali
Polymorphism is ability for redefining methods for derived
classesin OOPs.
its of two types:
1.Compiletime : Method overloading
Methods with same name but diff signatures.
Example:
Public class Calculation
public overloads sub Add(x as integer,y as integer)
return x+y
End Sub
Public overloads sub Add(x along,y as long, z as long)
return x+y+z
End sub
End class
2.Runtime :Method Overriding
Two or more methods with same name,same signatures but with
different implementations.
Example:
Public class DrwingObject
Public Overridable function Draw() as String
return "i am in generic object"
End functin
End class
Public class Line inherits DrawingObject
Public overrides functin Draw() as string
return " i am line"
End Function
End class
Is This Answer Correct ? | 2 Yes | 0 No |
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