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.

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

i could not run my application in any computers if i want to run it i have to install the full version of visual studio 2005. it is really hard and feel embarrassing in front of the people though i installed .net framework where goes wrong

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