Answer Posted / bilal dooply

Polymorphism is a property in which a single object can have more than 1 form.

Example [Code in VB.NET]:

Class Animals
'Walk() is declared Overridable

Overridable Public Sub Walk()
Console.Writeline ("Walking")
End Sub
End Class

Class Dog
Inherits Animals
'Let us make Dog is walking

'Walk() is overriding Walk() in its base class (Animals)

Overrides Public Sub Walk()
Console.Writeline ("Walking")
'Important: As you expect, any call to Walk() inside this class
'will invoke the Walk() in this class. If you need to
'call Walk() in base class, you can use MyBase keyword.
'Like this

'Mybase.Speak()

End Sub
End Class

Class MainClass
'Our main function

Shared Sub Main()
'Let us define Tommy as a Animal (base class)

Dim Tommy as Animals
'Now, I am assiging an Indian (derived class)

Tommy = new Dogs
'The above assignment is legal, because

'Dogs IS_A Animals.

'Now, let me call Walk as

Tommy.Walk()
'Which Walk() will work? The Walk() in Dogs, or the

'Walk() in Animals?

'The question arises because, Tommy is declared as a Animals,

'but an object of type Dogs is assigned to Tommy.

'The Answer is, the Walk() in Dogs will work. This is because,

'most object oriented languages like Vb.net can automatically

'detect the type of the object assigned to a base class variable.

'This is called Polymorphism

End Sub
End Class

What is an example of genetic polymorphism?

1125

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#include #include #include #include void select(char *items, int count); int main(void) { char s[255]; printf("Enter a string:"); gets(s); select(s, strlen(s)); printf("The sorted string is: %s.\n", s); getch(); return 0; } void select(char *items, int count) { register int a, b, c; int exchange; char t; for(a = 0; a < count-1; ++a) { exchange = 0; c = a; t = items[ a ]; for(b = a + 1; b < count; ++b) { if(items[ b ] < t) { c = b; t = items[ b ]; exchange = 1; } } if(exchange) { items[ c ] = items[ a ]; items[ a ] = t; } } } design an algorithm for Selection Sort

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