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Answer Posted / akshata
Abstraction of structure independently of type is genericity
(pronounced jen-err-iss-it-ee).
E.g. Compare these two functions to return the maximum of
two numbers.
integer maxInteger (integer param1, integer param2)
{
if (param1 > param2)
{ return param1; }
return param2;
}
float maxFloat (float param1, float param2)
{
if (param1 > param2)
{ return param1; }
return param2;
}
It seems silly to have to write the two functions but if a
language doesn't allow you to pass an integer to a function
that requires a floating point parameter (or vice versa)
then this is exactly what you must do.
Some languages allow you to to write a single generic
function that will serve the same purpose for both integers
and floating point values (or any other types you like for
that matter). In general, such a function might look a
little like this.
TYPE max (TYPE param1, TYPE param2)
{
if (param1 > param2)
{ return param1; }
return param2;
}
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