// Ran on C# Interactive via VisualStudio
> public abstract class Bird
. {
. public abstract double GetSpeed();
. }
> public class AfricanBird : Bird
. {
. public override double GetSpeed()
. {
. return 1;
. }
. }
> public class AmericanBird : Bird
. {
. public override double GetSpeed()
. {
. return 0.7;
. }
. }
> Bird africanBird = new AfricanBird();
> Bird americanBird = new AmericanBird();
> africanBird.GetSpeed()
1
> americanBird.GetSpeed()
0.7
Created
April 27, 2020 23:14
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