CS
cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SoloLearn
{
// concrete extensions
class Abstract {
public virtual void display() {
Console.WriteLine("Abstract base class");
}
}
class A :Abstract {
public override void display() {
Console.WriteLine("Typ A");
}
}
class B : Abstract {
public override void display() {
Console.WriteLine("Typ B");
}
}
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OUTPUT
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