using System;

public class animal

{

    private string name;

    private int age;

    public animal(string name, int age)

    {

        this.name = name;                                                                                                                                                                                                                                                                             

        this.age = age;

    }

​

    public override string ToString()

    {

        return "animal: name=" + name + " age=" + age;

    }

    public virtual void print()

    {

        Console.WriteLine("animal");

    }

    public static void Main()

    {

        animal svit = new animal("marshal", 4);

        mammal babi= new mammal(2,"babi",69);

        mammal dimit= new mammal(2,"dimit",69);

        Console.WriteLine(svit);

        Console.WriteLine(babi);

        svit.print();

        babi.print();

        animal[] arr  = new animal[3];

        arr[0] = svit;

        arr[1] = babi;

        arr[2] = dimit;

        for(int i = 0;i<arr.Length;i++)

        {

            arr[i].print();

        }

    }

}

​

    public class mammal:animal

    {

    private int milk;                                                                                                                                                                                                                             

    public mammal(int milk,string name,int age):base(name,age)

    {

         this.milk = milk;

    }

    public override string ToString()

    {

        return base.ToString() + " milk=" + milk;

    }

    public override void print()

    {

        Console.WriteLine("mamal");

    }

​

}

​

​

​