using System;

​

public class CatLeg

{

    int Length;

    public CatLeg (int length)

    {

        Length = length;

    }

    public void Run()

    {

        Console.WriteLine("The legs are moving so the cat can run");

    }

}

​

public class Cat

{

    public string Nama;

    public int     Umur;

    public string Bulu;

    public static int BatasTua = 10;

    public Cat(string n, int u, string b)

    {

        Nama = n;

        Umur = u;

        Bulu = b;

    }

    public virtual void Speak()

    {

        Console.WriteLine("I am speaking");

        Console.WriteLine("I am a cat named " + Nama);

        Console.WriteLine("I am " + Umur);

        Console.WriteLine("My color is " + Bulu);

    }

    public static int Tambah (int angka1, int angka2)

    {

        int hasil;

        hasil = angka1 + angka2;

        return hasil;

    }

    public static bool IsOld (int age)

    {

        bool result = false;

        if (age > Cat.BatasTua)

        {

            result = true;

        }

        return (result);

    }

}

​

public class PallasCat : Cat

{

    public int Diameter;

​

    public PallasCat (string name, int umur, string bulu, int diameter) 

        : base (name, umur, bulu)

    {

        Diameter = diameter;

    }

    public override void Speak()

    {

        Console.WriteLine("I am speaking");

        Console.WriteLine("I am a Pallas cat named " + Nama);

        Console.WriteLine("I am " + Umur);

        Console.WriteLine("My color is " + Bulu);

        Console.WriteLine("My diameter " + Diameter);

    }

​

}

​

public class Program

{

    public static void Main()

    {

        //Cat x;

        //x = new Cat("Dogo", 1, "yellow");

        //x.Speak();

        //Cat y;

        //y = new Cat("Kety", 2, "black");

        //y.Speak();

        //Cat c = new PallasCat ("Pawpaw", 3, "grey", 10);

        //c.Speak();

        //Console.WriteLine(Cat.Tambah(3,2));

        //Console.WriteLine(Cat.IsOld(1));

        //Console.WriteLine(Cat.BatasTua);

        bool c = 3 > 2;

        Console.WriteLine(c);

​

        int age = 11;

        if (Cat.IsOld(age))

        {

            Console.WriteLine("I am old");

        }

        else

        {

            Console.WriteLine("I am young");

        }

    }

}

​

​