using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Pythagoras.");
            Console.Write("Kaatet 1: ");
            double a = Double.Parse(Console.ReadLine());
            Console.Write("Kaatet 2: ");
            double b = Double.Parse(Console.ReadLine());
            double c = Math.Sqrt((a*a) + (b*b));
            Console.Write("Hüpotenuus: ");
            Console.WriteLine(c.ToString());
        }
    }
}

Teemad

• Objektid, klassid, nende käitumine mälus
• Meetodid, andmetüübid
• Method overloading, operator overloading
• Konstruktor, destruktor
• private, public, protected
• Inheritance ("pärimine")
• Overriding
• Setters, getters
• Abstract classes