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

namespace ch6_11
{
    class Constants
    {
        //create const P1
        public const double PI = 3.14;
        //radius is a constant that not initialized
        public readonly int radius;
        public Constants(int radiusValue)
        {
            radius = radiusValue;
        }
    }
}
