简易静态方法使用

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

namespace condition
...{
    class Program
    ...{
        static void Main(string[] args)
        ...{
            //按照条件表达式输出
            Console.WriteLine("按照条件表达式语句输出");
            Console.WriteLine(sinc(0.2));
            Console.WriteLine(sinc(0.1));
            Console.WriteLine(sinc(0.0));
            //按照if语句输出
            Console.WriteLine("按照if语句输出");
            Console.WriteLine(sinc02(0.2));
            Console.WriteLine(sinc02(0.1));
            Console.WriteLine(sinc02(0.0));
        }
        static double sinc(double x)
        ...{
            return x != 0.0 ? Math.Sin(x) / x : 1.0;
        }
        static double sinc02(double x)
        ...{
            if (x != 0.0)
                return Math.Sin(x) / x;
            else
                return 1.0;
        }
    }
}