program.cs

C#2.0宝典源码,C#经典书籍,很多例子

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

namespace Example3_15 {
    class Program {
        static void Main(string[] args) {
            //利用Console.ReadLine方法从键盘读入字符并转换为double型数
            Console.WriteLine("请输入一个数：");
            double myDouble1 = Convert.ToDouble(Console.ReadLine());

            Console.WriteLine("请再输入一个数：");
            double myDouble2 = Convert.ToDouble(Console.ReadLine());
            double myDouble3;

            if (myDouble1 < myDouble2) {
                //当myDouble1小于myDouble2时求myDouble2与myDouble1的差
                myDouble3 = myDouble2 - myDouble1;
                Console.WriteLine("myDouble2减myDouble1的结果是 {0}", myDouble3);
            } else {
                //当myDouble1大于myDouble2时求myDouble2与myDouble1的和
                myDouble3 = myDouble1 + myDouble2;
                Console.WriteLine("myDouble2加myDouble1的结果是 {0}", myDouble3);
            }

            Console.ReadLine();
        }
    }
}