program.cs

来自「c#开发宝典 光盘内容。本光盘主要为书中的源程序」· CS 代码 · 共 79 行

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

namespace Example16_1
{
    class Program
    {
        static void Main(string[] args)
        {
            //定义两个加数
            int myInt1 = 10;
            int myInt2 = 5;

            //定义两个要相加的字符串
            string myString1 = "Hello";
            string myString2 = " World!";

            //定义结果
            int myInt3 = 0;
            int myInt4 = 0;
            string myString3 = string.Empty;

            //求值运算
            myInt3 = IntOperator.IntAdd(myInt1, myInt2);
            myInt4 = IntOperator.IntMinus(myInt1, myInt2);

            myString3 = StringOperator.StringAdd(myString1, myString2);

            Console.ReadLine();
        }
    }

    /// <summary>
    /// 实现整数加减法的类
    /// </summary>
    class IntOperator
    {
        /// <summary>
        /// 整数的加法
        /// </summary>
        /// <param name="a">加数1</param>
        /// <param name="b">加数2</param>
        /// <returns>和</returns>
        public static int IntAdd(int a, int b)
        { 
            //代码实现整数的加法
        }

        /// <summary>
        /// 实现整数的减法
        /// </summary>
        /// <param name="a">被减数</param>
        /// <param name="b">减数</param>
        /// <returns>差</returns>
        public static int IntMinus(int a, int b)
        {
            //代码实现整数的减法
        }
    }

    /// <summary>
    /// 实现字符串的加法
    /// </summary>
    class StringOperator
    {
        /// <summary>
        /// 字符串加法
        /// </summary>
        /// <param name="a">字符串1</param>
        /// <param name="b">字符串2</param>
        /// <returns>两字符串的和</returns>
        public static string StringAdd(string a, string b)
        {
            //代码实现字符串的加法
        }
    }
}