C#方法定义和调用-2

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;



namespace ConsoleApplication1

{

    class Qian

    {

        private decimal yuanlai;

        private string name;

        public Qian(string name)

        {

            this.yuanlai = 0;

            this.name = name;

            Print("我的钱数", 0);

        }



        public bool Desposit(decimal jine)

        {

            if (jine <= 0)

                return false;

            yuanlai += jine;

            Print("借了别人",jine);

            return true;

        }



        public bool WithDraw(decimal jine)

        {

            if (jine > yuanlai || jine <= 0)

                return false;

            yuanlai -= jine;

            Print("借给别人", jine);

            return true;

        }



        private void Print(string operation, decimal jine)

        {

            Console.WriteLine("我的名字：{0}",name);

            Console.WriteLine("{0}:{1}",operation,jine);

            Console.WriteLine("现在的钱:{0}",yuanlai);

            Console.WriteLine("============================");

            Console.ReadKey();

        }

    }

    class Program

    {

        static void Main(string[] args)

        {

            Qian q = new Qian("我是LT");

            bool succed = q.Desposit(10000);

            if (!succed)

                Console.WriteLine("他不借给我钱！");

            succed = q.WithDraw(50000);

            if (!succed)

                Console.WriteLine("我不借给他钱！");

            Console.ReadKey();



        }

    }

}