升学考试与生成器模式

凭印象，可能概念不对？ 等我晚上回去看看书，也欢迎大家帮我：）

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

namespace  生成器模式
{
     class  Program
    {
         static   void  Main( string [] args)
        {
             try
            {
                 // 要想升学一定要学习
                升学 小朋友Ａ  =   new  学习();
                 // 当然要经过考试
                 new  考试(小朋友Ａ);

                小朋友Ａ.升学成功();
            }
             catch  (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }

            Console.Read();
        }
    }

     interface  升学
    {
         double  语文成绩
        {  get ; set ;}
         double  数学成绩
        {  get ; set ;}
         double  外语成绩
        {  get ; set ;}

         void  升学成功();
    }

     class  学习 : 升学
    {
         double  语文  =   0 ;
         double  数学  =   0 ;
         double  外语  =   0 ;

         public   double  语文成绩
        {
             get
            {
                 return  语文;
            }
             set
            {
                语文  =  value;
            }
        }

         public   double  数学成绩
        {
             get
            {
                 return  数学;
            }
             set
            {
                数学  =  value;
            }
        }

         public   double  外语成绩
        {
             get
            {
                 return  外语;
            }
             set
            {
                外语  =  value;
            }
        }

         public   void  升学成功()
        {
             if  (语文  <   60 )
            {
                 throw   new  Exception( " 语文不及格，别想升学 " );
            }

             if  (数学  <   60 )
            {
                 throw   new  Exception( " 数学不及格，别想升学 " );
            }

             if  (外语  <   60 )
            {
                 throw   new  Exception( " 外语不及格，别想升学 " );
            }

            Console.WriteLine( " 我终于升学成功了 " );
        }
    }

     class  考试
    {
        升学 天天学习;

         private  考试()
        { }

         public  考试(升学 天天学习)
        {
             this .天天学习  =  天天学习;
            最终考试();
        }

         void  最终考试()
        {
            Random rd  =   new  Random();
            天天学习.数学成绩  =  ( double )rd.Next( 1 ,  100 );
            天天学习.外语成绩  =  ( double )rd.Next( 1 ,  100 );
            天天学习.语文成绩  =  ( double )rd.Next( 1 ,  100 );
        }
    }
}