C++第二次实验1.4

1. #include<iostream>     
   #include<string>     
   using namespace std;    
   class Stu    
   {    
   public:  
       void setStudent(char n[20],float c,float m);  
       void show();  
       void setName(char n[20]);  
       char *getName();  
       int average();  
       int Sum();  
     
   private:    
       char name[20];    //学生姓名     
       float chinese;  //语文成绩     
       float math;     //数学成绩     
         
   };    
     
   void Stu::setStudent(char n[20],float c,float m)  
   {  
       strcpy(name,n);  
       chinese=c;  
       math=m;  
   }  
     
   void Stu::show()  
   {  
       cout<<"Name："<<name<<endl;  
       cout<<"Score："<<chinese<<"      "<<math<<endl;  
       cout<<"average："<<average()<<"    "<<"sum："<<Sum()<<endl<<endl;  
   }  
       
   void Stu::setName(char n[20])  
   {  
       strcpy(name,n);  
   }  
      
   char *Stu::getName()  
   {  
       return name;  
   }  
     
   int Stu::average()  
   {  
      return (chinese+math)/2;  
   }  
   int Stu::Sum()  
   {  
       return(chinese+math);  
   }  
     
   int main()    
   {    
       Stu s1,s2;    
       s1.setStudent("Lin daiyu", 98, 96); //对象置初值     
       s2.setStudent("Jia baoyu", 90, 88); //对象置初值     
       s1.show();//打印信息     
       s2.show();//打印信息     
       s1.setName("xue baochai");//重新置p1对象的名字     
       s1.show();    
       cout<<"s1.Name: "<<s1.getName()<<endl;//打印对象的名字     
       cout<<"s1.average: "<<s1.average()<<endl;//打印对象的成绩     
       return 0;    
   }