第四天练习

//student.h

#pragma once

#include<string>

#include<iostream>

using namespace std;

class student

{

public:

student(void);

~student(void);

void setValues(int n,string str,char c);

void display();

protected:

int num;string name;

char sex;

};

//student.cpp

#include"student.h"

using namespace std;

student::student(void){}

student::~student(void){}

void student::setValues(int n,string str,char c)

{num=n;name=str;sex=c;}

void student::display()

{

cout<<num<<""<<name<<""<<sex<<endl;

 

 

 

}

//postgraduent.h

#include"student.h"

class postgraduent:public student

{

public:

postgraduent(void);

~postgraduent(void);

void setAdvisor(string str)

{advisor=str;}

string getAdvisor(){return advisor;}

private:

string advisor;

};

 

//postgraduent.cpp

#include "postgraduent.h"

postgraduent::postgraduent(void)

{

}

postgraduent::~postgraduent(void)

{

}

//main.cpp

#include"postgraduent.h"

void main()

{

postgraduent xq;

xq.setValues(1122,"Xiao Qiang",'M');

xq.getAdvisor("Prof.Zhu");

xq.display();

cout<<"Advisor:"<<xq.getAdvisor()<<endl;

 

 

 

 

 

 

 

 

}

#include<iostream>
using namespace std;
class CPolygon{
protected:
int width,height;
public:
void set_values(int a,int b)
{width=a;height=b;}
};
class CRectangle:public CPolygon{
public:
int area()
{return (width*height);}
};
class CTriangle:public CPolygon{
public:
int area()
{return(width*height/2);}
};
int main()
{
CRectangle rect;
CTriangle trgl;
rect.set_values (4,5);
trgl.set_values (4,5);
cout<<rect.area()<<endl;
cout<<trgl.area()<<endl;
return 0;



}

 

 

//DateTime.h
#pragma once
#include"date.h"
#include"time.h"
class dateTime:public date,public time{public:
dateTime(void);
dateTime(int y,int mon,int d,int h,int m,int s);
date(y,mon,d),time(h,m,s){}
~dateTime(void)
void displayDateAndTime();};

 

/main.cpp
#include<iostream>
using namespace std;
class mother{
  public:
  mother()
  {cout<<"mother\n";}
};
class daughter:public mother{
  public:
  daughter()
  {cout<<"daughter\n";}
};
class son:public mother{public:
son(){cout<<"son\n";}};
int main(void){
 daughter cymthial;
 son daniel;
 return 0;

}

//DateTime.cpp
#include"dateTime.h"
dateTime:dateTime(void){}
dateTime:~dateTime(void){}
void displayDateAndTime()
{cout<<"DateAndTime:";
cout<<year<<"-"<<month<<"-"<<day<<"";
cout<<hour<<":"<<minute<<":"<<second;
cout<<endl;
}

/main.cpp
#include<iostream>
using namespace std;
class mother{
  public:
  mother()
  {cout<<"mother\n";}
};
class daughter:public mother{
  public:
  daughter():mother()
  {cout<<"daughter\n";}
};
class son:public mother{public:
son():mother(){cout<<"son\n";}};
int main(void){
 daughter cymthial;
 son daniel;
 return 0;

}

//postgraduent.cpp
#include "postgraduent.h"
postgraduent:postgraduent(void)
{}
postgraduent::~postgraduent(void){}

 

//main.cpp
#include"postgraduent.h"
void main()
{
  postgraduent hui(29."Hui Wang","M","Prof.Su");
  hui.display();
  cout<<"Advisor:"<<hui.getAdvisor()<<endl;
}

 

#pragma once
#include "student.h"
class postgraduent:public student{
    public:
    postgraduent(void);
    postgraduent(int n,string str1,char c,string str2):
    student(n,str1,c),advisor(str2){}
    ~postgraduent(void);
    void setAdvisor(string str1){advisor = str;}
    string getAdvisor()advisor}
    private:
    string advisor;}

 

//main.cpp
#include"dateTime.h"
void main()
{dateTime DT(2014,3,17,9,10,55);
DT.displayDate();
DT.dispalyTime();
DT.displayDateAndTime();
}

 

#include<iostream>
using namespace std;
class Base1
{public:
Base1(int i){cout<<"调用基类Base1的构造函数"<<i<<endl;}
};
class Base2
{public:
Base2(int i){cout<<"调用基类Base2的构造函数"<<i<<endl;}};
class A:public Base1,public Base2{public:A(int a,int b,int c ,int d ):Base1(b),Base2(c);b1(a),b2(d)
{cout<<"调用原生类A的构造函数"<<a+b+c+d<<endl;}
private:
int b1;
int b2;
};
int main(void)
{
}

 

#include<iostream>
using namespace std;
class Base1
{public:
Base1(int i){cout<<"调用基类Base1的构造函数："<<i<<endl;}
};
class Base2
{public:
Base2(int j){cout<<"调用基类Base2的构造函数："<<j<<endl;}
};
class A:public Base1,public Base2
{public:A(int a,int b,int c ,int d ):Base1(b),Base2(c),b1(a),b2(d)
{cout<<"调用原生类A的构造函数"<<a+b+c+d<<endl;}
private:
int b1;
int b2;
};
int main(void)
{
  A objA(1, 2, 3, 4);
  return 0;
}

 

#include<iostream>
using namespace std;
class Base1
{public:
Base1(int i){cout<<"调用基类Base1的构造函数："<<i<<endl;}
};
class Base2
{public:
Base2(int j){cout<<"调用基类Base2的构造函数："<<j<<endl;}
};
class A:public Base1,public Base2
{public:A(int a,int b,int c ,int d ):Base1(b),Base2(c),b1(a),b2(d)
{cout<<"调用原生类A的构造函数"<<a+b+c+d<<endl;}
private:
Base1 b1;
Base2 b2;};
int main(void)
{
  A objA(1, 2, 3, 4);
  return 0;
}