1.1. create an application that overload the operator < < and > > in order to manipulate standard input and output. the program must follow these specifications: - you will need to create an application named "yearoverload. cpp", a class named "dateformat". create the heading file and the implementation file. - the program must allow the user to a date with this format mm/dd/.

The cpp program is given thus:

Explanation:

Date.h:

#ifndef DATE_H

#define DATE_H

using namespace std;

class Date

{

public:

   string mm,dd,;

public:

   Date();

   string getMonth();

   string getDay();

   string getYear();

   void setValues(char*);

   friend istream &operator>>(istream &is, Date &D)

   {

       char str[20];

       is>>str;

       D.setValues(str);

       return is;

   }

   friend ostream &operator<<( ostream &output, Date &D ) {

       output << "Full Format ==> " << D.getMonth() << " " << D.getDay()<< ", " <<D.getYear()<<endl;

       return output;

   }

};

#endif

yearOverload.cpp:

#include <iostream>

#include<string>

#include<cstring>

#include <sstream>

#include "Date.h"

using namespace std;

Date::Date()

{

}

string Date::getMonth()

{

   stringstream s;

   s << mm;

   return s.str();

}

string Date:: getDay()

{

   stringstream s;

   s << dd;

   return s.str();

}

string Date:: getYear()

{

   stringstream s;

   s << ;

   return s.str();

}

void Date:: setValues(char* str)

{

   string months[13]= {" ","January","February","March","April","May","June","July","August","September","October","November","December"};

   string s1;

   s1 = strtok(str, "/");

   dd = strtok(NULL,"/");/*set day*/

    = strtok(NULL,"/");/*set year*/

   cout<<"Here the results :"<<endl;

   cout<<"Month : "<<s1<<endl;

   cout<<"Day : "<<dd<<endl;

   cout<<"Year : "<<<<endl<<endl;

   int month;

   std::istringstream iss (s1);

   iss >> month;

   if(month>0&&month<13)

       mm = months[month];/*set month*/

   else

       cout<<"Error invalid date";

}

main.cpp:

#include<iostream>

#include"Date.h"

#include"yearOverload.cpp"

using namespace std;

int main()

{

   Date d;

   cout<<"Enter a date with this format mm/dd/ ==> ";

   cin>>d;

   cout<<d;

   return 0;

}

answer: when the substance contain the two parts (polar and non-polar) like soap.

explanation:

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