classes and object (Q2.)

Q WAP to define a class Time , which contains the data member , hh,mm and ss and functions ,

          * readTime();

          * showTime();

          * increament();

          * decreament();

Valid range :

     hh= 0-23

     mm=0-59

     ss=0-59

#include<iostream.h>

#include<conio.h>

class Time

{

     int hh,mm,ss;

     public:

          void readTime()

          {

              cout<<endl<<"Enter the value of hh , mm, and ss :";

              cin>>hh>>mm>>ss;

          }

          void showTime()

          {

               cout<<endl<<hh<<":"<<mm<<":"<<ss;

          }

          void decreament();

    

          void increament();

};

     void Time::increament()

          {

          //increament the second

              ss=ss+1;

//check for the seconds valid range

              if(ss>59)

              {

                   //set seconds to 0

                   ss=0;

                   //increament the minutes

                   mm=mm+1;

                   //check for the minutes valid range

                   if(mm>59)

                   {

                        //set the minutes to 0

                        mm=0;

                        //increament the hours

                        hh=hh+1;

                        //check the hours valid range

                        if(hh>23)

                             hh=0;

                   }

               }

          }

    

     void Time::decreament()

     {

          //decrease the seconds by 1

          ss=ss-1;

          //check for the valid range

          if(ss<0)

          {

              //set seconds to maximum

              ss=59;

     //decreament the minutes by 1

              mm=mm-1;

              //check for the valid range

             

              if(mm<0)

              {

                   //set mm to maximum

                   mm=59;

                   //decreament the hour by 1

                   hh=hh-1;

                   //check for the valid range

                   if(hh<0)

                        hh=23;

              }

          }

     }

void main()

{

     Time t;

     t.readTime();

     t.showTime();

     t.increament();

     t.showTime();

     t.decreament();

     t.showTime();

     getch();

}