Question

IN C++ Define a class Area that has two private variable members; units of type string and area_value of type float. Create a dynamic variable of type Area.
    1) Input from the keyboard the area_value and its units. Compute one-half and one-quarter of the area and display the results
    2) Destroy the dynamic variable at the end

Answer 1

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Output

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#include <iostream>
#include <string>

using namespace std;

class Area{
    // private variables
    string units;
    float area_value;
  
    public:
        // function to get input
        void get_input(){
            cout<<"Enter Units: ";
            getline(cin, units);
          
            cout<<"Enter area_value: ";
            cin>>area_value;
        }
  
        // function to display half
        void display_half(){
            cout<<"One half of area is "<<area_value/2<<" "<<units<<'\n';
        }
      
        // function to display quarter
        void display_quarter(){
            cout<<"One quarter of area is "<<area_value/4<<" "<<units<<'\n';
        }
};

int main(){
  
    Area *a = new Area; // creating dynamic variable
    a->get_input(); // getting input
    a->display_half(); // displaying half of area
    a->display_quarter(); // displaying quarter of area
  
    delete a; // deleteing variable
    return 0;
}