teststudent.cpp

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#include <iostream>
#include <string>
using namespace std;

#include "prompt.h"

class Student
{
  public:
    Student(const string& name);

    void RespondTo( /* question needed here */);

    int    Score() const;
    string Name()  const;
    
  private:
    
    string myName;
    int    myCorrect;
};

Student::Student(const string& name)
  : myName(name),
    myCorrect(0)
{
    // initializer list does the work
}

void Student::RespondTo( /* question needed here */)
{
    string answer;
    cout << "type answer after question " << endl << endl;
    cout << "what is your favorite color? ";
    cin >> answer;

    if (answer == "blue")
    {   cout << "that is correct" << endl;
        myCorrect++;
    }
    else
    {   cout << "No! your favorite color is blue" << endl;
    }
}

int Student::Score() const
{
    return myCorrect;
}

string Student::Name() const
{
    return myName;
}

int main()
{
    string name = PromptString("enter name: ");
    int numQuest = PromptRange("number of questions: ",1,10);
    Student st(name);
    int k;
    for(k=0; k < numQuest; k++)
    {   st.RespondTo();   // question parameter missing
    }
    cout << st.Name() << ", your score is "
         << st.Score() << " out of " << numQuest << endl;
    return 0;
}