getter and setter

#include <iostream>
using namespace std;
class Percentage 
{
private:
    int obtained_marks;
    int total_marks;
    double result;
public:
    // Public getter for the result
    double getPercentage() const
    {
        return result;
    }
    // Constructor to initialize obtained_marks and total_marks
    Percentage(int obtained, int total) : obtained_marks(obtained), total_marks(total)
    {
        calculatePercentage();
    }
    // Function to calculate percentage and store in result
    void calculatePercentage() 
    {
        // Ensure total_marks is not zero to avoid division by zero
        if (total_marks == 0) 
        {
            cout<< "Error: Total marks cannot be zero." << std::endl;
            result = 0.0; // Set result to 0 for error handling
        } 
        else 
        {
            result = static_cast<double>(obtained_marks) / total_marks * 100.0;
        }
    }
};

int main() {
    int obtained = 537;
    int total = 600;

    Percentage percentage(obtained, total);

    // Access the percentage using the getter
    double calculatedPercentage = percentage.getPercentage();

    cout << "Percentage: " << calculatedPercentage << "%" << std::endl;

    return 0;
}