divideByZeroException.cpp

//************************************************************************
// Author: Rolando Carreon
// Date: apr 3 2025
// Language: C++
// Assignment: Demo
// Description: preform divison, using exception handling to handle
//               divison by zero
//************************************************************************

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

int main()
{
    // declare local variables
    int numerator = 10;
    int denominator = 0;
    
    // try to perform the divison, throw an error if the denom is 0
    try
    {
        
        // if the denominator is 0, throw a runtim error
        if( denominator == 0 )
            throw runtime_error("Divide by zero error.");
        
        // calculate and display the result
        cout << "Result is " << numerator / denominator << endl;
    }
    // catch a thrown runtime error and display the appropriate message
    // e is industry standard short for exception
    // i is index
    // e is used in a catch
    catch( runtime_error& e )
    {
        cout << "Exception caught: " << e.what() << endl;
    }
    
    return 0;
}