// Fig. 16.2: Fig16_02.cpp// A simple exception-handling example that checks for// divide-by-zero exceptions.#include <iostream>using std::cin;using std::cout;using std::endl;#include "DivideByZeroException.h" // DivideByZeroException class // perform division and throw DivideByZeroException object if // divide-by-zero exception occursdouble quotient( int numerator, int denominator ){   // throw DivideByZeroException if trying to divide by zero   if ( denominator == 0 )      throw DivideByZeroException(); // terminate function   // return division result   return static_cast< double >( numerator ) / denominator;} // end function quotientint main(){   int number1; // user-specified numerator   int number2; // user-specified denominator   double result; // result of division   cout << "Enter two integers (end-of-file to end): ";   // enable user to enter two integers to divide   while ( cin >> number1 >> number2 )    {      // try block contains code that might throw exception      // and code that should not execute if an exception occurs      try       {         result = quotient( number1, number2 );         cout << "The quotient is: " << result << endl;      } // end try      // exception handler handles a divide-by-zero exception      catch ( DivideByZeroException &divideByZeroException )       {         cout << "Exception occurred: "             << divideByZeroException.what() << endl;      } // end catch      cout << "\nEnter two integers (end-of-file to end): ";   } // end while   cout << endl;   return 0; // terminate normally} // end main/************************************************************************** * (C) Copyright 1992-2005 by Deitel & Associates, Inc. and               * * Pearson Education, Inc. All Rights Reserved.                           * *                                                                        * * DISCLAIMER: The authors and publisher of this book have used their     * * best efforts in preparing the book. These efforts include the          * * development, research, and testing of the theories and programs        * * to determine their effectiveness. The authors and publisher make       * * no warranty of any kind, expressed or implied, with regard to these    * * programs or to the documentation contained in these books. The authors * * and publisher shall not be liable in any event for incidental or       * * consequential damages in connection with, or arising out of, the       * * furnishing, performance, or use of these programs.                     * **************************************************************************/