Throw your own exception class based on runtime_error : Custom Exception « Exceptions

Throw your own exception class based on runtime_error : Custom Exception « Exceptions « C++ Tutorial

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C++ Tutorial » Exceptions » Custom Exception

6.5.1.Throw your own exception class based on runtime_error

#include <iostream>

#include <stdexcept>

using std::cin;

using std::cout;

using std::endl;

using std::runtime_error;



class DivideByZeroException : public runtime_error

{

public:

   DivideByZeroException::DivideByZeroException(): runtime_error( "attempted to

 divide by zero" ) {}

};



double quotient( int numerator, int denominator )

{

   throw DivideByZeroException(); // terminate function



   return 0;

}



int main()

{

    try

    {

       double result = quotient( 1, 1 );

       cout << "The quotient is: " << result << endl;

    }

    catch ( DivideByZeroException &divideByZeroException )

    {

       cout << "Exception occurred: " << divideByZeroException.what() << endl;



    }



    return 0;

}

Exception occurred: attempted to divide by zero

6.5.Custom Exception
	6.5.1.	Throw your own exception class based on runtime_error
	6.5.2.	Custom exception class
	6.5.3.	Throw a custom exception object
	6.5.4.	Use custom exception in your own Array class

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