Easy learning with example program codes

CPP User-Defined Exceptions

CPP facilitates the feature of defining any new error by a user in a CPP program, by overriding and inheriting exception class functionality.


#include <iostream>  
#include <exception>  
using namespace std;  
class newException : public exception
const char * what() const throw()  
return "Divide by zero error!";  
int main ()
int x, y;
cout << "Enter x: ";
cin >> x;
cout << "Enter y: ";
cin >> y;
if( y == 0 )  
newException err;
throw err;
cout << x/y <<endl;
catch(exception& e)  
cout << e.what();  
return 0;  


Enter x: 45     
Enter y: 0           
Divide by zero error!
Posted in CPP   

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