C++ examples for Statement:try catch
Create a try block and a catch block to detect a division-by-zero error.
#include <iostream> using namespace std; int main()/*from www. jav a 2 s .c o m*/ { int numerator, denominator; try { cout << "Enter the numerator (whole number only): "; cin >> numerator; cout << "Enter the denominator (whole number only): "; cin >> denominator; if (denominator == 0) throw denominator; // an integer value is thrown else cout << numerator << '/' << denominator << " = " << double(numerator)/double(denominator) << endl; } catch(int e) { cout << "A denominator value of " << e << " is invalid." << endl; exit (1); } return 0; }