C++ try-catch

by Online Tutorials Library July 14, 2022

C++ try/catch

In C++ programming, exception handling is performed using try/catch statement. The C++ try block is used to place the code that may occur exception. The catch block is used to handle the exception.

C++ example without try/catch

 #include <iostream> using namespace std; float division(int x, int y) {    return (x/y); } int main () {    int i = 50;    int j = 0;    float k = 0;       k = division(i, j);       cout << k << endl;    return 0; } 

Output:

Floating point exception (core dumped)

C++ try/catch example

 #include <iostream> using namespace std; float division(int x, int y) {    if( y == 0 ) {       throw “Attempted to divide by zero!”;    }    return (x/y); } int main () {    int i = 25;    int j = 0;    float k = 0;    try {       k = division(i, j);       cout << k << endl;    }catch (const char* e) {       cerr << e << endl;    }    return 0; } 

Output:

Attempted to divide by zero!

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