Catch

try {
    int c = 3/0;
    print(c);
} on IntegerDivisionByZeroException {
    // A specific exception
    print('Can not divide integer by 0.')
} on Exception catch (e) {
    // Anything else that is an exception
    print('Unknown exception: $e');
} catch (e) {
    // No specified type, handles all
    print('Something really unknown: $e');
}