Try It Yourself - SyntaxStudy Editor

HTML / CSS / JS

#include <iostream>
#include <stdexcept>
#include <string>

double safeDivide(double a, double b) {
    if (b == 0.0)
        throw std::invalid_argument("Division by zero");
    return a / b;
}

int parseAge(const std::string& s) {
    int age = std::stoi(s);   // throws std::invalid_argument or std::out_of_range
    if (age < 0 || age > 150)
        throw std::out_of_range("Age out of plausible range");
    return age;
}

void riskyOperation() {
    try {
        double result = safeDivide(10.0, 0.0);
        std::cout << result << "
";
    } catch (const std::invalid_argument& e) {
        std::cout << "Caught invalid_argument: " << e.what() << "
";
        throw;   // rethrow to outer handler
    }
}

int main() {
    // Nested try/catch with rethrow
    try {
        riskyOperation();
    } catch (const std::exception& e) {
        std::cout << "Outer handler: " << e.what() << "
";
    }

// Multiple catch handlers, ordered most-derived first
    try {
        parseAge("-5");
    } catch (const std::out_of_range& e) {
        std::cout << "Out of range: " << e.what() << "
";
    } catch (const std::invalid_argument& e) {
        std::cout << "Invalid argument: " << e.what() << "
";
    } catch (const std::exception& e) {
        std::cout << "std::exception: " << e.what() << "
";
    } catch (...) {
        std::cout << "Unknown exception
";
    }

return 0;
}