calculator.js

class Calculator {
    add(a, b) {
        return a + b;
    }

    subtract(a, b) {
        return a - b;
    }

    multiply(a, b) {
        return a * b;
    }

    divide(a, b) {
        if (b === 0) {
            throw new Error("Division by zero is not allowed.");
        }
        return a / b;
    }
}

// Example usage
const calculator = new Calculator();
console.log("Addition: ", calculator.add(10, 5));
console.log("Subtraction: ", calculator.subtract(10, 5));
console.log("Multiplication: ", calculator.multiply(10, 5));
try {
    console.log("Division: ", calculator.divide(10, 0));
} catch (error) {
    console.error(error.message);
}