Arithmetic Operations.java

import java.util.Scanner;

public class ArithmeticOperations {
    
    // Method to add two numbers
    public static double add(double a, double b) {
        return a + b;
    }

    // Method to subtract two numbers
    public static double subtract(double a, double b) {
        return a - b;
    }

    // Method to multiply two numbers
    public static double multiply(double a, double b) {
        return a * b;
    }

    // Method to divide two numbers
    public static double divide(double a, double b) {
        if (b != 0) {
            return a / b;
        } else {
            System.out.println("Error: Division by zero is not allowed.");
            return Double.NaN; // Return NaN for division by zero
        }
    }

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        // Prompt the user to enter two numbers
        System.out.print("Enter the first number: ");
        double num1 = scanner.nextDouble();
        System.out.print("Enter the second number: ");
        double num2 = scanner.nextDouble();

        // Perform arithmetic operations
        double sum = add(num1, num2);
        double difference = subtract(num1, num2);
        double product = multiply(num1, num2);
        double quotient = divide(num1, num2);

        // Display the results
        System.out.println("Sum: " + sum);
        System.out.println("Difference: " + difference);
        System.out.println("Product: " + product);
        if (!Double.isNaN(quotient)) {
            System.out.println("Quotient: " + quotient);
        }

        // Close the scanner
        scanner.close();
    }
}