Greatest of three numbers Java Exercise - Java Programming Course

import java.util.Scanner;  // Import Scanner class for input

public class Program {
    // Main entry point of the program
    public static void main(String[] args) {
        // Create a scanner object to read user input
        Scanner scanner = new Scanner(System.in);

        // Ask the user to input the first number
        System.out.print("Enter the first number: ");
        // Read the first number as a double
        double firstNumber = scanner.nextDouble();

        // Ask the user to input the second number
        System.out.print("Enter the second number: ");
        // Read the second number as a double
        double secondNumber = scanner.nextDouble();

        // Ask the user to input the third number
        System.out.print("Enter the third number: ");
        // Read the third number as a double
        double thirdNumber = scanner.nextDouble();

        // Determine the greatest number using conditional statements
        double greatest = firstNumber;

        if (secondNumber > greatest) {
            greatest = secondNumber;
        }
        if (thirdNumber > greatest) {
            greatest = thirdNumber;
        }

        // Display the greatest number
        System.out.println("The greatest number is: " + greatest);

        // Close the scanner to free up resources
        scanner.close();
    }
}