Uso de {0} y comentarios

Lección

Primer contacto con Java

Ejercicio

Objetivo

Escriba un programa en java para pedir al usuario tres números y mostrar su multiplicación. La primera línea debe ser un comentario con su nombre y apellidos. Debe verse de la siguiente manera:

Introduzca el primer número para multiplicar
12
Introduzca el segundo número para multiplicar
23
Introduzca el tercer número para multiplicar
2

Código de Ejemplo

Mostrar Código

// Importing the Scanner class to handle input from the user
import java.util.Scanner;

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

// Prompt the user to enter the first number
        System.out.print("Enter the first number to multiply: ");
        int number1 = scanner.nextInt();

// Prompt the user to enter the second number
        System.out.print("Enter the second number to multiply: ");
        int number2 = scanner.nextInt();

// Prompt the user to enter the third number
        System.out.print("Enter the third number to multiply: ");
        int number3 = scanner.nextInt();

// Calculate the result of the multiplication
        int result = number1 * number2 * number3;

// Display the result using variable placeholders
        System.out.printf("The result of multiplying %d, %d, and %d is: %d%n", number1, number2, number3, result);

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

// Importing the Scanner class to handle input from the user
import java.util.Scanner;

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

        // Prompt the user to enter the first number
        System.out.print("Enter the first number to multiply: ");
        int number1 = scanner.nextInt();

        // Prompt the user to enter the second number
        System.out.print("Enter the second number to multiply: ");
        int number2 = scanner.nextInt();

        // Prompt the user to enter the third number
        System.out.print("Enter the third number to multiply: ");
        int number3 = scanner.nextInt();

        // Calculate the result of the multiplication
        int result = number1 * number2 * number3;

        // Display the result using variable placeholders
        System.out.printf("The result of multiplying %d, %d, and %d is: %d%n", number1, number2, number3, result);

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