Rectángulo

Lección

Primer contacto con Java

Ejercicio

Objetivo

Escriba un programa en java para pedir al usuario un número y luego muestre un rectángulo de 3 columnas de ancho y 5 filas de alto usando ese dígito. Por ejemplo:

Introduzca un dígito: 3
333
3 3
3 3
3 3
333

Código de Ejemplo

Mostrar Código

// Importing the Scanner class to handle input from the useimport 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 a number
        System.out.print("Enter a digit: ");
        // Read the user's input as an integer
        int digit = scanner.nextInt();

// Print the top row of the rectangle
        System.out.println(String.format("%d%d%d", digit, digit, digit));  // 3 columns wide

// Print the middle rows of the rectangle
        for (int i = 0; i < 3; i++) {  // 3 rows in the middle
            System.out.println(String.format("%d %d", digit, digit));  // 3 columns with space in between
        }

// Print the bottom row of the rectangle
        System.out.println(String.format("%d%d%d", digit, digit, digit));  // 3 columns wide

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

// Importing the Scanner class to handle input from the useimport 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 a number
        System.out.print("Enter a digit: ");
        // Read the user's input as an integer
        int digit = scanner.nextInt();

        // Print the top row of the rectangle
        System.out.println(String.format("%d%d%d", digit, digit, digit));  // 3 columns wide

        // Print the middle rows of the rectangle
        for (int i = 0; i < 3; i++) {  // 3 rows in the middle
            System.out.println(String.format("%d %d", digit, digit));  // 3 columns with space in between
        }

        // Print the bottom row of the rectangle
        System.out.println(String.format("%d%d%d", digit, digit, digit));  // 3 columns wide

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