@Alvin1

import java.util.Random; public class Main { public static void main(String[] args) { // Define el tamaño de la matriz cuadrada (puedes cambiar 5 por 7, 15, etc.) int tama = 5; llenarMatriz(tama); }

import java.util.Random; import java.util.Scanner; // 1. Importación agregada para leer la entrada public class Main { public static void main(String[] args) { Scanner teclado = new Scanner(System.in); // 2. Lee el núm

import java.util.*; import java.lang.*; import java.io.*; // The main method must be in a class named "Main". class Main { public static void main(String[] args) { System.out.println("Biblioteca"); // Paso 2

import java.util.*; import java.lang.*; import java.io.*; // The main method must be in a class named "Main". class Main { public static void main(String[] args) { System.out.println("Biblioteca"); // Paso 2

import java.util.*; import java.lang.*; import java.io.*; // The main method must be in a class named "Main". class Main { public static void main(String[] args) { System.out.println("Biblioteca"); // Paso 2

import java.util.*; import java.lang.*; import java.io.*; class Main { public static void main(String[] args) { double [][] ventas = {

import java.util.*; import java.lang.*; import java.io.*; //import java.util.Random; // The main method must be in a class named "Main". class Main { public static void main(String[] args) { Scanner tecl = new Scanner(System.in);

import java.util.*; import java.lang.*; import java.io.*; //import java.util.Random; // The main method must be in a class named "Main". class Main { public static void main(String[] args) { Scanner tecl = new Scanner(System.in);