import java.util.*; // Documentacion clase Stack: https://docs.oracle.com/javase/7/docs/api/java/util/Stack.html public class testStackAbstracto { public static void main (String [ ] Args) { Persona p1 = new Persona ("Juan", "Nadrie Garcia", 33); Persona p2 = new Persona ("Pedro", "Nunes", 34); Persona p3 = new Persona ("Mauro", "Ruiz perez", 36); Persona m1 = new Persona ("Roberto", "Gonzalez GarcĂ­a", 33); Persona m2 = new Persona ("Sofia", "Nunes", 34); Persona m3 = new Persona ("Karla", "Ruiz Carrillo", 33); System.out.println ("Pila:"); Stack s = new Stack(); // agregar s.push(p1); s.push(p2); s.push(p3); s.push(m1); s.push(m2); s.push(m3); while(!s.empty()) { // sacar de la pila s.peek().visualiza(); s.pop(); } } }