Clase Bizcocho

import java.util.Random;
import javax.lang.model.element.Element;

public class Bizcocho extends Thread{

    private static int contador = 0;
    private int indice;
    private Mostrador<Element> cola;
    private Random random = new Random();
    private int lim_superior = 600;
    private int lim_inferior = 400;

    public Bizcocho(Mostrador<Element> mostrador) {
        contador++;
        this.indice = contador;
        this.cola = mostrador;
    }

    public void run() {
        while (true) {
            // System.out.println((cola.toString()));
            cola.agregarBizcocho(this.indice);
            System.out.println("Bizcocho " + this.indice +" se añadió al mostrador");
            try {
                Thread.sleep(random.nextInt(this.lim_inferior, this.lim_superior));
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
            }
        }
    }
}