public class ProductorFactura extends Thread{
    private ArrayList <Object> mostrador;
    private int num;
    private String[] types;
    private String type;
    private Random random;

    public ProductorFactura(ArrayList <Object> mostrador) {
        this.mostrador=mostrador;
        this.num=0;
        this.types=new String[]{"con chocolate","simple","con coco"};
        this.type="";
        this.random=new Random();
    }

    public void run() {

        while(true) {
        try {
            int timeProduction=random.nextInt(1300-1000)+1000;
            int typeRandom=random.nextInt(this.types.length);

            Thread.sleep(timeProduction);
            synchronized(mostrador) {
                this.num++;
                this.type=types[typeRandom];
                Factura factura=new Factura(this.num,this.type);
                mostrador.add(factura);
                mostrador.notifyAll();
            }

        }catch (InterruptedException e) {
            e.printStackTrace();
        }

        System.out.println("Factura("+num+", "+this.type+")"+" en mostrador");
        }

    }


}


public class ProductorBizcocho extends Thread{

    private ArrayList <Object> mostrador;
    private int num;
    private String[] types;
    private String type;
    private Random random;

    public ProductorBizcocho(ArrayList <Object> mostrador) {
        this.mostrador=mostrador;
        this.num=0;
        this.types=new String[]{"Cuadrado","chato","relleno"};
        this.type="";
        this.random=new Random();
    }

    public void run() {

        while(true) {
        try {
            int timeProduction=random.nextInt(600-400)+400;
            int typeRandom=random.nextInt(this.types.length);

            Thread.sleep(timeProduction);
            synchronized(mostrador) {
                this.num++;
                this.type=types[typeRandom];
                Bizcocho bizcocho=new Bizcocho(this.num,this.type);
                mostrador.add(bizcocho);
                mostrador.notifyAll();
            }

        }catch (InterruptedException e) {
            e.printStackTrace();
        }

        System.out.println("Bizcocho("+this.num+", "+this.type+") en mostrador");
        }

    }
}