public class Konsument extends Thread {

    private String id;
    private Bufor buff;
    private int powt;

    public Konsument(String _id, Bufor _buff, int _powt) {
        this.id = _id;
        this.buff = _buff;
        this.powt = _powt;
    }

    public void run() {
        for (int i = 0; i < this.powt; i++) {
            if(buff.check()){
                break;
            }
            String temp = buff.get();
            if(temp != "-1")
                System.out.println("[" + this.id + ", " + i + "] >> " + temp);
            else
                break;
            try {
                sleep((int) (Math.random() * 11) + 2);
            } catch (InterruptedException e) {
            }

        }
    }
}