import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

public class Teller {
    public static void main(String[] args) {
        
        Runnable tellerTask = new TellerTask();
        //Thread teller1 = new Thread(tellerTask);
        //Thread teller2 = new Thread(tellerTask);

        for (int i = 0; i < 5; i++) {
            new Thread(tellerTask).start();
        }

        //teller1.start();
        //teller2.start();
        System.out.println("Jeg er ferdig!");
    }
}


class TellerTask implements Runnable {

    private Lock laas = new ReentrantLock();
    private final int MAX_COUNT = 10000;
    private int deltTeller = 0;

    @Override
    public void run() {
        System.out.println("Starter! Delt teller er " + deltTeller);
        for (int i = 0; i < MAX_COUNT; i++) {

            deltTeller++;
            /*
            laas.lock();
            try {
                deltTeller++;
            } finally {
                laas.unlock();
            }
            */
        }
        System.out.println("Ferdig! Delt teller er naa " + deltTeller);
    }
}