import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

public class MyTask implements Runnable{
    private final Lock lock = new ReentrantLock();
    private final int MAX_COUNT = 10000;
    private int sharedCounter = 0;


    @Override
    public void run() {
        System.out.println("Starting! Shared counter = " + sharedCounter);
        
        for (int i = 0; i < MAX_COUNT; i++) {
            lock.lock();
            
            try {
                sharedCounter = sharedCounter + 1;
                Scanner sc = new Scanner( new File("eksempelpath.txt"));
            } catch (FileNotFoundException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
                System.exit(-1);
            } finally {
                lock.unlock();
            }

        }

        System.out.println("Done! Shared counter = " + sharedCounter);
    }
}