public class Main {
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        System.out.println("Programa pradeda darba");
        TestThread.pradeti();
        System.out.println("Programa baigia darba.");
    }
}

class TestThread extends Thread
{
    BendroNaudojimoObjektas bendras;
    public TestThread(BendroNaudojimoObjektas bendras)
    {
        this.bendras = bendras;
    }
    public void run()
    {
        System.out.println("Gija " + this + " paleista");
        for (int i = 0; i < 100; i++)
        {
            //bendras.padidinti();
            /*synchronized(bendras)
            {*/
                //System.out.println("Gija " + this + " pries atnaujinant bendra kintamaji");
                bendras.goUp();
                bendras.goDown();
                bendras.goRight();
                bendras.goLeft();
             /*   //System.out.println("Gija " + this + " atnaujino bendra kintamaji");
            }*/
        }
        //System.out.println("Gija " + this + " baigia darbà");
    }
    public static void pradeti()
    {
        BendroNaudojimoObjektas bendras = new BendroNaudojimoObjektas();
        bendras.x = 0;
        bendras.y = 0;
        try
        {
            Thread t1 = new TestThread(bendras);
            t1.start();
            Thread t2 = new TestThread(bendras);
            t2.start();
            Thread t3 = new TestThread(bendras);
            t3.start();
            t1.join();  t2.join(); t3.join();
            System.out.println("Rezultatas: " + bendras.x + ";" + bendras.y + ". Turi buti 0;0");
        }
        catch (InterruptedException exc)
        {
            System.out.println("Ivyko klaida "+exc);
        }
    }
}
class BendroNaudojimoObjektas
{
    int x,y;
    public void goRight()
    {
        x++;
    }
    public void goLeft()
    {
        x--;
    }
    public void goUp()
    {
        y++;
    }
    public void goDown()
    {
        y--;
    }
}