import java.util.Random;

class SetCord
{
    public int x;
    public int y;
    private  int Id;
    private static int nextId = 1;
    public SetCord(int a, int b)
    {
        x=a;
        y=b;
    }
    public int getX()
    {

        Id=nextId;
        nextId++;
        return x;
    }
    public int getY()
    {

        Id=nextId;
        nextId++;
        return y;
    }

    public int getId()
    {
        return Id;
    }
}
   class Test{
    public static void main(String args[])
    {
    Random rand = new Random();
    SetCord[] teste = new SetCord[3];

    for (int i = 0; i < 3; i++)
    {
        teste[i] = new SetCord(rand.nextInt(100), rand.nextInt(35));

    }

    for(SetCord x:teste)
    {

    System.out.println("x = " +  x.getX());
    System.out.println("y = " +  y.getY());        //blad kompilacj - y cannot be resolved
    System.out.println("x id " +  x.getId());
    System.out.println("y id " +  y.getId());  //blad kompilacj - y cannot be resolved

   }

    }


   }