What is output by line 1?

public class Whale

{

private int x, y;

public static int c;

public Whale()

{

c++;

}

public void fun()

{

x = 6;

}

public int back()

{

return 1;

}

public String toString()

{

return x + " " + y + " " + c;

}

}

public class Beluga extends Whale

{

public void fun()

{

System.out.println(back());

}

public int back()

{

return 2;

}

public String toString()

{

return "class Beluga " + super.toString();

}

}

//code in the main of another class

Whale flipper = new Beluga();

flipper = new Whale();

flipper = new Beluga();

System.out.println(flipper); //line 1