public class Liquid

{

private int amount;

//constructor

public Liquid() {

System.out.print(liquid );

amount = 0;

}

public int getAmount() {

return amount;

}

public void setAmount(int am)

{

amount = am;

}

}

public class Milk extends Liquid

{

private int percentFat;

//constructor

public Milk(int percent)

{

super();

System.out.print(milk );

percentFat = percent;

}

}

Consider the following code segment:

Liquid liq = new Milk(2);

Milk mil = new Milk(4);

What is printed when this code executes?