public class Person

$\{$

private String name $=$ null;

public Person$($String theName$)$

$\{$

name $=$ theName;

$\}$

public String getFood$()$

$\{$

return "Hamburger";

$\}$

public static void main$($String$[]$ args$)$

$\{$

Person p $=$ new Student$("$Javier$")$;

System.out.println$($p$.$getFood$())$;

$\}$

$\}$

class Student extends Person

$\{$

private int id;

private static int nextId $=0$;

public Student$($String theName$)$

$\{$

super$($theName$)$;

id $=$ nextId;

nextId$++$;

$\}$

public String getFood$()$

$\{$

String output $=$ super.getFood$()$;

return output $+"$ and Pizza";

$\}$

public int getId$()$

$\{$

return this.id;

$\}$

public void setId$($int theId$)$

$\{$

this.id $=$ theId;

$\}$

$\}$