class Pig implements Animal $\{$

public void animalSound$()\{$

System.out.println$("$Oink$")$;

$\}$

$\}$

What code segment would the interface need to look like?

interface Animal $\{$

public void animalSound$()$;

public void eat$()$;

$\}$

interface Animal $\{$

public void animalSound$()$;

$\}$

interface Animal $\{$

public String animalSound$()$;

$\}$

interface Animal $\{$

public void animalSound$()\{$

System.out.println$("$Noise here"$)$;

$\}$

$\}$