public class Parent

$\{$

public int getValue$()$

$\{$

$\}$

return $24$;

public void display$()$

$\{$

$\}$

$\}$

System.out.print$($getValue$()+"")$;

public class Child extends Parent

$\{$

public int getValue$()$

$\{$

$\}$

return $-7$;

$\}$

Using the classes above, what is the output of the following lines of code?

Parent kid $=$ new Child$()$;

Parent adult $=$ new Parent$()$;

kid.display$()$;

adult.display$()$;

$-724$

$24-7$

$2424$