Correct the following programs :

A$)$

interface Animal

$\{$

public void eat$\_$eat$()$;

public void travel$\_$Eat$()$;

$\}$

public class MammalInt implements Animal

$\{$

public void eat$()$

$\{$

System.out.println$("$Mammal eats"$)$;

$\}$

public void travel$()$

$\{$

System.out.println$("$Mammal travels"$)$;

$\}$

public void noOfLegs$()$

$\{$

return $0$;

$\}$

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

$\{$

MammalInt noOfLegs $=$ MammalInt$()$;

m$.$eat$()$;

m$.$travel$()$;

$\}$

$\}$

$[5$ Marks$]$

B$)$

Public class ProgramA

$\{$

Public class static main $($String$[]$ Args$)$

$\{$

Call function Sum $(10,20)$;

$\}$

Public void sum $($int x$,$int y$)$;

$\{$

int z;

Z$=$x$+$y;

System $.......($z$)$

$\}$

$\}$

$[5$ Marks$]$