$3.$ Rewrite the following Java code without OO features.

$```$

class X$\{$

private int z$,$ w;

public X$($int f$)\{$

w $=$ f;

z $=$ f $/3$;

$\}$

public void zang$()\{$

Z$++$;

w $-=$ z;

$\}$

$\}$

public int getW$($int r$)\{$return$($w $*$ r$)$;$\}$

public class TestX$\{$

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

X y $=$ new X$(15)$;

y$.$zang$()$;

System.out.println$($y$.$getW$(6))$;

$\}$

$\}$

$```$