param loc $-$ the desired location to set

$*$

$*$ The below validation should be performed:

$*$

$*-$ If the parameter loc is null, the location should be set to "Home"

$*$

$*-$ If the parameter loc contains no characters, the location should be set to "Home"

$*$

$*-$ If the parameter loc contains more than $20$ characters, the location should be set

$*$ to the first $20$ characters of loc.

$*$

$*-$ The location must begin with an upper case character.

$*/$

public void setLocation$($String loc$)\{$

$//$ To be completed