complete the loadMaze method int row $=$ player$[$ROW$]$;

int col $=$ player$[$COL$]$;

switch $($move$.$toLowerCase$())\{$

case $"$up$"$:

row$--$;

break;

case "down":

row$++$;

break;

case "left":

col$--$;

break;

case "right":

col$++$;

break;

default:

return false;

$\}$

if $($valid$($row$,$ col$))\{$

player$[$ROW$]=$ row;

player$[$COL$]=$ col;

visit$($row$,$ col$)$;

return true;

$\}$

return false;