package OOtest;
sub new {
    my $invoker = shift;
    my $class = ref($invoker) || $invoker;
    my $self  = {};
    bless ($self, $class);
    $self->{list}  = [];
    return $self;
}

sub get_list {
    my $self = shift;
    return $self->{list};
}

##</code><code>##

my $obj = OOtest->new();
foreach my $tmp ( @{ $obj->get_list() } ) {
    # process list
}