use strict;
use warnings;

my @array1 = qw/ jed jethro zed zug /;
my @array2 = qw/ jed jed jed zack zed zug zug /;

print join(':', @$_), "\n" for count_occurrences( \@array1, \@array2 );

sub count_occurrences {
    my( $wanted, $have ) = @_;
    my %counter;
    @counter{@$wanted} = (0)x@$wanted;
    $counter{$_}++ for @$have;
    return map { [ $_ => $counter{$_} ] } @$wanted;
}

##</code><code>##

jed:3
jethro:0
zed:1
zug:2