http://qs321.pair.com?node_id=152897


in reply to Beginner's Object Orientation Exercises?

Ok, here's TRY 2. I'm almost 100% percent sure this is real object orientation. It's a package called AlienFarm that can make, teach, and give powers to aliens. (Constructed using the birth method.)

#! Perl use strict; { package AlienFarm; sub birth { my $self=shift; my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst)=localtime +(time); my $name=shift; $mon+=1; $year+=1900; my $birth = "$mon $mday, $year"; my $alien = bless { NAME => "$name", BIRTH => "$birth", POWERS => [ ], BRAINS => ["pre-school", "1st grade", "2nd grade", "3rd grade", "4th grade", "5th grade", "6th grade", "7th grade", "8th grade", "9th grade", "10th grade", "11th grade", "12th grade", "Harvard Freshman", "Harvard Sophmo +re", "Havard Junior", "Harvard Senior", "Employed", "C +EO"], LEVEL => "-1" }, "AlienFarm"; } sub birthday { my $decide=shift; ref $decide ? $decide->{BIRTH} : "an unknown time"; } sub name { my $decide=shift; ref $decide ? $decide->{NAME} : "an unknown name"; } sub set_power { my $self=shift; my $power=shift; push @{$self->{POWERS}}, $power; } sub get_powers { my $self=shift; my $num=1; foreach my $power ( @{$self->{POWERS}} ) { print "$num) $power\n"; $num++; } print "\n"; } sub teach_lessons { my $self=shift; my $level = $self->{LEVEL}; $level+=1; $self->{LEVEL} = $level; return "Lesson taught. Level: ". $self->{BRAINS}[$self->{LEVEL}] . +"\n"; } sub schooling { my $self = shift; return $self->{BRAINS}[$self->{LEVEL}]; } }

> munchie, the number munchin newb
Llama: The other other white meat!
(you had to be there :-P)