From: jason joo <jasonjoo.god@...>
Date: 2010-08-10T18:39:06+09:00
Subject: Re: hash

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actually u just need a method to put value in and return the overwrite
value, don't u?
so in a usual way u can write a Hash class to redefine its []= method to
acheive that

2010/8/10 Jake Jarvis <pig_in_shoes@yahoo.com>

> On 10.08.2010 11:18, wrote Peter Hickman:
> > The Ruby hash is not a Java HashMap
> >
> > x["key"] = "value_1"
> > x["key"] = "value_2"
> >
> > puts x["key"] => "value_2"
> >
> > The best you can do is:
> > 1) Create a HashMap class for Ruby, a very simple task
> > 2) Use lists to store the values
> >
> > x["key"] = Array.new
> > x["key"] << "value_1"
> > x["key"] << "value_2"
> >
> > puts x["key"] => ["value_1", "value_2"]
>
> Why do that?
> That's not how the given Java code behaves.
>
> --
> Jake Jarvis
>
>

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