Re: pobieranie nula z hashmapy

Article View: pl.comp.lang.java

Article #141711

#141711

From: pluton
Date: Thu, 16 Oct 2008 11:22

27 lines
1702 bytes

>> No wlasnie czytalem tylko helpa :(
>
> a co to jest help? :)

no taki dziadowski podpowiadaczek.

>
>> A wogole to dla czystosci zmienilem double na Double i problem zniknal.
>
> Tylko pozornie :)
> jeszcze doczytaj dokladnie co jest napisane w dokumentcji metody get()
>

>  Returns null if the map contains no mapping for this key.

i to jest ok.

> A return value of null does not necessarily indicate that the map contains 
> no mapping for the key;
>it's also possible that the map explicitly maps the key to null.

a to mi nie grozi akurat, bo w mapie zbieram nazwy plikow i ich dlugosci..

dzieki
pozdrawiam
pluton

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From: "pluton" <zielonadupa@gazeta.pl>
Newsgroups: pl.comp.lang.java
Subject: Re: pobieranie nula z hashmapy
Date: Thu, 16 Oct 2008 13:22:56 +0200
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