Article View: aus.computers.java
Article #704Re: help with arrayList urgent
From: Steve Strongheart
Date: Mon, 22 May 2000 00:00
Date: Mon, 22 May 2000 00:00
36 lines
2176 bytes
2176 bytes
sumguy ~
You need to cast the java.lang.Object returned from myArrayList.get(int)
into an Object that has the desired method.
(myClass) myArrayList.get(int).someMethod()
assuming the Object is castable to myClass and that myClass contains
#someMethod()
~S~
someguy <someguy@somewhere.com> wrote in message
news:958986598.802617@brs.ihug.com.au...
> greetings
>
> I have created an arraylist, which i have used to store objects of a
purpose
> desinged class that holds a string and integer, and the toString returns
> both in a string "ie return(myString +myInteger);". I would like to know
> how to access the methods of my class from the arraylist.
>
> ie myArrayList.get(index).someMethodFromMyClass
>
> Interstingly enough, i can create new objects and add them to my list. I
> can get the values of these objects, but i cant invoke methods built into
> them to modify their values.
>
> The reason i have used arraylist is so that i dont have define the size of
> the arraylist - and for what i am doing this is an advantage. However if
> you have any better ideas then i would be glad to hear them.
>
> Please if you know how i can access these method i would appreciate it.
>
>
>
>
>
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: fdb77,52d7c09c5f8362a6 X-Google-Attributes: gidfdb77,public X-Google-Thread: 113ae9,52d7c09c5f8362a6 X-Google-Attributes: gid113ae9,public X-Google-Thread: 10d6db,52d7c09c5f8362a6 X-Google-Attributes: gid10d6db,public From: "Steve Strongheart" <Strong_HeartGreenEggsAndSpam@bigfoot.com> Subject: Re: help with arrayList urgent Date: 2000/05/22 Message-ID: <392a7884@news.dandy.net> X-Deja-AN: 626257667 References: <958986598.802617@brs.ihug.com.au> X-Original-NNTP-Posting-Host: 206.135.129.6 X-Priority: 3 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2314.1300 X-Complaints-To: abuse@eni.net X-Trace: paxfeed.eni.net 959084786 18196 206.135.129.6 (23 May 2000 12:26:26 GMT) Organization: Epoch Internet Inc. X-MSMail-Priority: Normal NNTP-Posting-Date: 23 May 2000 12:26:26 GMT Newsgroups: aus.computers.java,comp.lang.java.advocacy,comp.lang.java.help