RE: Vector question -- JAVA400-L

It is required in JavaScript to turn a function into a method. The more you
learn Java, the more you'll appreciate that JavaScript and Java are totally
different.

Joe Teff

-----Original Message-----
From: owner-java400-l@midrange.com
[mailto:owner-java400-l@midrange.com]On Behalf Of Stone, Brad V (TC)
Sent: Tuesday, March 06, 2001 7:16 AM
To: 'JAVA400-L@midrange.com'
Subject: RE: Vector question


Ok, thanks!  I am using "this" because of some other examples I was given.
I suppose it's a readability thing.  I am used to using it in JavaScript as
well.

> -----Original Message-----
> From: Joe Teff [mailto:JoeTeff@earthlink.net]
> Sent: Monday, March 05, 2001 5:17 PM
> To: JAVA400-L@midrange.com
> Subject: RE: Vector question
>
>
> Your coding is fine. Using the "this" keyword is redundant
> unless you have a
> local variable with the same name as a global variable and
> you want to refer
> to the global variable. It's not broken, just unneccessary.
> "this" always
> refers to the current object.
>
> Joe Teff
>
> -----Original Message-----
> From: owner-java400-l@midrange.com
> [mailto:owner-java400-l@midrange.com]On Behalf Of Stone, Brad V (TC)
> Sent: Monday, March 05, 2001 3:54 PM
> To: 'JAVA400-L@midrange.com'
> Subject: RE: Vector question
>
>
> Ok, here's what I did...  I made a method in MyClassList that
> looks like
> this:
>
> public MyClass getMyClass(int index)
> {
>   return (MyClass) this.MyClassList.get(index);
> }
>
> This worked, I just want to make sure this is ok to do it
> this way (mainly
> the casting part).
>
> Brad
>
>
> > -----Original Message-----
> > From: Fred Kulack [mailto:kulack@us.ibm.com]
> > Sent: Saturday, March 03, 2001 6:24 PM
> > To: JAVA400-L@midrange.com
> > Subject: RE: Vector question
> >
> >
> >
> > The only thing I'd add is that
> > this line of code really is bad.
> >
> > >> if ((MyClass)(list.paintOptions.get(x)).isBlue)
> > I hope this was just a simple example.
> >
> > You really want to encapsulate the fact that your
> > 'MyClassList' has any particular implementation in
> > it.
> >
> > In your small example, any users of MyClassList
> > know and use the Vector it contains. (This is
> > sort of pointless, they might as well just
> > use the vector directly. 8-)).
> >
> > The MyClassList needs to provide a "public MyClass get(something)",
> > that way the get() method handles all the details and
> > you can change it to use a different underlying
> > implementation or contained objects at any time.
> >
> >
> >
> > "The stuff we call "software" is not like anything that
> human society
> >   is used to thinking about. Software is something like a
> machine, and
> >   something like mathematics, and something like language, and
> >   something like thought, and art, and information...
> >   but software is not in fact any of those other things."
> > Bruce Sterling - The Hacker Crackdown
> >
> > Fred A. Kulack  -  AS/400e  Java and Java DB2 access, Jdbc,
> > JTA, etc...
> > IBM in Rochester, MN  (Phone: 507.253.5982   T/L 553-5982)
> > mailto:kulack@us.ibm.com   Personal: mailto:kulack@bresnanlink.net
> > AOL Instant Messenger: Home:FKulack  Work:FKulackWrk
> >
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