Re: StatsTable object

From:
Lew <lewbloch@gmail.com>
Newsgroups:
comp.lang.java.programmer
Date:
Mon, 12 Sep 2011 15:30:18 -0700 (PDT)
Message-ID:
<77042a11-369e-4a18-a290-5c5a6729927f@glegroupsg2000goo.googlegroups.com>
markspace wrote:
bob wrote:

What do you all think of this representation? I think it would be
better if it had a more 2-dimensional feel, but I don't want to
complicate things.

 
I don't like it. I think it would be better to represent the rows as
classes, and then compose the object as a collection of those objects.
I know this sounds like a bit of extra work, but in the long run it's
probably better.


+1

For example, if you wanted to use a JTable, which is a table for GUI
display, having the actual types as ints, double, etc. instead of
strings would be a big advantage because the default display/editing
will use those types and "do the right thing" in many cases.
 
Something like:
 
public class PlayerStats {
   String name;
   int touchdowns;
   double yardsRushing;
   double yardsPassing;
   ... getters/setters...
 
   public int getPropertyCount() { return 4; }
   public int getPropertyNames() {
     return new String[] { "Name","Touchdows","Yards Rushing",
            "Yards Passing", };
}
 
public class StatsTable {
   ArrayList<PlayerStats> playerStats;
   ... don't need "rows" use playerStats.getSize()
   ... columns: use getPropertyCount()...
}


Plus, 'vector' is not a type in the standard API. If it's a custom type, i=
t needs to follow the naming conventions. If you meant 'java.util.Vector',=
 don't use that type.

There is almost no excuse really to use 'java.util.Vector' in new code. It=
 was (largely) supplanted by 'ArrayList' (and the 'Collections.synchronized=
List()' or 'synchronizedCollection()' versions thereof) about thirteen YEAR=
S ago.

(The exception is in order to deal with legacy code that contains vestigial=
 'Vector' references, but that is not the case for the OP.)

Others have mentioned that there might be use cases for using a table-orien=
ted representation, but that seems on the face of it inappropriate for this=
 exercise. I suggest sticking with the object-oriented approach initially =
unless you can explain why the table oriented approach is better.

Also, I notice the OP's first "row" lacked a label for the player name.

--
Lew

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