Re: java code

From:
Lew <lewbloch@gmail.com>
Newsgroups:
comp.lang.java.programmer
Date:
Sun, 23 Feb 2014 20:47:54 -0800 (PST)
Message-ID:
<79f3dad1-4e94-434c-83f1-6c0eeff87ec3@googlegroups.com>
lipska the kat wrote:

Well. Now that everyone has had the obligatory attempt at being a
smartarse and, hopefully, you have had time to figure this out for
yourself, try this. There are some possible 'optimizations' depending on
you view regarding 'unnecessary' variables and hard-coded magic numbers.
I'm sure some of the smartarses will offer their invaluable advice in
this area.


Absolutely.

public class AntiSmartArseClass {


It is pointless to put 'Class' into a class name, as we already now that it's a class from
the (you guessed it) 'class' keyword.

More to the point, thinking in terms of classes is a less powerful mode than
thinking in terms of types. Names should be semantic, and not reflective of
implementation.

    public static void main(String[] args) {
       int increment = 11;


This would be better as a constant.

       int iterations = 8;

       int outerindex = 1;
       int innerindex= 0;


Looks like you're reinventing the 'for' loop here.

       while(outerindex <= iterations){


Yep.

          System.out.printf("%d", outerindex * increment);
          innerindex = (outerindex * increment) % 10;


And the nested 'for' loop.

          while(innerindex > 1){


Which proves that you are all macho and everything, sure, but
the problem is that these variables have too wide a scope. Use
of the 'for' loop brings you proper scoping for free.

             System.out.printf("%d", --innerindex);
          }
          outerindex++;


You really should follow the Java Naming Conventions, which call for camel
case on these variables.

          System.out.println();
       }
    }
}


You're welcome.

--
Lew

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