Re: startup code

From:
Robert Klemme <shortcutter@googlemail.com>
Newsgroups:
comp.lang.java.programmer
Date:
Wed, 29 Aug 2012 22:06:51 +0200
Message-ID:
<aa7b30Fa7aU1@mid.individual.net>
On 29.08.2012 21:41, Eric Sosman wrote:

     "What she said," with a stylistic suggestion: If the code to
create the bitmap grows to more than a very few lines, consider
putting them in a private static method of their own and calling
that method from the static initializer:

     class Thing {
         ...
         static {
             createTheBitmap();
         }

         /** Called only during class initialization. */
         private static void createTheBitmap() {
             // create the bitmap
         }
         ...
     }

Doesn't change the code's meaning in any significant way, but
may make it easier to debug/adapt/refactor later on.


If you go through the effort why then call it from an initializer? Why
not just via the field declaration that holds the bitmap?

class Thing {
   private static final BitMap bm = loadTheBitmap();

   private static BitMap loadTheBitmap() {
     ...
     return ...;
   }
}

Assuming that the state will be held in this class.

Kind regards

    robert

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