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06.17.2008 at 09:32AM PDT, ID: 23492228
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Java Comparator - Sorting Question

Asked by laptopcomputer in Java Standard Edition, Java Programming Language

Hi All,

Below is a comparator that sorts numbers in ascending order starting with the smallest. I want to reverse this so that it sorts numbers in descending order, the largest number appearing first and so on.

Thanks for any help

public static Comparator myComparator  = new Comparator(){
            
            public int compare(Object value1, Object value2) {
                  String sVal1 = ((value1Entity)value1)getValue();
                  String sVal2 = ((value1Entity)value2)getValue();
            
            int iVal1 = 0;
            int iVal2 =0;
           
                  try { iVal1=(int)Float.parseFloat(sVal1); }
                    catch(NumberFormatException e) { }
                  try { iVal2=(int)Float.parseFloat(sVal2); }
                    catch(NumberFormatException e) { }             
                  
                if(iVal1 == 0)
                      iVal1 = 9999;
                if(iVal2 == 0)
                      iVal2 = 9999;
                    
                  if(iVal1<iVal2)
                        return 1;
                  else if(iVal2<iVal1)
                        return -1;
                  else //(iVal2==iVal1)
                        return 0;
            }
      };Start Free Trial
[+][-]06.17.2008 at 09:36AM PDT, ID: 21804891

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[+][-]06.17.2008 at 10:47AM PDT, ID: 21805616

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[+][-]06.17.2008 at 10:54AM PDT, ID: 21805685

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[+][-]06.17.2008 at 10:58AM PDT, ID: 21805727

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About this solution

Zones: Java Standard Edition, Java Programming Language
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Solution Provided By: spoxox
Participating Experts: 4
Solution Grade: B
 
 
[+][-]06.17.2008 at 11:06AM PDT, ID: 21805776

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[+][-]06.17.2008 at 04:00PM PDT, ID: 21808164

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[+][-]06.18.2008 at 12:47PM PDT, ID: 21816396

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