Parallel vectors synchronize

**speaker** · May 18th, 2012, 01:56 PM

Hello,
in my code i have at some point 3 parallel vectors [float(i)<=>string1(i)<=>string2(i)]

i wanted to eliminate equal float numbers of the 1st vector ,therefore i create a SET which works fine:

Set unique = new LinkedHashSet();
          Iterator iter;
          for ( iter = unique.iterator(); iter.hasNext();) {
                 Object obj = iter.next();
                 System.out.println("/unique vector/ " + obj);}

Im having difficulty at deleting the correspoding strings of the other 2 vectors,although it sounds pretty easy to do.
i would appreciate any ideas!
thnx very much a priori

**Norm** · May 18th, 2012, 02:02 PM

How are you loading the Set from the Vector? If you did that in a loop you would have the index needed to access the other two Vectors.

**speaker** · May 18th, 2012, 02:08 PM

its loaded outside the loop ,and moving that control inside the loop would cause more problems

**Norm** · May 18th, 2012, 02:19 PM

cause more problems

How is that?

**speaker** · May 18th, 2012, 02:32 PM

inside the loop i find dynamically the values of float numbers and the correspodining values of string1 and string 2
if i try to create the set inside the loop then the values are not correct(unless im missing something)

PS:now that i think of it , its more convenient to find a way to eliminate duplicates
a SET contains the unique values and not only the duplicates if im correct

**Norm** · May 18th, 2012, 02:34 PM

Inside the loop that is creating the Vectors, you could use the Set to tell you if the current float is already in the Set.

**speaker** · May 18th, 2012, 03:22 PM

i am trying that but i cant make it work. I have a loop inside a loop and that makes things worse

**aussiemcgr** · May 18th, 2012, 03:25 PM

Don't be scare of loops inside loops. It is a VERY common practice. I think I've gone further than 7 loops deep before.

**Norm** · May 18th, 2012, 03:27 PM

i cant make it work

Can you explain what problems you are having?

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