How to iterate over two different HashMaps?

[Sneha Kashyap]

Hi,
I am trying to iterate over two the hashMaps where I need the combination of elements from both the hashMaps. The iteration must be something similar to bubble Sort

    for(int i=0; i<candidates.size()-1; i++)		
            {
                st1 = new StringTokenizer(candidates.get(i));//candidates is a vector<String>                              
                str1 = st1.nextToken();
               
                for(int j=i+1; j<candidates.size(); j++)
                {
                    st2 = new StringTokenizer(candidates.elementAt(j));
                    str2 = st2.nextToken();
                   
                    tempCandidates.add(str1 + " " + str2);//tempcandidates is a vector<String>  
                }
            } 

Instead of using an ArrayList I need to use a HashMap which holds the value and its associated count.I am unable to figure out what to use in place of indexes(i and j)
Please help me
Thanks in advance

[Jesper de Jong]

Please do not ask the same question in multiple forums - CarefullyChooseOneForum

I am locking this copy; continue in the other copy of your question.