Java Programming

I have this arrayList, with these values:

2007-6-15
2006-6-15
2005-6-15

My problem: We deal with Ingres. Ingres dates have months 1-12. Java months are 0-11. To get things to work between the two, I have to add and subtract a month to get them to represent the same dates.

These dates actually should represent 2007-JULY-15, not 2007-JUNE-15, which is how it looks.

Do you know how to cut the arrayList up, change the month string to an int so I can add one and put it back together so I can tick through it with the iterator. I've been trying many different things, but nothing seems to work.

ArrayList datesList = DAO.findPtoDatesList(request.getRemoteUser().toString());

ArrayList showYearList = new ArrayList();
List temp1 = new ArrayList();
List temp2 = new ArrayList();
List temp3 = new ArrayList();

for (int i = 0; i < historyDatesList.size(); i++){

temp1 = historyDatesList.subList(0,historyDatesList.indexOf("-"));
System.out.println("temp1="+temp1);

**it chokes right there - doesn't return my temp1, let alone try parsing anything..

showYearList.add(temp1+"-"+temp2+"-"+temp3);
}

Any suggestions would be wonderful.