private void setSelectDeselect(int cat, String itemName, boolean selected) { int catIndex = listOfIntegers.indexOf(cat); Vector vect = listOfVectors.get(catIndex); int index = vect.indexOf(itemName); if (selected) { vect.set(index,DisplayConstants.OPT_USED + itemName); } else { index = vect.indexOf(DisplayConstants.OPT_USED + itemName); if (index == -1) { return; } vect.set(index, itemName); } }