there are two seperated files for the vector. Foodmen and FoodOrd
 
Vector foodVec, ordfVec;
 
 
int fIndex = foodMenuList.getSelectedIndex();
ordfVec.add(new FoodOrd(((FoodMen)foodVec.elementAt(fIndex)).getFmName(),
  	((FoodMen)foodVec.elementAt(fIndex)).getFmPrice()));
  	
  	foodOrderList.setListData(ordfVec);
	

int fIndex = foodMenuList.getSelectedIndex();
ordfVec.add(new FoodOrd(((FoodMen)foodVec.elementAt(fIndex)).getFmName(), ((FoodMen)foodVec.elementAt(fIndex)).getFmPrice()));
foodOrderList.setListData(ordfVec);

// Get selected food item
int fIndex = foodMenuList.getSelectedIndex();
FoodMen currentFoodMen = (FoodMen)foodVec.elementAt(fIndex);
 
// Get food item data
int currentFoodPrice = currentFoodMen.getFmPrice();
String currentFoodName = currentFoodMen.getFmName();
 
// Create a new order
FoodOrd newOrder = new FoodOrd(currentFoodPrice, currentFoodName);
ordfVec.add(newOrder);