java list 안전하게 제거

List<String> list = new ArrayList<>(); 

Iterator<String> iterator = list.iterator(); // while (iterator.hasNext()) { 

for (Iterator<String> iterator = list.iterator(); iterator.hasNext();) { 

String string = iterator.next(); 

if (string.isEmpty()) { 

// Remove the current element from the iterator and the list. 

iterator.remove(); } 

}