public static void main(String[] args) {
List<String> list = new ArrayList<>();
list.add("1");
list.add("2");
list.add("1");
Iterator<String> iterator = list.iterator();
while(iterator.hasNext()){
String it = iterator.next();
if("1".equals(it)){
iterator.remove();
}
}
System.out.println(list.toString());
}
