Bug in ArrayList iterator

[Daniel Fuchs]

Interesting... I would have expected it to throw 
java.util.ConcurrentModificationException right
away, but it only does so if the list contains
exactly 1 or more than 2 elements...

best regards,

-- daniel

On 07/01/15 10:45, Remi Forax wrote:
> A simple Java question, what this code does ?
>
>    ArrayList<String> list = new ArrayList<>();
>    list.add("foo");
>    list.add("bar");
>    for(String s: list) {
>      list.remove(s);
>    }
>
> :(
>
> Rémi
> tip: the bug lies in ArrayList.Itr.hasNext() (and
> AbstractList.Itr.hasNext()).
>