Re: Removing object from arraylist when pointed to by iterator
nooneinparticular314159@yahoo.com wrote:
I have an arraylist of objects of a certain type. I use an iterator
on that arraylist to get the next instance of the object, using the
iterator.next() method. But if I succeed in performing an operation
on the object, I want to remove the object from my arraylist. The
question is how I remove it without calling .next() again, since
that
will remove the next one, not the current one? ie. If I am
currently
working on the object at position 4 in the arraylist (through the
iterator), I want to remove the object at position 4. But I don't
know what position the object is in because I got it through the
iterator.
If you call remove() on the iterator, you'll remove the last one
fetched. That is, code like
ArrayList<MyType> list;
for (Iterator<MyType> iter = list.iterator(); iter.hasNext(); )
{
MyType obj = list.next();
if (shouldBeRemoved(obj))
iter.remove();
}
does what you want.
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