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help , Concurrent Modification Exception

 
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Hi all.
I have the following XML file :

I am using JDOM 9 , I want to search for download element which its url subelement is equal to http://localhost and delete it.
this is the code :

I got the exception :
java.util.ConcurrentModificationException
any help ???
thanks...
 
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You can't remove items from a Collection you're iterating and then just continue iterating.
 
Hussein Baghdadi
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Thanks.
would you suggest a solution for my problem ??
 
Lasse Koskela
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You could iterate through all the nodes, add those you want to remove into a separate collection, and afterwards, iterator through that other collection calling remove() on each of them.

Here's what I mean in pseudo code:
 
Lasse Koskela
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Oh, and another option could be to access the nodes using an index like this:
 
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