Re: [jgrapht-users] Bug in removeAllEdges?

[John V. S. <js...@gm...>]

Trevor Harmon wrote:
> The attached program throws a ConcurrentModificationException, and I 
> don't know why. Even stranger, if outgoingEdgesOf is changed to edgesOf, 
> the exception is not thrown. Doesn't make sense. Is this a bug?

Not a bug, unless you consider the program below to indicate a bug in 
the JDK :)

The outgoingEdgesOf vs edgesOf behavior is just a matter of getting 
lucky with one.

JVS

----

import java.util.*;

public class Goodbye
{
     public static void main(String [] args)
     {
         List<String> list = new ArrayList<String>();
         list.add("arm");
         list.add("leg");
         List<String> sublist = list.subList(0,1);
         list.removeAll(sublist);
     }
}