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Oh wait, I understand.
So I have done that now, and it all goes a I wish it would.

Thanks for the help Norm.

Isn't there just a fiction to make in a HashMap a key diffrent?

Like:
(key) Index = (value) text
(key) Max = (value) boy
(key) Rose = (value) girl

And then change it to:
(key) Index =...

But then everything breaks.
And that is also not what I want.

I now now why I have this error.

Is there any way I can stop that while loop when
if (key.equalsIgnoreCase(ArrayKey2))
is runned?

Or like to break this: Object keyObj = keyIterator.next();...

I have made a part of my program that needs to match something out of an arrayList with Hashmap key.
When there is a match, I would like it to replace the key with the key from the ArrayList....