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jps- Thanks for your help, I'll continue trying and eventually solve it.

I also apologise for multiple site posting my intention was only to obtain several opinions and certainly not to try waste...

Thanks jps.
I have written down what I need to do, and I understand it in English, Unfortunately I do not understand it in Java!
Having written it down I have produced the above code and that...

Hi all
I need some help please with Java and arrays.
I have two arrays: customerID and transactionValue (they are pairs so each transaction has a customer ID and a customer may have made several...