Comparison of two collection objects
Hi allI need to compare 2 lists of e-mail addresses and eliminate common e-mail found in both lists.
Issues, it is each list contains more than 300,000 e-mail addresses. Is it possible to store values of this size in collectibles (for example, 'Set')?
What is the best way to do this?
Thanks in advance!
user3578038 wrote:
Issues, it is each list contains more than 300,000 e-mail addresses. Is it possible to store values of this size in collectibles (for example, 'Set')?
If you have the memory, of course.
What is the best way to do this?
I do it with the standard unix commands, concatenate lists and sort / uniq on it.
You are a spammer (or a spammer aspiring) or why do you 300 000 email addresses?
Tags: Java
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