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key design

key design# Java - 爪哇娇娃

p*p2006-10-11 07:10

1 楼

I am writing a DNS cache, map domain name and transport to DNS entry in a
Hashmap, both keys are string. I designed a key as a String=domain+transport
, well, it is not so intelligent, any other idea?

m*t2006-10-11 07:10

2 楼

I would have done transport+domain, which is a lot more intelligent.
No, I'm just kidding. What's wrong with domain+transport? In fact I can't
think of any better way to guarantee uniqueness.