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Editorial Team
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Asked: 2026-05-26T19:14:16+00:00

I have a table consisting 10 columns in database. One of the columns have

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I have a table consisting 10 columns in database. One of the columns have alphaneumaric values which was set as a key for the hashmap which will have all the values as objects for each row in the hashmap.
example : A10 (key) , rowobj(Class). Now in that same column another value is present as A10. So now if we are trying to load the values to hashmap from the tableas the key name is same will there be multiple values enrolled to that same key name?

Also can we combine the values of 2 columns to create a unique key for the hash map? How to do that?

Thanks

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1 Answer

  1. Editorial Team

    Can’t you use primary key of the table as the key of your HashMap ?

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