How to make query and abstraction in Java

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How to make query and abstraction in Java

Hi,

I read the lessons you have in the sites. They are really useful. However, I could not write codes write. I am very beginner in Java I don't know anything in it. I am using PostgreSQL database, and I want to make a query and abstraction for a table.

Could you help me please ASAP?

Thanks, Dalia

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