Help - Agenda (program)

Good evening, I am beginner in Java and I just did a training in Java where I just absorbed, not because the teacher but by my inability in the area.
I have an exercise to solve minina and I have no idea what to do!
The program is an address book with a simple menu (in syso) and a class contact with the attributes (id, name, phone and email) and methods (getters and setters, and toString) gotta turn this attributes to a database data (postgre) and allow the execution of the following "orders" Register, query, delete, update, list all.
Where do I start?
I'm desperate!

Quote:

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Originally Posted by held

Good evening, I am beginner in Java and I just did a training in Java where I just absorbed, not because the teacher but by my inability in the area.
I have an exercise to solve minina and I have no idea what to do!
The program is an address book with a simple menu (in syso) and a class contact with the attributes (id, name, phone and email) and methods (getters and setters, and toString) gotta turn this attributes to a database data (postgre) and allow the execution of the following "orders" Register, query, delete, update, list all.
Where do I start?
I'm desperate!

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This site is usually a good place to start, to help you organize your thoughts: So, You Need to Write a Program but Don't Know How to Start.

In the very least, it should help you organize things enough to be able to ask an answerable question. Best of luck!