You could help me with this exercise, I am a beginner in this subject and I don't know how to do it :c Help

Question

Design a Java application that allows to simulate the
operation of an inventory of products, which
should be stored in a pile.
The application should contain a menu that
allows you to save, print and delete products, as well as
an option to exit the application. To store
products must create the class Product with at least
4 attributes.

Answer 1

No, without an attempt

Answer 2

So post it here

Answer 3

I have several, but they didn't work :c

Answer 4

This is what I have

https://code.sololearn.com/cXa9toNF2vni/?ref=app
https://code.sololearn.com/cqT51w02b7m5/?ref=app
https://code.sololearn.com/cfGhS2rOC959/?ref=app