How objects can be modeled?

Answer 1

https://www.oorexx.org/docs/rexxpg/x871.htm

Answer 2

یاور بلتستانی

Helpful resources that will help you for sure!

And even you can indicate the part in which you was having issue... Then we can even help you directly 👍

Resources
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https://medium.com/@hpadkisson/object-modeling-for-designers-an-introduction-7871bdcf8baf

http://www.javapractices.com/topic/TopicAction.do?Id=187

http://umlguide2.uw.hu/ch22lev1sec3.html

https://en.m.wikipedia.org/wiki/Object_model

The one I will recommend as best -
https://www.geeksforgeeks.org/types-of-models-in-object-oriented-modeling-and-design/

Hope helps✌️