Review my java code

Question

This is my first OOP Java code . It is working properly without any error but is it correct?
https://code.sololearn.com/cCHSq37VXdMQ/?ref=app

Answer 1

Everything is great. Carry on like that. Try to use interfaces and abstract classes next time.

Answer 2

Yea it is correct.
Congrats for attempting ro make a Java code

Answer 3

congrats ya👍👌

Answer 4

You've got the hang of OOP.