Java OOP doubt?

Question

If I have class named wheels then how can I call 4 different methods from wheels class to the main class with an array list (collection) as four different object.

Answer 1

Here's an example on how to call methods from a class in the main class.
https://code.sololearn.com/c9Febn4nC2Ux/?ref=app

Answer 2

you could also use interfaces if you wish to run different code every time a method is called.
https://code.sololearn.com/cWgLCkjFySW5/?ref=app