I want to do this association but i have error in my system.out.println. thanks you.

Question

Système.out.println
https://code.sololearn.com/cY8S6loQ9w57/?ref=app

Answer 1

Also Add a default construtor in Books class as
Books() {}

And correct way of this statement :

System.out.println(location1.name + location2.namebook);
location3.Way();

Or make Way function to return something...