I do have getter and setter on websiteName, but validator don't see this.
package com.codegym.task.task28.task2810;
import com.codegym.task.task28.task2810.model.Provider;
public class Aggregator {
public static void main(String[] args) {
Provider provider = new Provider(null);
Controller controller = new Controller(provider);
System.out.println(controller);
}
}