Тест — equals без переопределения

public class Main {
    public static void main(String[] args) {
        Box a = new Box(5);
        Box b = new Box(5);
        Box c = a;
        System.out.println(a.equals(b) + " " + a.equals(c));
    }
}

class Box { int n; Box(int n) { this.n = n; } }