days.add(day4);
days.add(day5);
worker1.setDays(days);
worker3.setDays(days);
Manager manager1 = new Manager("Jean Duverge", 57, "Tetra Pack", "Sales");
Manager manager2 = new Manager("Eric Mento", 49, "Tetra Pack", "Marketing");
worker1.setMainManager(manager1);
worker2.setMainManager(manager1);
worker3.setMainManager(manager2);