Department Bean

public class Department {
    private String name;
    private Employee chief;
    private List staff = new ArrayList();

    public Department(String name) {
        this.name = name;
    }

    public Department(String name, Employee chief, List staff) {
        this.name = name;
        this.chief = chief;
        this.staff = staff;
    }

    public void addEmployee(Employee employee) {
        staff.add(employee);
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Employee getChief() {
        return chief;
    }

    public void setChief(Employee chief) {
        this.chief = chief;
    }

    public List getStaff() {
        return staff;
    }

    public void setStaff(List staff) {
        this.staff = staff;
    }
}