// 聚合关系
// 以员工和部门之间的关系为例，演示部门类和员工类的聚合关系。
package aggregation;
public class Department {
Employee[] employees;
public static void main(String[] args) {
Employee e1 = new Employee();
Employee e2 = new Employee();
Employee e3 = new Employee();
Employee e4 = new Employee();
Department dept1 = new Department();
dept1.employees = new Employee[]{ e1,e2,e3 };
Department dept2 = new Department();
dept2.employees = new Employee[]{ e3,e4 };
System.out.println("123");
}
}
class Employee {}
