//EmployeeTest.java 
import java.util.*; //引入java.util软件包中的所有类
import corejava.Day; //引入corejava软件包中的Day类
public class EmployeeTest
{
 public static void main(String[] args)
 {
  Employee[] staff = new Employee[3]; //创建类型数组对象
  staff[0] = new Employee("Harry hacker",35000,
             new Day(1989,10,1)); //给第一个数组对象赋初值
  staff[1] = new Employee("Carl Cracker",75000,
             new Day(1987,12,15)); //给第二个数组对象赋初值
  staff[2] = new Employee("Tony Tester",38000,
             new Day(1990,3,15)); //给第三个数组对象赋初值
  int i;
  for(i=0;i<3;i++)
     staff[i].raiseSalary(5);
  for(i=0;i<3;i++)
     staff[i].print();
  }
}

class Employee //定义类
{
 public Employee(String n,double s,Day d) //定义公有的构造方法
 {
  name = n;
  salary = s;
  hireDay = d;
 }
 public void print() //定义公有方法
 {
  System.out.println(name+" "+salary+" "+hireYear()); //显示雇员姓名,薪金和雇佣年份
 }
 public void raiseSalary(double byPercent) //定义公有的方法
 {
  salary *= 1 + byPercent / 100; //增加薪金
 }
 public int hireYear()
 {
  return hireDay.getYear(); //雇用年份
 }
 private String name;
 private double salary;
 private Day hireDay;
}