Java实验项目三——面向对象定义职工类和日期类

Program：按照如下要求设计类：

（1）设计一个日期类，用于记录年、月、日，并提供对日期处理的常用方法。

（2）设计一个职工类，该职工类至少具有下面的属性：职工号，姓名，性别，生日，工作部门，参加工作时间，设计相应的方法。

（3）设计一个测试类，采用对象数组模拟一个拥有10个职工的单位。



以下是日期类和员工类的实现

/*
 * Description:定义日期时间类
 * 
 * Written By:Cai
 * 
 * Date Written:2017-10-09
 * 
 * 
 * */

package entity;

public class MyDate {

    private String year;    //年
    private String month;   //月
    private String day;     //日
    
　　//定义构造方法
    public MyDate() {
        
    }
    
    public MyDate(String year,String month,String day) {
        
        this.year = year;
        this.month = month;
        this.day = day;
    }

    
    //定义setter和getter方法
    public String getYear() {
        return year;
    }

    public void setYear(String year) {
        this.year = year;
    }

    public String getMonth() {
        return month;
    }

    public void setMonth(String month) {
        this.month = month;
    }

    public String getDay() {
        return day;
    }

    public void setDay(String day) {
        this.day = day;
    }

    //覆写toString()方法
    public String toString() {
        return this.year + "年" + this.month + "月" + this.day + "日";
    }

}

 1 /*
 2  * Description:定义职工类
 3  * 
 4  * Written By:Cai
 5  * 
 6  * Date Written:2017-10-09
 7  * 
 8  * 
 9  * */
10 
11 package entity;
12 
13 import entity.MyDate;
14 
15 public class Worker {
16 
17     String workerId;        //职工号
18     String workerName;        //职工姓名
19     String workerSex;        //职工性别
20     String workerPartment;    //职工部门
21     MyDate workerBirthday;    //职工生日
22     MyDate workerBeginDate;    //职工开始工作时间
23     
24 
25     //定义构造方法
26     public Worker() {
27         
28     }
29     
30     public Worker(String id,String name,String sex,String partment,MyDate birthday,MyDate beginDate) {
31         
32         this.workerId = id;
33         this.workerName = name;
34         this.workerSex = sex;
35         this.workerPartment = partment;
36         this.workerBirthday = birthday;
37         this.workerBeginDate = beginDate;
38     }
39 
40     
41     //定义setter和getter方法
42     public String getWorkerId() {
43         return workerId;
44     }
45 
46     public void setWorkerId(String workerId) {
47         this.workerId = workerId;
48     }
49 
50     public String getWorkerName() {
51         return workerName;
52     }
53 
54     public void setWorkerName(String workerName) {
55         this.workerName = workerName;
56     }
57 
58     public String getWorkerSex() {
59         return workerSex;
60     }
61 
62     public void setWorkerSex(String workerSex) {
63         this.workerSex = workerSex;
64     }
65 
66     public String getWorkerPartment() {
67         return workerPartment;
68     }
69 
70     public void setWorkerPartment(String workerPartment) {
71         this.workerPartment = workerPartment;
72     }
73 
74     public MyDate getWorkerBirthday() {
75         return workerBirthday;
76     }
77 
78     public void setWorkerBirthday(MyDate workerBirthday) {
79         this.workerBirthday = workerBirthday;
80     }
81 
82     public MyDate getWorkerBeginDate() {
83         return workerBeginDate;
84     }
85 
86     public void setWorkerBeginDate(MyDate workerBeginDate) {
87         this.workerBeginDate = workerBeginDate;
88     }
89 
90     //覆写toString方法
91     @Override
92     public String toString() {
93         return "Worker [workerId=" + workerId + ", workerName=" + workerName
94                 + ", workerSex=" + workerSex + ", workerPartment="
95                 + workerPartment + ", workerBirthday=" + workerBirthday
96                 + ", workerBeginDate=" + workerBeginDate + "]";
97     }
98     
99 }

 1 /*
 2  * Description:定义测试类，模拟十个职工的单位
 3  * 
 4  * Written By:Cai
 5  * 
 6  * Date Written:2017-10-09
 7  * 
 8  * */
 9 
10 package main;
11 
12 import entity.*;
13 
14 public class TestDemo {
15 
16     public static void main(String args[]) {
17         
18         Worker[] workers = new Worker[10];        //声明Worker类数组对象，大小为10
19         
20         //为数组对象依次赋值
21         for( int i = 0; i < 10; i++ ) {
22             
23             workers[i] = new Worker("00000" + i,"worker_" + i,"男","办公室" + i,new MyDate("2017","10",(i + 1) + "" ),new MyDate("2017","11","" + (i + 1) ));
24         }
25         
26         //打印数组对象
27         display(workers);
28         
29     }        
30     
31     //定义方法，打印Worker类的数组对象信息
32     public static void display(Worker[] workers) {
33         
34         for( int i = 0; i < workers.length; i++ ) {
35             System.out.println( workers[i] );
36         }
37     }
38     
39 }