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

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";
    }

}

/*
 * Description:定义职工类
 * 
 * Written By:Cai
 * 
 * Date Written:2017-10-09
 * 
 * 
 * */

package entity;

import entity.MyDate;

public class Worker {

    String workerId;        //职工号
    String workerName;        //职工姓名
    String workerSex;        //职工性别
    String workerPartment;    //职工部门
    MyDate workerBirthday;    //职工生日
    MyDate workerBeginDate;    //职工开始工作时间
    

    //定义构造方法
    public Worker() {
        
    }
    
    public Worker(String id,String name,String sex,String partment,MyDate birthday,MyDate beginDate) {
        
        this.workerId = id;
        this.workerName = name;
        this.workerSex = sex;
        this.workerPartment = partment;
        this.workerBirthday = birthday;
        this.workerBeginDate = beginDate;
    }

    
    //定义setter和getter方法
    public String getWorkerId() {
        return workerId;
    }

    public void setWorkerId(String workerId) {
        this.workerId = workerId;
    }

    public String getWorkerName() {
        return workerName;
    }

    public void setWorkerName(String workerName) {
        this.workerName = workerName;
    }

    public String getWorkerSex() {
        return workerSex;
    }

    public void setWorkerSex(String workerSex) {
        this.workerSex = workerSex;
    }

    public String getWorkerPartment() {
        return workerPartment;
    }

    public void setWorkerPartment(String workerPartment) {
        this.workerPartment = workerPartment;
    }

    public MyDate getWorkerBirthday() {
        return workerBirthday;
    }

    public void setWorkerBirthday(MyDate workerBirthday) {
        this.workerBirthday = workerBirthday;
    }

    public MyDate getWorkerBeginDate() {
        return workerBeginDate;
    }

    public void setWorkerBeginDate(MyDate workerBeginDate) {
        this.workerBeginDate = workerBeginDate;
    }

    //覆写toString方法
    @Override
    public String toString() {
        return "Worker [workerId=" + workerId + ", workerName=" + workerName
                + ", workerSex=" + workerSex + ", workerPartment="
                + workerPartment + ", workerBirthday=" + workerBirthday
                + ", workerBeginDate=" + workerBeginDate + "]";
    }
    
}

下面是测试类

/*
 * Description:定义测试类，模拟十个职工的单位
 * 
 * Written By:Cai
 * 
 * Date Written:2017-10-09
 * 
 * */

package main;

import entity.*;

public class TestDemo {

    public static void main(String args[]) {
        
        Worker[] workers = new Worker[10];        //声明Worker类数组对象，大小为10
        
        //为数组对象依次赋值
        for( int i = 0; i < 10; i++ ) {
            
            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) ));
        }
        
        //打印数组对象
        display(workers);
        
    }        
    
    //定义方法，打印Worker类的数组对象信息
    public static void display(Worker[] workers) {
        
        for( int i = 0; i < workers.length; i++ ) {
            System.out.println( workers[i] );
        }
    }
    
}