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如何为工人制定时间表？例如，我想创建一个具有姓名和他需要工作多少工作时间的工人。另外我想为每个工人设定一个具体的工作时间，具体的休息时间和他们应该开始工作的开始时间。我正在寻找的是这个结果：

9:00 Worker 1
10:00 break
10:15 Worker 2
11:15 break

以此类推，直到所有工人的工作时间结束。

当前代码：

import java.awt.List;
import java.util.ArrayList;
import java.util.Calendar;

public class Main { 

    public static void main(String[] args) {

        Schedule s1 = new Schedule(); 
        s1.addSchedule("John", 120);    // 2hours
        s1.addSchedule("William", 180);  // 3 hours 

        Schedule s;

        ArrayList<String> eventData = new ArrayList<String>();
        for(ScheduleBlock ev : s.getSchedule())
        {
            eventData.add(ev.getStartTime().get(Calendar.HOUR_OF_DAY)+":" + ev.getStartTime().get(Calendar.MINUTE) +" " + ev.getTopic() + " (" + ev.getDuration() + ")" );
        }

        System.out.println(eventData);
    }

}

import java.awt.List;
import java.util.ArrayList;
import java.util.Calendar;

public class Schedule {

    private ArrayList<Worker> workers = new ArrayList<Worker>();
    private ArrayList<ScheduleBlock> schedule = new ArrayList<ScheduleBlock>(); 

    public void addSchedule(String name, int duration){
        workers.add(new Worker(name, duration));
      }

     public List<Worker> getWorkers() { return workers; }
     public List<ScheduleBlock> getSchedule() { return schedule; }


     public void generateStudyPlan(){
        schedule = new ArrayList<ScheduleBlock>();
            for(Worker w : workers){
                    schedule.add(new ScheduleBlock(w.getSubject(), Calendar.getInstance(), w.getDuration()));
                }           
            }        

     public void generateStudyPlan(Calendar startStudy) { }
     public void setBlockSize(int size) { }
     public void setBreakLength(int i) { }
}

public class Worker {
    private String name;
    private int duration;

    public Worker(String name, int duration)
    {
        this.name = name;
        this.duration = duration;
    }

    public String getSubject() { return name; }
    public int getDuration() { return duration; }
}

ScheduleBlock 类：

import java.util.Calendar;

public class ScheduleBlock {
    private String subject;
    private Calendar startTime;
    private int duration;


    public ScheduleBlock(String subject, Calendar startTime, int duration)
    {
        this.subject = subject;
        this.startTime = startTime;
        this.duration = duration;
    }

    public String getTopic(){ return subject; }
    public int getDuration() { return duration; }
    public Calendar getStartTime() { return startTime; }
}

我无法添加开始时间并将我的 Arraylist 设置为从该时间开始。我也无法设置休息时间

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1 回答 1

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首先，你还没有初始化Schedule s

    Schedule s;  // hasn't been initialized

    ArrayList<String> eventData = new ArrayList<String>();
    for(ScheduleBlock ev : s.getSchedule())  // you're trying to use s here
于 2013-11-08T12:07:43.847 回答