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public class Test7 {
public static void main(String[] args)
{
//开启5个窗口买票
new Thread(new SealWindow("1号售票窗口")).start();
new Thread(new SealWindow("2号售票窗口")).start();
new Thread(new SealWindow("3号售票窗口")).start();
new Thread(new SealWindow("4号售票窗口")).start();
new Thread(new SealWindow("5号售票窗口")).start();
}
}
class Ticket//设置Ticket属性只有id
{
private int id;
Ticket(int id)
{
this.id = id;
}
public int getId()
{
return id;
}
}
class TicketSealCenter
{
private int totalTickets = 100;//一共有100张票
private static ArrayList<Ticket> al = new ArrayList<Ticket>();
//只有一个售票中心，所以用单例设计模式返回售票中心的对象。
private TicketSealCenter(){
for(int id = 1;id<=totalTickets;id++)//给每个票加上号码
{
Ticket tic = new Ticket(id);
al.add(tic);//将有编号的票全部存入集合中
}
};
private static TicketSealCenter tsc = new TicketSealCenter();
public static TicketSealCenter getTicketSealCenter()
{
return tsc;//返回售票中心的单例对象
}
//得到一个装着所有票的集合
public ArrayList<Ticket> getAllTickets()
{
return al;
}
}
class SealWindow implements Runnable
{
String name = null;
Object obj = new Object();
TicketSealCenter tsc = TicketSealCenter.getTicketSealCenter();
ArrayList<Ticket> al = tsc.getAllTickets();
SealWindow(String name)//传入窗口的名字
{
this.name = name;
}
@Override
public void run() {
Iterator<Ticket> it = al.iterator();
while(it.hasNext())
{
Ticket t = al.remove(0);
int num = t.getId();
System.out.println(this.name+""+num);
}
}
}

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