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//Ïß³ÌÀà
class SellThread implements Runnable {
int tickets = 100;
public void run() {
synchronized (this) {
while (tickets > 0) {
System.out.println(Thread.currentThread().getName()
+ " sell ticket: " + tickets);
tickets--;
}
}
}
}

//²âÊÔÀà
public class TicketsSystem {
public static void main(String[] args) {
SellThread st = new SellThread();
new Thread(st).start();
new Thread(st).start();
new Thread(st).start();
new Thread(st).start();
}
}

ÔËÐеĽá¹ûÊÇ£ºÖ»ÓеÚÒ»¸öÏß³ÌÔÚÂôƱ
//Ïß³ÌÀà
class SellThread implements Runnable {
int tickets = 100;
public void run() {
while(true){
if(tickets>0){
count();
}else{
break;
}
}
}
public void count(){
synchronized(this)
{
System.out.println(Thread.currentThread().getName()
+ " sell ticket: " + tickets);
tickets--;
}
}
}

//²âÊÔÀà
public class TicketsSystem {
public static void main(String[] args) {
SellThread st = new SellThread();


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