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TicketsDemo.java
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41 lines (33 loc) · 995 Bytes
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import java.nio.channels.SeekableByteChannel;
public class TicketsDemo implements Runnable {
private int tickets = 10000 ;
//买火车票
@Override
public void run() {
while(true){
//买火车票
sell();
}
}
// public synchronized void sell(){
// if(tickets > 0){
// tickets -- ;
// System.out.println(Thread.currentThread().getName()+"-正在售卖,剩余票数：" + tickets );
// }
// }
public void sell(){
synchronized (this) {
if (tickets > 0) {
tickets--;
System.out.println(Thread.currentThread().getName() + "-正在售卖,剩余票数：" + tickets);
}
}
}
public static void main(String[] args) {
TicketsDemo ticket = new TicketsDemo() ;//Rnnable
Thread a = new Thread(ticket,"a");
Thread b = new Thread(ticket,"b");
a.start();
b.start();
}
}