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标题:
为什么Thread t2与t3交换位置运行的结果出现的线程不同??
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作者:
阿杰
时间:
2014-11-8 16:05
标题:
为什么Thread t2与t3交换位置运行的结果出现的线程不同??
class Resource
{
private String name;
private int count = 1;
private boolean flag = false;
public synchronized void set(String name)
{
if (flag)
try
{
this.wait();
}
catch (Exception e)
{
}
this.name = name+"....."+count++;
System.out.println(Thread.currentThread().getName()+"...生产者..."+this.name);
flag = true;
this.notify();
}
public synchronized void out()
{
if (!flag)
try
{
this.wait();
}
catch (Exception e)
{
}
System.out.println(Thread.currentThread().getName()+"..........消费者....."+this.name);
flag = false;
this.notify();
}
}
class Producer implements Runnable
{
private Resource r;
Producer(Resource r)
{
this.r = r;
}
public void run()
{
while (true)
{
r.set("商品");
}
}
}
class Consumer implements Runnable
{
private Resource r;
Consumer(Resource r)
{
this.r= r;
}
public void run()
{
while (true)
{
r.out();
}
}
}
class ProducerConsumerTest
{
public static void main(String[] args)
{
Resource r = new Resource();
Producer pro = new Producer(r);
Consumer con = new Consumer(r);
Thread t1 = new Thread(pro);
Thread t2 = new Thread(con);
Thread t3 = new Thread(pro);
Thread t4 = new Thread(con);
/*
Thread t1 = new Thread(pro);
Thread t2 = new Thread(pro);
Thread t3 = new Thread(con);
Thread t4 = new Thread(con);
*/
t1.start();
t2.start();
t3.start();
t4.start();
}
}
复制代码
作者:
一叶障目
时间:
2014-11-8 18:50
试着运行过,也没搞懂,求高手解答
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