标题: 线程同步问题 [打印本页] 作者: 随风永夜 时间: 2014-12-16 18:34 标题: 线程同步问题 class Res
{
String name;
String sex;
boolean flag = false;
}
class Input implements Runnable
{
private Res r ;
Input(Res r)
{
this.r = r;
}
public void run()
{
int x = 0;
while(true)
{
synchronized(r)
{
if(r.flag)
try{r.wait();}catch(Exception e){}
if(x==0)
{
r.name="mike";
r.sex="man";
}
else
{
r.name="丽丽";
r.sex = "女女女女女";
}
x = (x+1)%2;
r.flag = true;
r.notify();
}
}
}
}
class Output implements Runnable
{
private Res r ;
Output(Res r)
{
this.r = r;
}
public void run()
{
while(true)
{
synchronized(r)
{
if(!r.flag)
try{r.wait();}catch(Exception e){}
System.out.println(r.name+"...."+r.sex);
r.flag = false;
r.notify();
}
}
}
}
class Demo
{
public static void main(String[] args)
{
Res r = new Res();
Input in = new Input(r);
Output out = new Output(r);
Thread t1 = new Thread(in);
Thread t2 = new Thread(out);
t1.start();
t2.start();
}
}