public class Resource {
String name;
String sex;
boolean flag = false;
int x = 0;
public synchronized void set(String name, String sex){
while (flag)
try{
this.wait();
}catch(InterruptedException e){}
this.name = name;
this.sex = sex;
flag = true;
this.notifyAll();
x = (x+1)%2;
}
public synchronized void out(){
while (!flag)
try{
this.wait();
}catch(InterruptedException e){}
System.out.println(name+"...."+sex);
flag = false;
this.notifyAll();
}
}
-----------------------------------------------------------------------------------------
public class Input implements Runnable {
Resource r;
int x = 0;
Input(Resource r){
this.r = r;
}
@Override
public void run() {
while (true){
if (r.x == 0)
r.set("mike", "man");
else
r.set("丽丽", "女女女女女女女女");
}
}
}
--------------------------------
public class Output implements Runnable {
Resource r;
Output(Resource r)
{
this.r = r;
}
@Override
public void run() {
while(true)
{
r.out();
}
}
}
----------------------
public class ResourceDemo {
public static void main(String[] args) {
Resource r = new Resource();
Input in = new Input(r);
Output out = new Output(r);
Thread t1 = new Thread(in);
Thread t3 = new Thread(in);
Thread t5 = new Thread(in);
Thread t6 = new Thread(in);
Thread t7 = new Thread(in);
Thread t8 = new Thread(in);
Thread t9 = new Thread(in);
Thread t10 = new Thread(in);
Thread t11 = new Thread(in);
Thread t12 = new Thread(in);
Thread t2 = new Thread(out);
Thread t4 = new Thread(out);
t1.start();
t2.start();
t3.start();
t4.start();
t5.start();
t6.start();
t7.start();
t8.start();
t9.start();
t10.start();
t11.start();
t12.start();
}
}运行结果：我想要的结果是丽丽 和 Mike 交替出现，为什么会出现这种 重复出现丽丽 又重复出现Mike 的现象呢？ 求大神分析一下
变成自问自答了
分析了一下午，发现问题就是出自这里。
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