我无法找到这个问题的解决方案。我在某些时候搞砸了,但不确定。请提出您的建议来克服这个问题。
问题:
有三个数组,每个数组都分配给线程,输出应该是按顺序...
t1 ={1,4,7} t2 ={2,5,8} t3 ={3,6,9}
预期产出
出 = {1,2,3,4,5,6,7,8,9}
我试过:
public class Worker extends Thread {
Worker next;
int[] val;
Object lock = new Object();
Worker(int[] val) {
this.val = val;
}
public void setnext(Worker next) {
this.next = next;
}
@Override
public void run() {
for (int i = 0; i < val.length; i++) {
synchronized (this) {
synchronized (next) {
System.out.println(val[i]);
next.notify();
}
synchronized (this) {
try {
this.wait();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
synchronized(next){
next.notify();
}
}
}
}
和测试班
public class TestWorker {
public static void main(String[] args) throws Exception{
Worker worker1 = new Worker(new int[]{1,4,7});
Worker worker2 = new Worker(new int[]{2,5,8});
Worker worker3 = new Worker(new int[]{3,6,9});
worker1.setnext(worker3);
worker2.setnext(worker1);
worker3.setnext(worker2);
worker1.start();
worker2.start();
worker3.start();
}
}