-
Notifications
You must be signed in to change notification settings - Fork 160
/
CallableDemo.java
31 lines (26 loc) · 940 Bytes
/
CallableDemo.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.FutureTask;
/*class MyThread implements Runnable{
public void run(){
}
}*/
class MyThread implements Callable<Integer> {
public Integer call() throws Exception{
System.out.println(".........come in callable");
return 1024;
}
}
/*
*
* */
public class CallableDemo {
public static void main(String[] args) throws InterruptedException, ExecutionException {
FutureTask<Integer> futureTask = new FutureTask<>(new MyThread());
Thread t1 = new Thread(futureTask,"AA");
t1.start();
int r1 = 100;
int r2 = futureTask.get();//要求获得Callable线程的计算结果,如果没有计算完成就要强求,会导致阻塞,知道计算完成,建议放在最后
System.out.println(".....result"+r1+r2);
}
}