28 lines
1.0 KiB
Java
28 lines
1.0 KiB
Java
|
//: concurrency/SleepingTask.java
|
||
|
|
// Calling sleep() to pause for a while.
|
||
|
|
import java.util.concurrent.*;
|
||
|
|
|
||
|
|
public class SleepingTask extends LiftOff {
|
||
|
|
public void run() {
|
||
|
|
try {
|
||
|
|
while(countDown-- > 0) {
|
||
|
|
System.out.print(status());
|
||
|
|
// Old-style:
|
||
|
|
// Thread.sleep(100);
|
||
|
|
// Java SE5/6-style:
|
||
|
|
TimeUnit.MILLISECONDS.sleep(100);
|
||
|
|
}
|
||
|
|
} catch(InterruptedException e) {
|
||
|
|
System.err.println("Interrupted");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
public static void main(String[] args) {
|
||
|
|
ExecutorService exec = Executors.newCachedThreadPool();
|
||
|
|
for(int i = 0; i < 5; i++)
|
||
|
|
exec.execute(new SleepingTask());
|
||
|
|
exec.shutdown();
|
||
|
|
}
|
||
|
|
} /* Output:
|
||
|
|
#0(9), #1(9), #2(9), #3(9), #4(9), #0(8), #1(8), #2(8), #3(8), #4(8), #0(7), #1(7), #2(7), #3(7), #4(7), #0(6), #1(6), #2(6), #3(6), #4(6), #0(5), #1(5), #2(5), #3(5), #4(5), #0(4), #1(4), #2(4), #3(4), #4(4), #0(3), #1(3), #2(3), #3(3), #4(3), #0(2), #1(2), #2(2), #3(2), #4(2), #0(1), #1(1), #2(1), #3(1), #4(1), #0(Liftoff!), #1(Liftoff!), #2(Liftoff!), #3(Liftoff!), #4(Liftoff!),
|
||
|
|
*///:~
|