Java多线程之DaemonThreadFactory

package wzh.daemon;

import java.util.concurrent.ThreadFactory;

public class DaemonThreadFactory implements ThreadFactory {

@Override
public Thread newThread(Runnable r) {
Thread t = new Thread(r);
t.setDaemon(true);
return t;
}

}

package wzh.daemon;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;

public class DaemonFromFactory implements Runnable {
public static void main(String[] args) throws InterruptedException {
ExecutorService exec = Executors
.newCachedThreadPool(new DaemonThreadFactory());
for (int i = 0; i < 10; i++) {
exec.execute(new DaemonFromFactory());
}
System.out.println("All daemons started");
TimeUnit.MILLISECONDS.sleep(50000);
}

@Override
public void run() {
try {
while (true) {
TimeUnit.MILLISECONDS.sleep(100);
System.out.println(Thread.currentThread() + " " + this);
}
} catch (Exception e) {
System.out.println("Interrupted");
}
}

}