package t1;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
public class TestThread16 {
public static void main(String[] args) {
ExecutorService es = Executors.newFixedThreadPool(3);
System.out.println(Runtime.getRuntime().availableProcessors());// 可用线程数,加上主线程共4个
for (int i = 0; i < 10; i++) {
final int index = i;
es.execute(new Runnable() {
public void run() {
System.out.println(Thread.currentThread().getName() + " " + index);
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
});
}
}
}
结果:
固定线程个数,任务执行完成后,线程回收到线程池,程序不会终止