import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
public class Example {
public static void main(String[] args) {
ExecutorService executor = Executors.newFixedThreadPool(5);
for (int i = 0; i < 10; i++) {
final int task = i;
executor.execute(new Runnable() {
public void run() {
System.out.println("Task " + task + " is running.");
}
});
}
executor.shutdown();
}
}