sample.java

import java.util.*;
import java.util.concurrent.*;

public class Sample {
	public static void main(String[] args) throws Exception {
	  ExecutorService executorService = Executors.newFixedThreadPool(10);
	  
	  for(int i = 0; i < 10; i++) {
	    final int index = i;
	    executorService.submit(new Runnable() {
	      public void run() {
	        System.out.println("Running task " + index);
	      }
	    });
	  }
	  
	  System.out.println("Tasks started...");
	  executorService.shutdown();
  }
}