/* package whatever; // don't place package name! */
 
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	private static ScheduledExecutorService executor = Executors.newScheduledThreadPool(1);
 
    private static class RunTest implements Runnable {
 
        public void run() {
 
            System.out.println("before");
 
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
 
            System.out.println("after");
        }
    }
 
    public static void testRun() {
 
        Runnable r = new RunTest();
 
        for (int counter = 0; counter < 10; ++counter) {
            executor.execute(r);
        }
    }
 
    public static void main(String[] args) throws Exception {
        testRun();
    }
}

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