ThreadPoolExample.java

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

public class ThreadPoolExample
{
// --------------------------- main() method ---------------------------

    public static void main( String[] args )
    {
        final long start = System.currentTimeMillis();

        ExecutorService executor = Executors.newFixedThreadPool( 1 );
        for ( int i = 0; i < 10; i++ )
        {
            final int threadId = i;
            executor.execute( new Runnable()
            {
                public void run()
                {
                    try
                    {
                        Thread.sleep( 10 );
                        long duration = System.currentTimeMillis() - start;
                        System.out.println( duration + " - finishing thread " + threadId );
                    }
                    catch ( InterruptedException ignored )
                    {
                    }
                }
            } );
        }
        executor.shutdown();

        // Wait until all threads are finish
        while ( !executor.isTerminated() )
        {
        }
        System.out.println( "Finished all threads" );
    }
}