How to write app class for proc run?

[None None]

So far I have this... But I cant seem to get it to stop when I execute it...
Thanks
public class Executer
{
        private static Executer daemon = null;
        private boolean state = false;
        public static void main(String[] args)
        {
       if(daemon == null)
       {
           daemon = new Executer();
                        try
                        {
                daemon.init();
           }
                        catch(Throwable t)
                        {
                                t.printStackTrace();
                                return;
           }
       }
                if(args.length > 0)
                        if(args[0].equals("start"))
                                daemon.start();
                        else if(args[0].equals("stop"))
                                daemon.stop();
        }
        public void init()
        {
                state = true;
        }
        public void start()
        {
                while(state)
                {
                        System.out.println("Running...");
                        try
                        {
                                Thread.sleep(1000);
                        }
                        catch (InterruptedException e)
                        {
                                e.printStackTrace();
                        }
                }
        }
        public void stop()
        {
                state = false;
        }
}
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