How to restart Service as root without a password prompt from application

Hello there,

I want to restart my java application which is running on Ubuntu 16.04 as service. But the problem I have is on Ubuntu when I want to restart my java application service, I do as follows

sudo service myapp restart

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and then Ubuntu asks for password. Now how can I tell Ubuntu to not ask password when I send this cmd from my application.

//Restart application server
		router.get("/restartAppService").handler(ctx -> {
			/* Build command: sudo service AooService stop */
			  final ArrayList<String> command = new ArrayList<String>();
			  command.add("sudo service TutisService restart");
			  System.out.println("CMD ----"+command.toString());
			  final ProcessBuilder builder = new ProcessBuilder(command);
			  	try {
			  		builder.start();
				} catch (IOException e) {
					System.out.println("EXCEPTION WHILE RESTARTING SERVICE----"+e.getMessage());
					e.printStackTrace();
				}
			  //System.exit(0);
		});

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Any help will be appreciated!!

cheers
Zolf