class MioThread extends Thread {
	MioThread(String id) {
		super(id);
		setDaemon(true);
	}

	public void run() {
		for (;;)
			System.out.println("Sono il thread " + getName());
	}
}

class ProvaThread {
	public static void main(String[] args) {
		MioThread t1 = new MioThread("************"),
			  t2 = new MioThread(".....");

		t1.start();
		t2.start();
	}
}