static ArrayList<KThread> threads = new ArrayList<KThread>();
	public static void threadJoin3() {

		for (int i = 1; i < 10; i++){
			threads.add(new KThread(new PingTest(i)).setName("forked thread " + i));
		}

		for (int i = 0; i < 10; i++){
			threads.get(i).fork();
			threads.get(i).join();
		}

	}