public static void main(String[] args) {
		Thread test1 = new Thread() {
			public void run() {
				try {
					for(;;) {
						Additional2.printAddResult(1);
						Thread.sleep(1000);
					}
				} catch (InterruptedException e) {
					return;
				}
			}
		};

		Thread test2 = new Thread() {
			public void run() {
				try {
					for(;;) {
						Additional2.printAddResult(2);
						Thread.sleep(1000);
					}
				} catch (InterruptedException e) {
					return;
				}
			}
		};

		Thread test3 = new Thread() {
			public void run() {
				try {
					for(;;) {
						Additional2.printAddResult(3);
						Thread.sleep(1000);
					}
				} catch (InterruptedException e) {
					return;
				}
			}
		};

		test1.start();
		test2.start();
		test3.start();
	}