Create some Thread / Timer

ThreadExample.java

public class ThreadExample {

    public static void main(String[] args) {
	try {
	    System.out.println("Starting Thread...");
	    runner r = new runner();
	    r.start();
	    Thread.sleep(5_000);
	    r.halt();
	    System.out.println("Stopped Thread...");

	} catch (Exception e) {
	    e.printStackTrace();
	}
    }

    private static class runner extends Thread {
	private boolean running = true;

	public void run() {
	    while (running) {
		try {
		    // Do something...
		    System.out.println("Thread: still there");
		    Thread.sleep(1_000);
		} catch (InterruptedException e) {
		    e.printStackTrace();
		}
	    }
	}

	public void halt() {
	    running = false;
	}
    }
}