java chronometer

1public class Chrono {
2
3	private boolean running;
4	private long startTime;
5
6	public Chrono(){
7		running = false;
8	}
9	
10	public void start(){
11		running = true;
12		startTime = System.currentTimeMillis();
13	}
14	
15	public void stop(){
16		startTime = getTime();
17		running = false;
18	}
19	
20	public long getTime(){
21		if (running){
22			return 	System.currentTimeMillis() - startTime;
23		} else {
24			return startTime;
25		}
26	}
27}