package mahjong.tools;

/**
 * Created by joe on 12/2/14.
 */
public class Timer {
    long st,ed;

    public void tick()
    {
        st=System.currentTimeMillis();
    }

    public void tock()
    {
        ed=System.currentTimeMillis();
    }

    public long elapse()
    {
        return ed-st;
    }
}