package timeflow.util; import java.util.*; public class TimeIt { public static long last; static HashMap marks=new HashMap(); public static void mark() { last=System.currentTimeMillis(); } public static void sinceLast() { long now=System.currentTimeMillis(); System.out.println("TimeIt: "+(now-last)); last=now; } public static void since(Object o) { long now=System.currentTimeMillis(); System.out.println("TimeIt: "+o+": "+(now-last)); last=now; } public static void mark(Object o) { long now=System.currentTimeMillis(); marks.put(o, System.currentTimeMillis()); last=now; } }