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Comparing jsr166/src/main/java/util/concurrent/TimeUnit.java (file contents):
Revision 1.2 by dl, Tue May 27 18:14:40 2003 UTC vs.
Revision 1.3 by dholmes, Mon Jun 9 23:42:27 2003 UTC

#	Line 44 | Line 44 | package java.util.concurrent;
44		* @revised $Date$
45		* @editor $Author$
46		*
47	–	* @fixme The previous version created singleton subclass instances. I could
48	–	* not see any reason to create subclasses instead of just instances.
49	–	* Neither approach allows creation of your own units.
47		*/
48		public final class TimeUnit implements java.io.Serializable {
49
50		/**
51		* Return the current value of the system high resolution timer, in
52	<	* nanoseconds. This method can only be used to measure elapsed time
52	>	* nanoseconds.
53	>	* <p>This method can only be used to measure elapsed time
54		* and is not related to any notion of system, or wall-clock time.
55		* Although the value returned represents nanoseconds since some
56		* arbitrary start time in the past, the resolution at which this value
57	<	* is updated is not specified. It provides have nanosecond precision, but
57	>	* is updated is not specified. It provides nanosecond precision, but
58		* not necessarily nanosecond accuracy.
59	<	* It is guaranteed that successive return
59	>	* <p>It is guaranteed that successive return
60		* values from this method will not decrease.
61		*
62	<	* <p> For example to measure how long some code takes to execute,
62	>	* <p> For example, to measure how long some code takes to execute,
63		* with nanosecond precision:
64		* <pre>
65	<	* long startTime = TimeUnit.nanoTime();
66	<	* // ... the code being measured ...
67	<	* long estimatedTime = TimeUnit.nanoTime() - startTime;
65	>	*   long startTime = TimeUnit.nanoTime();
66	>	*   // ... the code being measured ...
67	>	*   long estimatedTime = TimeUnit.nanoTime() - startTime;
68		* </pre>
69		*
70		* @return The current value of the system high resolution timer, in
#	Line 99 | Line 97 | public final class TimeUnit implements j
97		}
98
99		/**
100	<	* Equivalent to <code>NANOOSECONDS.convert(duration, this)</code>.
100	>	* Equivalent to <code>NANOSECONDS.convert(duration, this)</code>.
101		* @param duration the duration
102		* @return the converted duration.
103		**/

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