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revision 1.14 by dl, Sat Sep 27 12:21:56 2003 UTC revision 1.23 by dl, Thu Jul 23 16:57:39 2015 UTC
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10    by <a href="http://gee.cs.oswego.edu/dl">Doug Lea</a>    by <a href="http://gee.cs.oswego.edu/dl">Doug Lea</a>
11    <p>    <p>
12    
13  This is an updated version of the specification submitted for JCP Public  This is maintenance repository of JSR166 specifications.  For further
14  Review.  To check for further updates, access a preliminary prototype  information, go to: <A
 release of main functionality, or join a mailing list discussing  
 JSR-166, go to: <A  
15  HREF="http://altair.cs.oswego.edu/mailman/listinfo/concurrency-interest">  HREF="http://altair.cs.oswego.edu/mailman/listinfo/concurrency-interest">
16  http://altair.cs.oswego.edu/mailman/listinfo/concurrency-interest</A>.  http://altair.cs.oswego.edu/mailman/listinfo/concurrency-interest</A>.
17    
18  <p><em>Note: The javadocs here includes some existing java.util  <p><em>Note: The javadocs here do <em>not</em> include pre-existing
19  Collection interfaces and classes that are not part of the JSR-166  java classes (for example <tt>java.lang.Thread</tt>) that were changed
20  spec, but are included because JSR-166 methods implement or inherit  as part of the JSR166 spec.  On the other hand, the javadocs here do
21  from their specifications.</em>  include some existing java.util Collection interfaces and classes that
22    are not part of the spec, but are included because some new methods
23    implement or inherit from their specifications.
24    </em>
25    
26  <p> JSR-166 introduces package <tt>java.util.concurrent</tt>  <p>JSR-166 introduces package <tt>java.util.concurrent</tt>
27  containing utility classes commonly useful in concurrent  containing utility classes commonly useful in concurrent
28  programming. Like package <tt>java.util</tt>, it includes a few small  programming. Like package <tt>java.util</tt>, it includes a few small
29  standardized extensible frameworks, as well as some classes that  standardized extensible frameworks, as well as other classes that
30  provide useful functionality and are otherwise tedious or difficult to  provide useful functionality and are otherwise tedious or difficult to
31  implement.  implement.
32    
33  <p>JSR-166 focusses on breadth, providing critical functionality  <p>JSR-166 focuses on breadth, providing critical functionality
34  useful across a wide range of concurrent programming styles and  useful across a wide range of concurrent programming styles and
35  applications, ranging from low-level atomic operations, to  applications, ranging from low-level atomic operations, to
36  customizable locks and synchronization aids, to various concurrent  customizable locks and synchronization aids, to various concurrent
# Line 37  data structures, to high-level execution Line 38  data structures, to high-level execution
38  pools. This diversity reflects the range of contexts in which  pools. This diversity reflects the range of contexts in which
39  developers of concurrent programs have been found to require or desire  developers of concurrent programs have been found to require or desire
40  support not previously available in J2SE, which also keeping the  support not previously available in J2SE, which also keeping the
41  resulting package small; providing only functionality that it makes  resulting package small; providing only functionality that has been
42  sense to standardize.  found to be worthwhile to standardize.
43    
44  <p>Descriptions and brief motivations for the main components may be  <p>Descriptions and brief motivations for the main components may be
45  found in the associated package documentation.  JSR-166 also includes  found in the associated package documentation.  JSR-166 also includes
# Line 59  Three minor changes are introduced to th Line 60  Three minor changes are introduced to th
60  class:  class:
61  <ul>  <ul>
62    <li> It now allows per-thread installation of handlers for uncaught    <li> It now allows per-thread installation of handlers for uncaught
63    exceptions. Ths optionally disassociates handlers from ThreadGroups,    exceptions. This optionally disassociates handlers from ThreadGroups,
64    which has proven to be too inflexible. (Note that the combination of    which has proven to be too inflexible. (Note that the combination of
65    features in JSR-166 make ThreadGroups even less likely to be used in    features in JSR-166 make ThreadGroups even less likely to be used in
66    most programs. Perhaps they will eventually be deprecated.)    most programs. Perhaps they will eventually be deprecated.)
# Line 74  class: Line 75  class:
75    <tt>InterruptedExceptions</tt>.    <tt>InterruptedExceptions</tt>.
76    <li> The <tt>destroy</tt> method, which has never been implemented,    <li> The <tt>destroy</tt> method, which has never been implemented,
77    has finally been deprecated. This is just a spec change, reflecting    has finally been deprecated. This is just a spec change, reflecting
78    the fact that that the reason it has never been implmented is that    the fact that the reason it has never been implemented is that
79    it was undesirable and unworkable.    it was undesirable and unworkable.
80  </ul>  </ul>
81    

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