/[cvs]/jsr166/src/main/intro.html
ViewVC logotype

Diff of /jsr166/src/main/intro.html

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 1.13 by dl, Sun Aug 24 23:31:23 2003 UTC revision 1.23 by dl, Thu Jul 23 16:57:39 2015 UTC
# Line 10  Line 10 
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  This is maintenance repository of JSR166 specifications.  For further
14  Community Draft review.  To check for further updates, access a  information, go to: <A
 preliminary prototype release of main functionality, or join a mailing  
 list discussing this JSR, 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>.
 .  <p>  
17    
18  <em> <b>Disclaimer</b>. The prototype implementation is experimental  <p><em>Note: The javadocs here do <em>not</em> include pre-existing
19  code developed as part of JCP JSR-166 is made available to the  java classes (for example <tt>java.lang.Thread</tt>) that were changed
20  developer community for use as-is. It is not a supported product. Use  as part of the JSR166 spec.  On the other hand, the javadocs here do
21  it at your own risk. The specification, language and implementation  include some existing java.util Collection interfaces and classes that
22  are subject to change as a result of your feedback. Because these  are not part of the spec, but are included because some new methods
23  features have not yet been approved for addition to the Java language,  implement or inherit from their specifications.
24  there is no schedule for their inclusion in a product.  </em>  </em>
   
 <p> <em> <b>Disclaimer</b>.  This draft specification was produced  
 using JDK1.4 tools plus some preprocessing. The resulting javadocs do  
 not yet correctly render other planned JDK1.5 constructs on which  
 JSR-166 relies, most notably the use of generic types. We are  
 releasing this version now (before the availability of JDK1.5-based  
 tools) because, even though they are misformatted and sometimes lack  
 proper cross-referencing, they otherwise convey the intended  
 specifications.  </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 50  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 that minimial support for  resulting package small; providing only functionality that has been
42  which it makes 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 72  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 87  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    
# Line 106  designs. Line 94  designs.
94    
95    
96    <hr>    <hr>
   <address><A HREF="http://gee.cs.oswego.edu/dl">Doug Lea</A></address>  
97   </body>   </body>
98  </html>  </html>
Legend:
Removed from v.1.13  
changed lines
  Added in v.1.23
dl@cs.oswego.edu
 ViewVC Help
Powered by ViewVC 1.1.27