看下completablefuture(暂时没看完)

缺乏、安全感 2023-01-16 11:07 103阅读 0赞

一些常用函数区别

<table> 
 <tbody> 
  <tr> 
   <td><strong>函数名称</strong></td> 
   <td style="width:482px;"><strong>作用</strong></td> 
   <td style="width:310px;"><strong>样式</strong></td> 
  </tr> 
  <tr> 
   <td>supplyAsync</td> 
   <td style="width:482px;">可以支持返回值</td> 
   <td style="width:310px;">CompletableFuture&lt;Void&gt; future=...</td> 
  </tr> 
  <tr> 
   <td>runAsync</td> 
   <td style="width:482px;">不支持返回值</td> 
   <td style="width:310px;">CompletableFuture&lt;Long&gt; future=...</td> 
  </tr> 
  <tr> 
   <td>whenComplete</td> 
   <td style="width:482px;">&nbsp;</td> 
   <td style="width:310px;">&nbsp;</td> 
  </tr> 
  <tr> 
   <td>whenCompleteAsync</td> 
   <td style="width:482px;">&nbsp;</td> 
   <td style="width:310px;">&nbsp;</td> 
  </tr> 
  <tr> 
   <td>thenApply</td> 
   <td style="width:482px;">线程B接收线程A的结果</td> 
   <td style="width:310px;">&nbsp;</td> 
  </tr> 
  <tr> 
   <td>handle</td> 
   <td style="width:482px;">任务完成后再执行，还可以处理异常的任务。</td> 
   <td style="width:310px;">&nbsp;</td> 
  </tr> 
  <tr> 
   <td>thenApply</td> 
   <td style="width:482px;">只可以执行正常的任务，任务出现异常则不执行 thenApply 方法。</td> 
   <td style="width:310px;">&nbsp;</td> 
  </tr> 
 </tbody> 
</table>

**Reference:**

\[1\][CompletableFuture 使用详解][CompletableFuture]

\[2\][CompleteFuture 书写逻辑清晰的异步任务][CompleteFuture]

\[3\][Tech Tutorials][]

\[4\][20 Examples of Using Java’s CompletableFuture][20 Examples of Using Java_s CompletableFuture]

[CompletableFuture]: https://www.jianshu.com/p/6bac52527ca4
[CompleteFuture]: https://www.jianshu.com/p/58e3a3c5c18d
[Tech Tutorials]: https://www.netjstech.com/2018/11/completablefuture-in-java-with-examples.html
[20 Examples of Using Java_s CompletableFuture]: https://dzone.com/articles/20-examples-of-using-javas-completablefuture