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修改为带参数的 poll(timeout, unit) 方法，避免误解和混淆 #2703

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Aug 7, 2025
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修改为带参数的 poll(timeout, unit) 方法，避免误解和混淆 #2703

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2 changes: 1 addition & 1 deletion docs/java/concurrent/java-concurrent-questions-03.md
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Expand Up @@ -399,7 +399,7 @@ public void allowCoreThreadTimeOut(boolean value) {

如果「设置了核心线程的存活时间」或者「线程数量超过了核心线程数量」，则将 `timed` 标记为 `true` ，表明获取任务时需要使用 `poll()` 指定超时时间。

- `timed == true` ：使用 `poll()` 来获取任务。使用 `poll()` 方法获取任务超时的话，则当前线程会退出执行（ `TERMINATED` ），该线程从线程池中被移除。
- `timed == true` ：使用 `poll(timeout, unit)` 来获取任务。使用 `poll(timeout, unit)` 方法获取任务超时的话，则当前线程会退出执行（ `TERMINATED` ），该线程从线程池中被移除。
- `timed == false` ：使用 `take()` 来获取任务。使用 `take()` 方法获取任务会让当前线程一直阻塞等待（`WAITING`）。

源码如下：
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