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Fix wrong if statement in Redis.md #611

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Jan 6, 2020
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Fix wrong if statement in Redis.md #611

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68151d9
Fix wrong if statement in Redis.md
jiabinl Jan 5, 2020
51072eb
Fix typo in java线程池学习总结.md
jiabinl Jan 5, 2020
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4 changes: 2 additions & 2 deletions docs/database/Redis/Redis.md
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Original file line number Diff line number Diff line change
Expand Up @@ -304,7 +304,7 @@ public Object getObjectInclNullById(Integer id) {
// 从缓存中获取数据
Object cacheValue = cache.get(id);
// 缓存为空
if (cacheValue != null) {
if (cacheValue == null) {
// 从数据库中获取
Object storageValue = storage.get(key);
// 缓存空对象
Expand Down Expand Up @@ -367,4 +367,4 @@ public Object getObjectInclNullById(Integer id) {

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4 changes: 2 additions & 2 deletions docs/java/Multithread/java线程池学习总结.md
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Expand Up @@ -652,9 +652,9 @@ Wed Nov 13 13:40:43 CST 2019::pool-1-thread-5
2. 当前线程池中有一个运行的线程后，将任务加入 `LinkedBlockingQueue`
3. 线程执行完当前的任务后，会在循环中反复从` LinkedBlockingQueue` 中获取任务来执行；

#### 5.2.3 为什么不推荐使用`FixedThreadPool`？
#### 5.2.3 为什么不推荐使用`SingleThreadExecutor`？

`SingleThreadExecutor` 使用无界队列 `LinkedBlockingQueue` 作为线程池的工作队列（队列的容量为 Intger.MAX_VALUE）。`SingleThreadExecuto`r 使用无界队列作为线程池的工作队列会对线程池带来的影响与 `FixedThreadPool` 相同。说简单点就是可能会导致 OOM，
`SingleThreadExecutor` 使用无界队列 `LinkedBlockingQueue` 作为线程池的工作队列（队列的容量为 Intger.MAX_VALUE）。`SingleThreadExecutor` 使用无界队列作为线程池的工作队列会对线程池带来的影响与 `FixedThreadPool` 相同。说简单点就是可能会导致 OOM，

### 5.3 CachedThreadPool 详解

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