diff --git a/docs/notes/Java IO.md b/docs/notes/Java IO.md
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--- a/docs/notes/Java IO.md
+++ b/docs/notes/Java IO.md
@@ -278,7 +278,7 @@ public static void main(String[] args) throws IOException {
- Socket:客户端类
- 服务器和客户端通过 InputStream 和 OutputStream 进行输入输出。
-
+
## Datagram
@@ -414,7 +414,7 @@ NIO 实现了 IO 多路复用中的 Reactor 模型,一个线程 Thread 使用
应该注意的是,只有套接字 Channel 才能配置为非阻塞,而 FileChannel 不能,为 FileChannel 配置非阻塞也没有意义。
-
+
### 1. 创建选择器
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