From 252f05eb94bf3470081ee8327a7983360350b717 Mon Sep 17 00:00:00 2001
From: sjsdfg <736777445@qq.com>
Date: Sat, 20 Apr 2019 17:16:51 +0800
Subject: [PATCH] no message

---
 docs/book/14-Streams.md | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/docs/book/14-Streams.md b/docs/book/14-Streams.md
index 56f745c..036548f 100644
--- a/docs/book/14-Streams.md
+++ b/docs/book/14-Streams.md
@@ -1126,12 +1126,8 @@ Not much of a cheese shop really
 
 在 `System.out.format()` 中的 **%s** 表名参数为 String 类型。
 
-### Optional
 
 
-
- 
-
 <!-- Optional -->
 
 ## Optional类