更新附录部分章节子标题

book/Appendix-IO-Streams.md

@@ -1,7 +1,37 @@
 [TOC]
 
+<!-- Appendix: I/O Streams -->
 # 附录:流式IO
 
+
+<!-- Types of InputStream -->
+## 输入流类型
+
+
+<!-- Types of OutputStream -->
+## 输出流类型
+
+
+<!-- Adding Attributes and Useful Interfaces -->
+## 添加属性和有用的接口
+
+
+<!-- Readers & Writers -->
+## Reader和Writer
+
+
+<!-- Off By Itself: RandomAccessFile -->
+## RandomAccessFile类
+
+
+<!-- Typical Uses of I/O Streams -->
+## IO流典型用途
+
+
+<!-- Summary -->
+## 本章小结
+
+
 <!-- 分页 -->
 
 <div style="page-break-after: always;"></div>