diff --git a/README.md b/README.md
index a9cbfd2..ebb4ee5 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,6 @@
- [x] 第十三章 函数式编程
- [ ] 待续······
-- 最近公司项目赶着上线,等忙完继续!
## 一起交流
diff --git a/SUMMARY.md b/SUMMARY.md
index 1a4691e..f05d997 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -85,49 +85,51 @@
* [switch字符串](book/05-Control-Flow.md#switch字符串)
* [本章小结](book/05-Control-Flow.md#本章小结)
* [第六章 初始化和清理](book/06-Housekeeping.md)
- * [](book/06-Housekeeping.md#)
- * [](book/06-Housekeeping.md#)
- * [](book/06-Housekeeping.md#)
- * [](book/06-Housekeeping.md#)
- * [](book/06-Housekeeping.md#)
- * [](book/06-Housekeeping.md#)
- * [](book/06-Housekeeping.md#)
- * [](book/06-Housekeeping.md#)
- * [](book/06-Housekeeping.md#)
+ * [利用构造器保证初始化](book/06-Housekeeping.md#利用构造器保证初始化)
+ * [方法重载](book/06-Housekeeping.md#方法重载)
+ * [无参构造器](book/06-Housekeeping.md#无参构造器)
+ * [this关键字](book/06-Housekeeping.md#this关键字)
+ * [垃圾回收器](book/06-Housekeeping.md#垃圾回收器)
+ * [成员初始化](book/06-Housekeeping.md#成员初始化)
+ * [构造器初始化](book/06-Housekeeping.md#构造器初始化)
+ * [数组初始化](book/06-Housekeeping.md#数组初始化)
+ * [枚举类型](book/06-Housekeeping.md#枚举类型)
* [本章小结](book/06-Housekeeping.md#本章小结)
* [第七章 封装](book/07-Implementation-Hiding.md)
- * [](book/07-Implementation-Hiding.md#)
- * [](book/07-Implementation-Hiding.md#)
- * [](book/07-Implementation-Hiding.md#)
+ * [包的概念](book/07-Implementation-Hiding.md#包的概念)
+ * [访问权限修饰符](book/07-Implementation-Hiding.md#访问权限修饰符)
+ * [接口和实现](book/07-Implementation-Hiding.md#接口和实现)
+ * [类访问权限](book/07-Implementation-Hiding.md#类访问权限)
* [本章小结](book/07-Implementation-Hiding.md#本章小结)
* [第八章 复用](book/08-Reuse.md)
- * [](book/08-Reuse.md#)
- * [](book/08-Reuse.md#)
- * [](book/08-Reuse.md#)
- * [](book/08-Reuse.md#)
- * [](book/08-Reuse.md#)
- * [](book/08-Reuse.md#)
- * [](book/08-Reuse.md#)
- * [](book/08-Reuse.md#)
- * [](book/08-Reuse.md#)
+ * [组合语法](book/08-Reuse.md#组合语法)
+ * [继承语法](book/08-Reuse.md#继承语法)
+ * [委托](book/08-Reuse.md#委托)
+ * [结合组合与继承](book/08-Reuse.md#结合组合与继承)
+ * [组合与继承的选择](book/08-Reuse.md#组合与继承的选择)
+ * [protected](book/08-Reuse.md#protected)
+ * [向上转型](book/08-Reuse.md#向上转型)
+ * [final关键字](book/08-Reuse.md#final关键字)
+ * [类初始化和加载](book/08-Reuse.md#类初始化和加载)
* [本章小结](book/08-Reuse.md#本章小结)
* [第九章 多态](book/09-Polymorphism.md)
- * [](book/09-Polymorphism.md#)
- * [](book/09-Polymorphism.md#)
- * [](book/09-Polymorphism.md#)
- * [](book/09-Polymorphism.md#)
+ * [向上转型回溯](book/09-Polymorphism.md#向上转型回溯)
+ * [深入理解](book/09-Polymorphism.md#深入理解)
+ * [构造器和多态](book/09-Polymorphism.md#构造器和多态)
+ * [返回类型协变](book/09-Polymorphism.md#返回类型协变)
+ * [使用继承设计](book/09-Polymorphism.md#使用继承设计)
* [本章小结](book/09-Polymorphism.md#本章小结)
* [第十章 接口](book/10-Interfaces.md)
- * [](book/10-Interfaces.md#)
- * [](book/10-Interfaces.md#)
- * [](book/10-Interfaces.md#)
- * [](book/10-Interfaces.md#)
- * [](book/10-Interfaces.md#)
- * [](book/10-Interfaces.md#)
- * [](book/10-Interfaces.md#)
- * [](book/10-Interfaces.md#)
- * [](book/10-Interfaces.md#)
- * [](book/10-Interfaces.md#)
+ * [抽象类和方法](book/10-Interfaces.md#抽象类和方法)
+ * [接口创建](book/10-Interfaces.md#接口创建)
+ * [抽象类和接口](book/10-Interfaces.md#抽象类和接口)
+ * [完全解耦](book/10-Interfaces.md#完全解耦)
+ * [多接口结合](book/10-Interfaces.md#多接口结合)
+ * [使用继承扩展接口](book/10-Interfaces.md#使用继承扩展接口)
+ * [接口适配](book/10-Interfaces.md#接口适配)
+ * [接口字段](book/10-Interfaces.md#接口字段)
+ * [接口嵌套](book/10-Interfaces.md#接口嵌套)
+ * [接口和工厂方法模式](book/10-Interfaces.md#接口和工厂方法模式)
* [本章小结](book/10-Interfaces.md#本章小结)
* [第十一章 内部类](book/11-Inner-Classes.md)
* [](book/11-Inner-Classes.md#)
diff --git a/book/01-What-is-an-Object.md b/book/01-What-is-an-Object.md
index 684cc3f..03208fc 100644
--- a/book/01-What-is-an-Object.md
+++ b/book/01-What-is-an-Object.md
@@ -1,5 +1,5 @@
-
+[TOC]
# 第一章 对象的概念
diff --git a/book/02-Installing-Java-and-the-Book-Examples.md b/book/02-Installing-Java-and-the-Book-Examples.md
index 5003499..812ac1f 100644
--- a/book/02-Installing-Java-and-the-Book-Examples.md
+++ b/book/02-Installing-Java-and-the-Book-Examples.md
@@ -1,3 +1,5 @@
+[TOC]
+
# 第二章 安装Java和本书用例
现在，我们来为这次阅读之旅做些准备吧！
diff --git a/book/03-Objects-Everywhere.md b/book/03-Objects-Everywhere.md
index 5f0a8db..bf1405e 100644
--- a/book/03-Objects-Everywhere.md
+++ b/book/03-Objects-Everywhere.md
@@ -1,3 +1,5 @@
+[TOC]
+
# 第三章 万物皆对象
>如果我们说不同的语言，我们会感觉到一个不同的世界！— Ludwig Wittgenstein (1889-1951)
diff --git a/book/04-Operators.md b/book/04-Operators.md
index 5462fe1..d533b07 100644
--- a/book/04-Operators.md
+++ b/book/04-Operators.md
@@ -1,35 +1,77 @@
-# 第四章 运算符
-
[TOC]
-## [待初始化](#Using-Java-Operators)
+
+# 第四章 运算符
-## [待初始化](#Precedence)
-## [待初始化](#Assignment)
-## [待初始化](#Mathematical-Operators)
+
+## 使用说明
-## [待初始化](#Auto-Increment-and-Decrement)
-## [待初始化](#Relational-Operators)
+
+## 优先级
-## [待初始化](#Logical-Operators)
-## [待初始化](#Literals)
+
+## 赋值
-## [待初始化](#Bitwise-Operators)
-## [待初始化](#Ternary-if-else-Operator)
+
+## 算术运算符
-## [待初始化](#String-Operator-+-and-+=)
-## [待初始化](#Common-Pitfalls-When-Using-Operators)
+
+## 自动递增和递减
-## [待初始化](#Casting-Operators)
-## [待初始化](#Java-Has-No-sizeof)
+
+## 关系运算符
-## [待初始化](#A-Compendium-of-Operators)
-## [待初始化](#Summary)
\ No newline at end of file
+
+## 逻辑运算符
+
+
+
+## 字面值
+
+
+
+## 按位运算符
+
+
+
+## 移位运算符
+
+
+
+## 三元运算符
+
+
+
+## 字符串运算符
+
+
+
+## 常见陷阱
+
+
+
+## 类型转换
+
+
+
+## Java没有sizeof
+
+
+
+## 运算符总结
+
+
+
+## 本章小结
+
+
+
+
\ No newline at end of file
diff --git a/book/05-Control-Flow.md b/book/05-Control-Flow.md
index 6aac1b1..825afa6 100644
--- a/book/05-Control-Flow.md
+++ b/book/05-Control-Flow.md
@@ -1,3 +1,5 @@
+[TOC]
+
# 第五章 控制流
> 程序操纵它的世界并做出选择。 在Java中，您可以使用执行控制语句进行选择。
diff --git a/book/06-Housekeeping.md b/book/06-Housekeeping.md
index 2fec7de..7178d7c 100644
--- a/book/06-Housekeeping.md
+++ b/book/06-Housekeeping.md
@@ -1,2 +1,48 @@
+[TOC]
+
+
# 第六章 初始化和清理
+
+
+## 利用构造器保证初始化
+
+
+
+## 方法重载
+
+
+
+## 无参构造器
+
+
+
+## this关键字
+
+
+
+## 垃圾回收器
+
+
+
+## 成员初始化
+
+
+
+## 构造器初始化
+
+
+
+## 数组初始化
+
+
+
+## 枚举类型
+
+
+
+## 本章小结
+
+
+
+
\ No newline at end of file
diff --git a/book/07-Implementation-Hiding.md b/book/07-Implementation-Hiding.md
index 9bd7a5d..2d13a1b 100644
--- a/book/07-Implementation-Hiding.md
+++ b/book/07-Implementation-Hiding.md
@@ -1,2 +1,31 @@
+[TOC]
+
+
# 第七章 封装
+
+
+## 包的概念
+
+
+
+## 访问权限修饰符
+
+
+
+## 接口和实现
+
+
+
+## 类访问权限
+
+
+
+## 本章小结
+
+
+
+
+
+
+
diff --git a/book/08-Reuse.md b/book/08-Reuse.md
index c0e94de..d8b7a69 100644
--- a/book/08-Reuse.md
+++ b/book/08-Reuse.md
@@ -1,2 +1,49 @@
+[TOC]
+
+
# 第八章 复用
+
+
+## 组合语法
+
+
+
+## 继承语法
+
+
+
+## 委托
+
+
+
+## 结合组合与继承
+
+
+
+## 组合与继承的选择
+
+
+
+## protected
+
+
+
+## 向上转型
+
+
+
+## final关键字
+
+
+
+## 类初始化和加载
+
+
+
+## 本章小结
+
+
+
+
+
diff --git a/book/09-Polymorphism.md b/book/09-Polymorphism.md
index c50bb40..8692dc8 100644
--- a/book/09-Polymorphism.md
+++ b/book/09-Polymorphism.md
@@ -1,2 +1,32 @@
+[TOC]
+
+
# 第九章 多态
+
+
+## 向上转型回溯
+
+
+
+## 深入理解
+
+
+
+## 构造器和多态
+
+
+
+## 返回类型协变
+
+
+
+## 使用继承设计
+
+
+
+## 本章小结
+
+
+
+
\ No newline at end of file
diff --git a/book/10-Interfaces.md b/book/10-Interfaces.md
index 9f27082..60f6bfc 100644
--- a/book/10-Interfaces.md
+++ b/book/10-Interfaces.md
@@ -1,2 +1,52 @@
+[TOC]
+
+
# 第十章 接口
+
+
+## 抽象类和方法
+
+
+
+## 接口创建
+
+
+
+## 抽象类和接口
+
+
+
+## 完全解耦
+
+
+
+## 多接口结合
+
+
+
+## 使用继承扩展接口
+
+
+
+## 接口适配
+
+
+
+## 接口字段
+
+
+
+## 接口嵌套
+
+
+
+## 接口和工厂方法模式
+
+
+
+## 本章小结
+
+
+
+
\ No newline at end of file
diff --git a/book/11-Inner-Classes.md b/book/11-Inner-Classes.md
index 5e93392..cd73576 100644
--- a/book/11-Inner-Classes.md
+++ b/book/11-Inner-Classes.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 第十一章 内部类
+
+
+
\ No newline at end of file
diff --git a/book/12-Collections.md b/book/12-Collections.md
index 5c5acf3..6cbc671 100644
--- a/book/12-Collections.md
+++ b/book/12-Collections.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 第十二章 集合
+
+
+
\ No newline at end of file
diff --git a/book/13-Functional-Programming.md b/book/13-Functional-Programming.md
index 0d44f23..097bff5 100644
--- a/book/13-Functional-Programming.md
+++ b/book/13-Functional-Programming.md
@@ -1,7 +1,7 @@
-# 第十三章-函数式编程
-
[TOC]
+# 第十三章-函数式编程
+
函数式编程语言操纵代码片段就像操作数据一样容易。 虽然 Java 不是函数式语言，但 Java 8 Lambda 表达式和方法引用 (Method References) 允许您以函数式编程。在计算机时代的早期，内存是稀缺和珍贵的。几乎每个人都用汇编语言编程。 人们对编译器有所了解，但仅仅想到编译生成的代码肯定会比手工编码多了很多字节。
@@ -1432,4 +1432,10 @@ Lambda 表达式和方法引用并没有将 Java 转换成函数式语言，而
6. 在并发编程一章中，当您理解更改共享变量 “不是线程安全的” 时，这将更有意义。
7. 接口能够支持方法的原因是它们是 Java 8 默认方法，您将在下一章中了解到。
8. 一些语言，例如 Python，允许像调用其他函数一样调用组合函数。但这是 Java，所以我们取我们能得到的。
-9. 见,例如，不可变和可变性检测器。( Immutables and Mutability Detector)
\ No newline at end of file
+9. 见,例如，不可变和可变性检测器。( Immutables and Mutability Detector)
+
+
+
+
+
+
\ No newline at end of file
diff --git a/book/14-Streams.md b/book/14-Streams.md
index f9ec406..3896ebb 100644
--- a/book/14-Streams.md
+++ b/book/14-Streams.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 第十四章 流式编程
+
+
+
\ No newline at end of file
diff --git a/book/15-Exceptions.md b/book/15-Exceptions.md
index b66472a..2b192fd 100644
--- a/book/15-Exceptions.md
+++ b/book/15-Exceptions.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 第十五章 异常
+
+
+
\ No newline at end of file
diff --git a/book/16-Validating-Your-Code.md b/book/16-Validating-Your-Code.md
index dfd2aba..ad57fd0 100644
--- a/book/16-Validating-Your-Code.md
+++ b/book/16-Validating-Your-Code.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 第十六章 代码校验
+
+
+
\ No newline at end of file
diff --git a/book/17-Files.md b/book/17-Files.md
index a1230cf..b4ed539 100644
--- a/book/17-Files.md
+++ b/book/17-Files.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 第十七章 文件
+
+
+
\ No newline at end of file
diff --git a/book/18-Strings.md b/book/18-Strings.md
index 9252da2..bd07bf6 100644
--- a/book/18-Strings.md
+++ b/book/18-Strings.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 第十八章 字符串
+
+
+
\ No newline at end of file
diff --git a/book/19-Type-Information.md b/book/19-Type-Information.md
index 5929f73..4c1627b 100644
--- a/book/19-Type-Information.md
+++ b/book/19-Type-Information.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 第十九章 类型信息
+
+
+
\ No newline at end of file
diff --git a/book/20-Generics.md b/book/20-Generics.md
index 4bb7980..965b1dc 100644
--- a/book/20-Generics.md
+++ b/book/20-Generics.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 第二十章 泛型
+
+
+
\ No newline at end of file
diff --git a/book/21-Arrays.md b/book/21-Arrays.md
index 38e066e..bea68df 100644
--- a/book/21-Arrays.md
+++ b/book/21-Arrays.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 第二十一章 数组
+
+
+
\ No newline at end of file
diff --git a/book/22-Enumerations.md b/book/22-Enumerations.md
index 999ad7c..34a9048 100644
--- a/book/22-Enumerations.md
+++ b/book/22-Enumerations.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 第二十二章 枚举
+
+
+
\ No newline at end of file
diff --git a/book/23-Annotations.md b/book/23-Annotations.md
index d30be18..81e3a7f 100644
--- a/book/23-Annotations.md
+++ b/book/23-Annotations.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 第二十三章 注解
+
+
+
\ No newline at end of file
diff --git a/book/24-Concurrent-Programming.md b/book/24-Concurrent-Programming.md
index ab865da..bc15d3f 100644
--- a/book/24-Concurrent-Programming.md
+++ b/book/24-Concurrent-Programming.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 第二十四章 并发编程
+
+
+
\ No newline at end of file
diff --git a/book/25-Patterns.md b/book/25-Patterns.md
index ea3ca32..713c00f 100644
--- a/book/25-Patterns.md
+++ b/book/25-Patterns.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 第二十五章 正则表达式
+
+
+
\ No newline at end of file
diff --git a/book/Appendix-Becoming-a-Programmer.md b/book/Appendix-Becoming-a-Programmer.md
index 79cc6c2..4fe1fd1 100644
--- a/book/Appendix-Becoming-a-Programmer.md
+++ b/book/Appendix-Becoming-a-Programmer.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 附录:成为一名程序员
+
+
+
\ No newline at end of file
diff --git a/book/Appendix-Benefits-and-Costs-of-Static-Type-Checking.md b/book/Appendix-Benefits-and-Costs-of-Static-Type-Checking.md
index 64468e5..01c0cd8 100644
--- a/book/Appendix-Benefits-and-Costs-of-Static-Type-Checking.md
+++ b/book/Appendix-Benefits-and-Costs-of-Static-Type-Checking.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 附录:静态语言类型检查
+
+
+
\ No newline at end of file
diff --git a/book/Appendix-Collection-Topics.md b/book/Appendix-Collection-Topics.md
index f10136b..57ea342 100644
--- a/book/Appendix-Collection-Topics.md
+++ b/book/Appendix-Collection-Topics.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 附录:集合主题
+
+
+
\ No newline at end of file
diff --git a/book/Appendix-Data-Compression.md b/book/Appendix-Data-Compression.md
index e7f1015..d264088 100644
--- a/book/Appendix-Data-Compression.md
+++ b/book/Appendix-Data-Compression.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 附录:数据压缩
+
+
+
\ No newline at end of file
diff --git a/book/Appendix-IO-Streams.md b/book/Appendix-IO-Streams.md
index bc03ea3..51fd15c 100644
--- a/book/Appendix-IO-Streams.md
+++ b/book/Appendix-IO-Streams.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 附录:流式IO
+
+
+
\ No newline at end of file
diff --git a/book/Appendix-Javadoc.md b/book/Appendix-Javadoc.md
index 0c985fc..3337039 100644
--- a/book/Appendix-Javadoc.md
+++ b/book/Appendix-Javadoc.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 附录:文档注释
+
+
+
\ No newline at end of file
diff --git a/book/Appendix-Low-Level-Concurrency.md b/book/Appendix-Low-Level-Concurrency.md
index 9a8c3a7..3441e7a 100644
--- a/book/Appendix-Low-Level-Concurrency.md
+++ b/book/Appendix-Low-Level-Concurrency.md
@@ -1,2 +1,4 @@
+[TOC]
+
# 附录:并发底层原理
diff --git a/book/Appendix-New-IO.md b/book/Appendix-New-IO.md
index d780438..82575a5 100644
--- a/book/Appendix-New-IO.md
+++ b/book/Appendix-New-IO.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 附录:新IO
+
+
+
\ No newline at end of file
diff --git a/book/Appendix-Object-Serialization.md b/book/Appendix-Object-Serialization.md
index d9699b9..3f60e3c 100644
--- a/book/Appendix-Object-Serialization.md
+++ b/book/Appendix-Object-Serialization.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 附录:对象序列化
+
+
+
\ No newline at end of file
diff --git a/book/Appendix-Passing-and-Returning-Objects.md b/book/Appendix-Passing-and-Returning-Objects.md
index 8cff3e7..b2a45a0 100644
--- a/book/Appendix-Passing-and-Returning-Objects.md
+++ b/book/Appendix-Passing-and-Returning-Objects.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 附录:对象传递和返回
+
+
+
\ No newline at end of file
diff --git a/book/Appendix-Programming-Guidelines.md b/book/Appendix-Programming-Guidelines.md
index ebbb6e8..0bf4676 100644
--- a/book/Appendix-Programming-Guidelines.md
+++ b/book/Appendix-Programming-Guidelines.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 附录:编程指南
+
+
+
\ No newline at end of file
diff --git a/book/Appendix-Standard-IO.md b/book/Appendix-Standard-IO.md
index d92be15..96da9bc 100644
--- a/book/Appendix-Standard-IO.md
+++ b/book/Appendix-Standard-IO.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 附录:标准IO
+
+
+
\ No newline at end of file
diff --git a/book/Appendix-Supplements.md b/book/Appendix-Supplements.md
index e58d28d..ca98d3c 100644
--- a/book/Appendix-Supplements.md
+++ b/book/Appendix-Supplements.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 附录:补充
+
+
+
\ No newline at end of file
diff --git a/book/Appendix-The-Positive-Legacy-of-C-plus-plus-and-Java.md b/book/Appendix-The-Positive-Legacy-of-C-plus-plus-and-Java.md
index 71ff160..f35da00 100644
--- a/book/Appendix-The-Positive-Legacy-of-C-plus-plus-and-Java.md
+++ b/book/Appendix-The-Positive-Legacy-of-C-plus-plus-and-Java.md
@@ -1,2 +1,8 @@
+[TOC]
+
# 附录:C++和Java的优良传统
+
+
+
+
diff --git a/book/Appendix-Understanding-equals-and-hashCode.md b/book/Appendix-Understanding-equals-and-hashCode.md
index d3ee4cd..15e2fa5 100644
--- a/book/Appendix-Understanding-equals-and-hashCode.md
+++ b/book/Appendix-Understanding-equals-and-hashCode.md
@@ -1,2 +1,7 @@
+[TOC]
+
# 附录:理解equals和hashCode方法
+
+
+
\ No newline at end of file