快学Scala

译者序............................................III序...............................XV前言............................................XVII作者简介......................................XIX第1章　基础A1 .............................11.1　Scala解释器 .....................................11.2　声明值和变量.................................31.3　常用类型.........................................41.4　算术和操作符重载.............................................51.5　调用函数和方法..............................71.6　apply方法 ........................................81.7　Scaladoc...........................................9练习.....................................11第2章　控制结构和函数A1 ............................132.1 　条件表达式..................................142.2　语句终止.......................................162.3　块表达式和赋值...............................................162.4　输入和输出 ..................................172.5　循环...............................................182.6　高级for循环和for推导式..................................192.7　函数...............................................212.8　默认参数和带名参数 L1..............................222.9　变长参数L1...............................222.10 过程...............................................232.11 懒值L1.......................................242.12 异常...............................................25练习.....................................27第3章　数组相关操作A1 ................................293.1　定长数组.......................................293.2　变长数组：数组缓冲.......................................303.3　遍历数组和数组缓冲.......................................313.4　数组转换.......................................323.5　常用算法.......................................343.6　解读Scaladoc.................................353.7　多维数组.......................................373.8　与Java的互操作 ................................................37练习.....................................38第4章　映射和元组A1 ...................................414.1　构造映射.......................................414.2　获取映射中的值...............................................424.3　更新映射中的值...............................................434.4　迭代映射.......................................444.5　已排序映射...................................444.6　与Java的互操作 ................................................454.7　元组...............................................454.8　拉链操作.......................................46练习.....................................47第5章　类A1 ...............................515.1　简单类和无参方法...........................................515.2　带getter和setter的属性......................................525.3　只带getter的属性 ..............................................555.4　对象私有字段................................565.5　Bean属性L1................................575.6　辅助构造器...................................595.7　主构造器.......................................605.8　嵌套类L1...................................63练习.....................................65第6章　对象A1 ...........................696.1　单例对象.......................................696.2　伴生对象.......................................706.3　扩展类或特质的对象.......................................716.4　apply方法 ......................................726.5　应用程序对象................................736.6　枚举...............................................74练习.....................................75第7章　包和引入A1 .......................................797.1　包...................................................807.2　作用域规则...................................817.3　串联式包语句................................837.4　文件顶部标记法...............................................837.5　包对象...........................................847.6　包可见性.......................................857.7　引入...............................................857.8　任何地方都可以声明引入 ..............................867.9　重命名和隐藏方法...........................................877.10 隐式引入.......................................87练习.....................................88第8章　继承A1 ..........................918.1　扩展类...........................................918.2　重写方法.......................................928.3　类型检查和转换...............................................938.4　受保护字段和方法...........................................948.5　超类的构造...................................948.6　重写字段.......................................958.7　匿名子类.......................................968.8　抽象类...........................................978.9　抽象字段.......................................978.10 构造顺序和提前定义L3...............................988.11 Scala继承层级..............................1008.12 对象相等性L1.............................................101练习......................................................102第9章　文件和正则表达式A1 .......................1059.1　读取行.........................................1069.2　读取字符.....................................1069.3　读取词法单元和数字.....................................1079.4　从URL或其他源读取 .....................................1089.5　读取二进制文件.............................................1089.6　写入文本文件..............................1089.7　访问目录.....................................1099.8　序列化.........................................1109.9　进程控制A2 ..............................1119.10 正则表达式.................................1139.11 正则表达式组..............................114练习......................................................114第10章　特质L1 ..........................................11710.1　为什么没有多重继承...................................11710.2　当做接口使用的特质...................................11910.3　带有具体实现的特质...................................12010.4　带有特质的对象...........................................12110.5　叠加在一起的特质.......................................12210.6　在特质中重写抽象方法...............................12410.7　当做富接口使用的特质...............................12410.8　特质中的具体字段.......................................12510.9　特质中的抽象字段.......................................12610.10 特质构造顺序...............................................12710.11 初始化特质中的字段...................................12910.12 扩展类的特质...............................................13110.13 自身类型L2...............................................13210.14 背后发生了什么...........................................133练习......................................................135第11章　操作符L1 .......................................13911.1　标识符.......................................13911.2　中置操作符................................14011.3　一元操作符................................14111.4　赋值操作符................................14211.5　优先级.......................................14211.6　结合性.......................................14311.7　apply和update方法........................................14411.8　提取器L2................................14511.9　带单个参数或无参数的提取器L2..............................14611.10 unapplySeq方法L2....................................147练习......................................................148第12章　高阶函数L1 ...................................15112.1　作为值的函数...............................................15112.2　匿名函数...................................15212.3　带函数参数的函数.......................................15312.4　参数（类型）推断.......................................15412.5　一些有用的高阶函数...................................15512.6　闭包...........................................15612.7　SAM转换...................................15712.8　柯里化.......................................15812.9　控制抽象...................................15912.10 return表达式...............................161练习......................................................162第13章　集合A2 ..........................................16513.1　主要的集合特质...........................................16613.2　可变和不可变集合.......................................16713.3　序列...........................................16813.4　列表...........................................16913.5　可变列表...................................17013.6　集...............................................17113.7　用于添加或去除元素的操作符......................................17313.8　常用方法...................................17513.9　将函数映射到集合 .......................................17713.10 化简、折叠和扫描A3...............................17813.11 拉链操作...................................18113.12 迭代器.......................................18313.13 流A3.......................................18413.14 懒视图.......................................18513.15 与Java集合的互操作 ....................................18613.16 线程安全的集合...........................................18813.17 并行集合...................................188练习......................................................190第14章　模式匹配和样例类A2 .....................19314.1　更好的switch..............................19414.2　守卫...........................................19514.3　模式中的变量...............................................19514.4　类型模式...................................19614.5　匹配数组、列表和元组...............................19714.6　提取器.......................................19814.7　变量声明中的模式.......................................19914.8　for表达式中的模式 .......................................19914.9　样例类.......................................20014.10 copy方法和带名参数....................................20114.11 case语句中的中置表示法.............................20114.12 匹配嵌套结构...............................................20214.13 样例类是邪恶的吗.......................................20314.14 密封类.......................................20414.15 模拟枚举...................................20514.16 Option类型................................20514.17 偏函数L2................................207练习......................................................207第15章　注解A2 ..........................................21115.1　什么是注解................................21215.2　什么可以被注解...........................................21215.3　注解参数...................................21315.4　注解实现...................................21415.5　针对Java特性的注解 ....................................21615.5.1　Java修饰符 ......................................21615.5.2　标记接口.........................................21615.5.3　受检异常.........................................21715.5.4　变长参数.........................................21715.5.5　JavaBeans........................................21815.6　用于优化的注解...........................................21915.6.1　尾递归.............................................21915.6.2　跳转表生成与内联.........................22015.6.3　可省略方法.....................................22115.6.4　基本类型的特殊化.........................22215.7　用于错误和警告的注解...............................223练习......................................................224第16章　XML处理