快學Scala

譯者序............................................III序...............................XV前言............................................XVII作者簡介......................................XIX第1章　基礎A1 .............................11.1　Scala解釋器 .....................................11.2　聲明值和變量.................................31.3　常用類型.........................................41.4　算術和操作符重載.............................................51.5　調用函數(shù)和方法..............................71.6　apply方法 ........................................81.7　Scaladoc...........................................9練習.....................................11第2章　控制結構和函數(shù)A1 ............................132.1 　條件表達式..................................142.2　語句終止.......................................162.3　塊表達式和賦值...............................................162.4　輸入和輸出 ..................................172.5　循環(huán)...............................................182.6　高級for循環(huán)和for推導式..................................192.7　函數(shù)...............................................212.8　默認參數(shù)和帶名參數(shù) L1..............................222.9　變長參數(shù)L1...............................222.10 過程...............................................232.11 懶值L1.......................................242.12 異常...............................................25練習.....................................27第3章　數(shù)組相關操作A1 ................................293.1　定長數(shù)組.......................................293.2　變長數(shù)組：數(shù)組緩沖.......................................303.3　遍歷數(shù)組和數(shù)組緩沖.......................................313.4　數(shù)組轉換.......................................323.5　常用算法.......................................343.6　解讀Scaladoc.................................353.7　多維數(shù)組.......................................373.8　與Java的互操作 ................................................37練習.....................................38第4章　映射和元組A1 ...................................414.1　構造映射.......................................414.2　獲取映射中的值...............................................424.3　更新映射中的值...............................................434.4　迭代映射.......................................444.5　已排序映射...................................444.6　與Java的互操作 ................................................454.7　元組...............................................454.8　拉鏈操作.......................................46練習.....................................47第5章　類A1 ...............................515.1　簡單類和無參方法...........................................515.2　帶getter和setter的屬性......................................525.3　只帶getter的屬性 ..............................................555.4　對象私有字段................................565.5　Bean屬性L1................................575.6　輔助構造器...................................595.7　主構造器.......................................605.8　嵌套類L1...................................63練習.....................................65第6章　對象A1 ...........................696.1　單例對象.......................................696.2　伴生對象.......................................706.3　擴展類或特質的對象.......................................716.4　apply方法 ......................................726.5　應用程序對象................................736.6　枚舉...............................................74練習.....................................75第7章　包和引入A1 .......................................797.1　包...................................................807.2　作用域規(guī)則...................................817.3　串聯(lián)式包語句................................837.4　文件頂部標記法...............................................837.5　包對象...........................................847.6　包可見性.......................................857.7　引入...............................................857.8　任何地方都可以聲明引入 ..............................867.9　重命名和隱藏方法...........................................877.10 隱式引入.......................................87練習.....................................88第8章　繼承A1 ..........................918.1　擴展類...........................................918.2　重寫方法.......................................928.3　類型檢查和轉換...............................................938.4　受保護字段和方法...........................................948.5　超類的構造...................................948.6　重寫字段.......................................958.7　匿名子類.......................................968.8　抽象類...........................................978.9　抽象字段.......................................978.10 構造順序和提前定義L3...............................988.11 Scala繼承層級..............................1008.12 對象相等性L1.............................................101練習......................................................102第9章　文件和正則表達式A1 .......................1059.1　讀取行.........................................1069.2　讀取字符.....................................1069.3　讀取詞法單元和數(shù)字.....................................1079.4　從URL或其他源讀取 .....................................1089.5　讀取二進制文件.............................................1089.6　寫入文本文件..............................1089.7　訪問目錄.....................................1099.8　序列化.........................................1109.9　進程控制A2 ..............................1119.10 正則表達式.................................1139.11 正則表達式組..............................114練習......................................................114第10章　特質L1 ..........................................11710.1　為什么沒有多重繼承...................................11710.2　當做接口使用的特質...................................11910.3　帶有具體實現(xiàn)的特質...................................12010.4　帶有特質的對象...........................................12110.5　疊加在一起的特質.......................................12210.6　在特質中重寫抽象方法...............................12410.7　當做富接口使用的特質...............................12410.8　特質中的具體字段.......................................12510.9　特質中的抽象字段.......................................12610.10 特質構造順序...............................................12710.11 初始化特質中的字段...................................12910.12 擴展類的特質...............................................13110.13 自身類型L2...............................................13210.14 背后發(fā)生了什么...........................................133練習......................................................135第11章　操作符L1 .......................................13911.1　標識符.......................................13911.2　中置操作符................................14011.3　一元操作符................................14111.4　賦值操作符................................14211.5　優(yōu)先級.......................................14211.6　結合性.......................................14311.7　apply和update方法........................................14411.8　提取器L2................................14511.9　帶單個參數(shù)或無參數(shù)的提取器L2..............................14611.10 unapplySeq方法L2....................................147練習......................................................148第12章　高階函數(shù)L1 ...................................15112.1　作為值的函數(shù)...............................................15112.2　匿名函數(shù)...................................15212.3　帶函數(shù)參數(shù)的函數(shù).......................................15312.4　參數(shù)（類型）推斷.......................................15412.5　一些有用的高階函數(shù)...................................15512.6　閉包...........................................15612.7　SAM轉換...................................15712.8　柯里化.......................................15812.9　控制抽象...................................15912.10 return表達式...............................161練習......................................................162第13章　集合A2 ..........................................16513.1　主要的集合特質...........................................16613.2　可變和不可變集合.......................................16713.3　序列...........................................16813.4　列表...........................................16913.5　可變列表...................................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　將函數(shù)映射到集合 .......................................17713.10 化簡、折疊和掃描A3...............................17813.11 拉鏈操作...................................18113.12 迭代器.......................................18313.13 流A3.......................................18413.14 懶視圖.......................................18513.15 與Java集合的互操作 ....................................18613.16 線程安全的集合...........................................18813.17 并行集合...................................188練習......................................................190第14章　模式匹配和樣例類A2 .....................19314.1　更好的switch..............................19414.2　守衛(wèi)...........................................19514.3　模式中的變量...............................................19514.4　類型模式...................................19614.5　匹配數(shù)組、列表和元組...............................19714.6　提取器.......................................19814.7　變量聲明中的模式.......................................19914.8　for表達式中的模式 .......................................19914.9　樣例類.......................................20014.10 copy方法和帶名參數(shù)....................................20114.11 case語句中的中置表示法.............................20114.12 匹配嵌套結構...............................................20214.13 樣例類是邪惡的嗎.......................................20314.14 密封類.......................................20414.15 模擬枚舉...................................20514.16 Option類型................................20514.17 偏函數(shù)L2................................207練習......................................................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　注解參數(shù)...................................21315.4　注解實現(xiàn)...................................21415.5　針對Java特性的注解 ....................................21615.5.1　Java修飾符 ......................................21615.5.2　標記接口.........................................21615.5.3　受檢異常.........................................21715.5.4　變長參數(shù).........................................21715.5.5　JavaBeans........................................21815.6　用于優(yōu)化的注解...........................................21915.6.1　尾遞歸.............................................21915.6.2　跳轉表生成與內(nèi)聯(lián).........................22015.6.3　可省略方法.....................................22115.6.4　基本類型的特殊化.........................22215.7　用于錯誤和警告的注解...............................223練習......................................................224第16章　XML處理