包邮Scala编程

序 .........................................................................................................XXII

致谢 .....................................................................................................XXIV

引言 ....................................................................................................XXVII

第1章 一门可伸缩的语言 ..........................................................................1

1.1　一门按需伸缩的语言 ..................................................................... 2

1.2　是什么让Scala能屈能伸 ................................................................. 7

1.3　为什么要用Scala ...........................................................................11

1.4　Scala寻根 ..................................................................................... 17

1.5　结语 ............................................................................................. 19

第2章 Scala入门 ....................................................................................20

第1步　使用Scala解释器 ..................................................................... 21

第2步　定义变量 ................................................................................. 22

第3步　定义函数 ................................................................................. 24

第4步　编写Scala脚本 ......................................................................... 26

第5步　用while做循环；用if做判断 .................................................... 27

第6步　用foreach和for遍历 ................................................................. 30

结语 ...................................................................................................... 32

第3章 Scala入门（续） ..........................................................................33

第7步　用类型参数化数组 .................................................................. 33

第8步　使用列表 ................................................................................. 38

第9步　使用元组 ................................................................................. 42

第10步　使用集和映射 ........................................................................ 43

第11步 　 识别函数式编程风格 ............................................................. 48

第12步 　 从文件读取文本行 ................................................................. 51

结语 ...................................................................................................... 55

第4章 类和对象 ......................................................................................56

4.1　类、字段和方法 ........................................................................... 56

4.2　分号推断 ...................................................................................... 61

4.3　单例对象 ...................................................................................... 62

4.4　Scala应用程序 ............................................................................. 65

4.5　App特质 ....................................................................................... 68

4.6　结语 ............................................................................................. 68

第5章 基础类型和操作 ............................................................................69

5.1　一些基础类型 .............................................................................. 69

5.2　字面量 .......................................................................................... 70

5.3　字符串插值 .................................................................................. 77

5.4　操作符即方法 .............................................................................. 78

5.5　算术操作 ...................................................................................... 81

5.6　关系和逻辑操作 ........................................................................... 83

5.7　位运算操作 .................................................................................. 85

5.8　对象相等性 .................................................................................. 86

5.9　操作符优先级和结合性 ............................................................... 88

5.10　富包装类 .................................................................................... 91

5.11　结语.........