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详细说明： 自序..................................................................................................................................................3 第一章 概述...................................................................................................................................4 1.1 编程语言的发展简史......................................................................................................4 1.2 编程其实很容易..............................................................................................................7 1.3 R uby的由来.....................................................................................................................8 1.4 Ruby的特性.....................................................................................................................9 第二章............................................................................................................................................11 2.1 下载Ruby 1.8.5..............................................................................................................11 2.2 安装Ruby 1.8.5 for Windows........................................................................................12 2.3 开始第一个小程序........................................................................................................14 2.4 Ruby语言的集成开发环境...........................................................................................17 第三章 语法快览.........................................................................................................................18 3.1 注释与分行....................................................................................................................18 3.2 分隔符............................................................................................................................20 3.3 关键字............................................................................................................................21 3.4 运算符............................................................................................................................23 3.5 标识名和变量的作用域................................................................................................25 3.6 类库................................................................................................................................26 3.7 数据类型........................................................................................................................27 3.8 赋值和条件运算符........................................................................................................28 3.9 条件判断语句................................................................................................................30 一. 单行 if（如果） 语句...........................................................................................30 二. 多行 if 语句...........................................................................................................30 三. unless(除非) 条件语句：........................................................................................30 四. case分支条件语句....................................................................................................31 3.10 循环语句......................................................................................................................32 一. while（当…） 循环................................................................................................32 二. 单行 while 循环.....................................................................................................32 三. until（直到…） 循环...........................................................................................32 四. for…in 循环.............................................................................................................33 五．break ， next & redo & retry....................................................................33 六. 求50以内的素数。................................................................................................36 七. times , upto , downto , each ,step..............................................................................37 3.11 异常与线程..................................................................................................................38 3.12 一个综合小练习..........................................................................................................39 第四章 一切都是对象.................................................................................................................40 4.1 两种思维方式................................................................................................................40 4.2 对象................................................................................................................................41 4.3 封装................................................................................................................................43 ...展开收缩
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