任务四 芝麻开门..............................................................................................................................47
4.1 跟我做：用户登录程序.....................................................................................................47
4.2 程序解析.............................................................................................................................48
4.3 必备知识.............................................................................................................................49
4.3.1 while 循环................................................................................................................49
4.3.2 do…while 循环........................................................................................................50
4.3.3 break 与 continue.....................................................................................................51
4.4 实战演练.............................................................................................................................52
4.5 课后习题.............................................................................................................................52
任务五 众里寻它千百度..................................................................................................................53
5.1 跟我做：成绩分析程序.....................................................................................................53
5.2 程序解析.............................................................................................................................54
5.3 必备知识.............................................................................................................................55
5.3.1 for 循环....................................................................................................................55
5.3.2 数组..........................................................................................................................57
5.3.3 foreach 语句.............................................................................................................61
5.3.4 字符串......................................................................................................................62
5.4 实战演练.............................................................................................................................65
5.5 课后习题.............................................................................................................................65
任务六 换个角度看世界..................................................................................................................67
6.1 跟我做：用类描述你自己.................................................................................................67
6.2 程序解析.............................................................................................................................68
6.3 必备知识.............................................................................................................................70
6.3.1 类和对象的定义......................................................................................................70
6.3.2 类的成员..................................................................................................................71
6.3.3 常量..........................................................................................................................75
6.3.4 字段..........................................................................................................................76
6.3.5 方法..........................................................................................................................79
6.3.6 属性..........................................................................................................................84
6.3.7 构造函数与析构函数..............................................................................................88
6.3.8 命名空间..................................................................................................................92
6.4 实战演练.............................................................................................................................97
6.5 课后习题...........................................................................................................................102
任务七 新来的员工........................................................................................................................104
7.1 跟我做：求最值程序.......................................................................................................104
7.2 程序解析...........................................................................................................................106
7.3 必备知识...........................................................................................................................107
7.3.1 重载方法................................................................................................................107
7.3.2 重载运算符............................................................................................................108
7.3.3 继承........................................................................................................................115
7.3.4 多态性和虚方法....................................................................................................120
7.3.5 抽象类和抽象方法................................................................................................128
7.4 实战演练...........................................................................................................................135
7.5 课后习题...........................................................................................................................140
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