计算机科学概论原书第5版制作 中英文PPT教师手册习题等65739_PPTx_Chapter09.pptVIP

* * * * * * * * * * * * * * * * * * * * * * * * * 最后“区分大小写”一段原文如此，原文应有错漏 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Class name 类名称 Superclass 父类名称 Subclasses 子类名称 Responsibilities 职责 Collaborations 协作 * Create a list that includes each person’s name, telephone number, and email address. This list should then be printed in alphabetical order. The names to be included in the list are on scraps of paper and business cards. 创建一个列表，其中包含每个人的姓名，电话号码和电子邮件地址。 然后应按字母顺序打印此列表。 列表中包含的名称在纸片和名片上。 * * * * * * * Problem space of object 对象的问题空间 Abstract to classes(descriptions of objects) 类的抽象（对象的描述） (a)Problem-solving phase 解决问题的阶段 Class type definitions 类类型的定义 Program space of objects 对象的程序空间 (b)Implementation phase 实现阶段 * * * Program in a high-level language 用高级语言编写 Input 输入 Compiler 编译器 Output 输出 Program in machine code 机器码程序 * * * * A C++ program compiled and run on different systems （a）在不同系统上编译和运行的C++程序 * (b)Java program compiled into Bytecode and run on different systems （b）Java程序编译成字节码并在不同的系统上运行 * * * * * * 选择语句 if语句允许程序使用布尔表达式测试程序变量的状态 * 循环语句 * 子程序语句 我们可以为代码的一部分命名，并将该名称用作程序另一部分的语句 遇到该名称时，程序其他部分的处理会在执行该名称代码时停止 还记得吗？ * 子程序语句 * 嵌套逻辑 Set sum to 0 // Initialize sum Set posCount to 0 // Initialize event WHILE (posCount = 10) // Test event Read a value IF (value 0) // Update event? Set posCount to posCount + 1 // Update event Set sum to sum + value // Statement(s) following loop WHILE内的IF Set weekCount to 1 WHILE (weekCount= 52) ?? Set weekSum to 0 ??? Set dayCount to 1 ??? WHILE (dayCount = 7) ?????? Read rainfall ????? Set weekSum to weekSum + rainfall ?????? Set dayCount to dayCount + 1 ??? Write “Week “ + weekCount + “ total: “ + weekSum ??? Set weekCount to weekCount + WHILE内的IF Set weekCount to 1 WHILE (weekCount= 52) ?? Set weekSum to CalculateWeekSum(weekCount) ??????Write “Week “ + weekCount + “ total: “ + weekSum ??? Set weekCount to weekCount + CalculateWeekSum(weekCount) ….. 哪个更容易阅读？ * 异步处理 异步处理 与程序的操作不同步 单