boolean Boolean char Character byte Byte short Short int Integer long Long float Float double Double 引用类型和原始类型的行为完全不同,并且它们具有不同的语义。引用类型和原始类型具有不同的特征和用法,它们包括:大小和速度问题,这种类型以哪种类型的数据结构存储,当引用类型和原始类型用作某个类的实例数据时所指定的缺省值。对象引用实例变量的缺省值为 null,而原始类型实例变量的 缺省值与它们的类型有
Process Tamer is a tiny (140k) and efficient utility for Microsoft Windows XP/2K/NT that runs in your system tray and constantly monitors the cpu usage of other processes. When it sees a process that is overloading your cpu, it reduces the priority
Classes, Objects, Encapsulation, Inheritance, Polymorphism Integrated OOP Case Studies: Time, GradeBook, Employee Industrial-Strength, 95-Page OOD/UML® 2 ATM Case Study Standard Template Library (STL): Containers, Iterators and Algorithms I/O, Types
C++ FAQs Part I. Preliminaries Chapter 1. Introduction FAQ 1.01 What is the purpose of this chapter? FAQ 1.02 What are C++ FAQs? FAQ 1.03 Who is the target audience for this book ? FAQ 1.04 Is this a book about C++ per se? FAQ 1.05 Why do deve
Chapter 1. About This Book Section 1.1. What You Should Know Before Reading This Book Section 1.2. Overall Structure of the Book Section 1.3. How to Read This Book Section 1.4. Some Rem arks About Programming Style Section 1.5. The Standard ver
COMMON CONFIGURATION ........................................................................................1 STANDARD NAT CONFIGURATION..............................................................................5 STANDARD NAT WITH OVERLOADING (P
几年前,我已经介绍过如何使用const和volatile限定词声明数据。使用这些限定词来声明数据,产生的影响会波及到函数的声明。在C和C++中,影响是不一样的,很大程度上是因为C++中的函数声明比C有更多的功能。为了更清楚描述清楚影响的不同,我们先来看看C和C++中函数主要的差异是什么。
很多C库包含至少一组的命名非常接近的函数。每个函数除了参数或返回值不同,功能在本质上是相同的。
标准C库也包含若干这样的组。例如,有一组“abs”函数专门用来计算一个数值的值。组里包含:
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