immutable class c#

Object-Oriented Programming-Overview, definition of base classes and derived classes Introduction: Object-Oriented programming is based on three basic concepts: data abstraction, inheritance, and dynamic binding. In C ++,Data abstraction using classesTo inherit from one class:The derived class inherits the members of the base class.. Dynamic binding enables the

? Overloading of functions means that C + + allows multiple functions with the same name to exist, but the parameters of each function with the same name must differ: the number of formal parameters is different, or the number of formal parameters is the same, but the parameter types are different. Override refers to the existence of a redefined function in a derived class whose function name, parameter col

LeeLin blog (1) When the base class does not have its own constructor, the default bar of the derived class uses the constructor of the base class.(2) When the base class has a self-compiled constructor, you must add a constructor without parameters to the base class. (3) Wh

(1) When the base class does not have its own constructor, the default bar of the derived class uses the constructor of the base class.(2) When the base class has a self-compiled constructor, you must add a constructor without parameters to the base class. (3) When the base

Reload, overwrite, hide, and virtual Keywords of C ++ class member functions Phoenix (phoenix8848@gmail.com) 1. Reload, overwrite, and hide 1). Overload: "overload" occurs when a member function has the following features" A. the same range (in the same class) B. The function name is the same. C. Different

pointer ptr to the base class base Object Op1PTR = op2;//error, the pointer to base class base ptr is not allowed to point to its private derived class object Op2 ...... return 0; } ( 2) Allows an object that is declared as a pointer to a base class to point to its public-derived

From http://blog.csdn.net/zhuweisky/article/details/415756 In C #, there are no free functions and no free variables. Everything must be encapsulated in the class. In C ++, using global variables for inter-function communication and inter-class communication are common methods. However, this becomes impossible in

Export class DesignThe previous blog details the various knowledge points (http://blog.csdn.net/z702143700/article/details/45989993) of the development of the class library, this article will further state the problem of the development norm of the export class in the course of class library development.The DLL develop

decisions based on the order of the base members in memory.You cannot specify the same class name multiple times when Base-list is specified. However, you can use a class multiple times as an indirect base for a derived class. Virtual base classbecause a class may be the indirect base

Data | Compression This article assumes that you are familiar with C # and Windows forms Download the code for this article: ZipCompression.exe (150KB) Summary Using ZIP compression can save space and network bandwidth when storing files or sending files over the network. In addition, the directory structure of the zipped folder is not lost, making it a very useful compression scheme. The C # language do

object.What do you call dynamic creation?is the ability to dynamically create an object of that class based on the name of a class.For example, your program needs to use a text file, and this file contains some class names, can you dynamically generate these classes according to these names?/*****************************************************************************//* The name of the

One, C + + polymorphicThe polymorphism of C + + includes static polymorphism and dynamic polymorphism. Static polymorphism includes function overloading and generic programming, and dynamic polymorphism includes virtual functions. Static polymorphism means that during compilation, dynamic polymorphism is defined only when the program is running.Second, virtual function1, the virtual function is a non-static

The 11 questions in this paper are taken from the fourth chapter of the meditation record of C + +. The description of all the questions is self-supplementing. 1 Does your class need a constructor?--correctly define the constructor, and grasp the functional scope of the constructor function Some classes are too simple, their structure is their interface, so constructors are not required.

C ++ abstract class overview, abstract classI. Reasons for the article The virtual method and virtual class can be said to be a major feature of the c ++ language, and some people may even say it is the essence of the c ++ language. In fact, this is also true, because the Ru

The system. Io. File class and system. Io. fileinfo class provide various operations on files. The system. Io namespace must be referenced during use. The following describes the main attributes and methods of a program instance. (1) file opening method: file. open ()The statement of this method is as follows:Public static filestream open (string path, filemode Mode)The following code opens the file named n

In this paper, a method is given. The basic idea is to write a wrapper file, encapsulate the C + + class, and only provide the C language interface, and C++I related are implemented in the wrapper implementation file.1. apple.h[CPP]View Plaincopyprint? #ifndef __apple_h__ #define __apple_h__

// Overwrite with the same name principle. cpp: Master project file. # Running result: # Now we can see the access mechanism when there is a member of the same name in Multi-inheritance. // Constructor of the virtual base class and its derived class. cpp: Main project file. # Analysis: Int main (array {D TMP (10, 20, 30, 40 );TMP. fun_d ();TMP. Fun ();TMP. B: Fun ();TMP.

C + + Primer Learning Notes _15_ class and Data Abstraction (1) _ Class definition and declarationIn C + +, classes are used to define their own abstract data types. By defining types to correspond to the various concepts in the problem to be solved, we can make it easier to write, debug, and modify programs. You can m

C ++ Primer study note _ 22 _ class and data abstraction (8) -- static member variable, static member function, class/object size, _ 22 -- static I. static Each static data member is an object associated with the class and is not associated with the object of this class! Non