what static data member

static explanation in C/http://blog.csdn.net/lwbeyond/article/details/6184035I. Storage of the program.Historically, the C program has been composed of the following parts:1. Body SegmentThe part of the machine instruction that the CPU executes.

Static local variables have the following features:1. The variable is stored in the static storage area and will not be destroyed until the running of the program ends. But its scope is local scope. When the function or statement block defining it

Remember: normally static data members are declared in the class declaration and initialized in the file containing the class method. Use the scope operator to indicate the class to which the static member belongs when initializing. However, if the

1, static data memberIn C + +, static data members of a class are identified by the static e.g: Class MyClass{Privatestatic int Num;Double A;Long B;......　　}When NUM is declared static, static data members have some features: no matter how many

One: Memory allocation method 5 kinds stack :is the store of variables that are allocated by the compiler when needed and automatically purged when not needed. The variables inside are usually local variables, function parameters, and so on. In a

The static function of C ++ has two usage methods: static in process-oriented programming and static in object-oriented programming. The former applies to common variables and functions, and does not involve classes. The latter mainly describes the

Introduction to static summary staticStatic is a very common modifier in C + +, which is used to control how variables are stored and visible.A variable defined inside a function, when the program executes to its definition, the compiler allocates

The static members of classes in C + + (C + + training) are really a love-hate feature. I decided to summarize the knowledge points of static class members so that I would not be passive on such issues in future interviews.Static class members

When a data member of a class is declared static, the static data member can only be defined once, and is shared by all objects of the same kind. Each object has a copy of every regular data member in the class, but only one instance of the static

The static members in the class are really a fascinating feature. During the interview, I was caught by the examiner for a while, and I was beaten. So after I came back, I decided to sum up the knowledge points of the static class members so that I

  I was asked the following question when I met Google. Static class members include static data members and static function members. A static data member: When the static keyword is added before the declaration of the data member in the class body,

One. Static data membersThe declaration of a data member in the class body is preceded by the static keyword, which becomes a data member of that class. As with other data members, static data members also adhere to public/protected/private access

This article fully introduces C ++ classes? C ++ is an extension of C language. That is to say, a C language program can also be considered as a C ++ program. For C ++ classes, static members can share data between multiple objects. Static Data

C ++ static members are proposed to solve the problem of data sharing. There are many ways to achieve sharing, such as setting global variables or objects. However, global variables or objects have limitations. In this chapter, we mainly introduce

The static members in the class are really a fascinating feature. I decided to summarize the knowledge points of static class members so that I would not be passive in future interviews.Static class members include static data members and static

First, static global variablesBefore you understand the static keyword, first review the in-memory allocations for C + + programs. from low address to high address is divided into: Code area, global data area, heap area, stack area. global variables

A function that is described in the class body is called a member function as a member of a class. A general member function, which is defined according to the needs of a certain kind of function. In addition, some special member functions are

Transfer from: Staticvariable in C and C + + static data member (static member) C language static variables: " Span style= "color: #000000; Font-size:medium; " > 1). Static local variable          A, A static local variable is defined

C + + class static members and class static member functionsWhen a data member of a class is declared static, the static data member can only be defined once, and is shared by all objects of the same kind. Each object has a copy of every regular

A static member cannot be assigned in the class body because it is shared by all objects of that class. You assign a value to it in an object, and that member of the other object will also change. To avoid confusion, it is not necessary to assign a