static display definition

Ask questions:If you have such a template:class test{public: static std::string info;};What is right (by compiling) for several of the following definitions?Template <>stringtestint>::info ("123"); templatestringTest::info ("123");

Static {} (static block) is executed only once when the class is loaded. It is generally used to initialize static variables and call static methods, next we will discuss in detail the features and applications of this statement block.1. During a

Static is a common keyword in C + + that is used to control how variables are stored and visible.In a class definition, its members, including data members and member functions, can be declared as static members with the keyword static. The

create another class in one class, called the member inner class. This member inner class can be static (with the static keyword decorated), or it can be non-static. Since static internal classes are defined and used, there are various

Package static_neibulei_yu_fei_static;Public class Static_neibulei_Test {Private static int eye = 2;Private String name;Static_neibulei_Test (){}Static_neibulei_Test (String name ){This. name = name;}Class Nei {Private int numNei = 0;// Private

1. Static method:Member variables are divided into instance variables and static variables . Where an instance variable belongs to a specific instance, it must be instantiated before the class is actually present, and different objects have

Class Definition details in C ++ Member variables Each class can have no members or multiple members. The members can be data, functions, or type aliases. A class can contain several public, private, and protected parts. Members defined in the

C ++ File include rule constant definition To sum up, C ++'s function declaration, variable declaration, and class definition are written in the header file, while function implementation, variable definition, and class method implementation are

1. Order of Execution1.1. The order of initialization in a class(static variable, static initialization block) = = (variable, initialization block, constructor).1.2, two initialization order with inheritance relationship classesThe parent class

Q: What is LCD?The original text of the LCD display is liquid crystal display, which consists of the first letter of each word. The Chinese name is "LCD flat display" or "LCD display 」. The working principle is to use the physical characteristics of