what static variable

1.static keywordsThis keyword is also mentioned earlier, and its role is powerful.To gain insight into the static keyword, you first need to master the composition of the standard C program.The standard C program has been composed of the following

Key concepts: Abstract classes, abstract methods, static classes, static internal classes, static methods, static variables, constants, global constants. I. The use of abstract, modifier, you can modify class and Method 1, abstract modifier class,

3rd Chapter Java Language BasicsI. Identifiers and Keywords1. Identifiers in Java are used to identify class names, variable names, method names, array names, and file names.2. The naming rule for identifiers: consists of letters, numbers,

In Java, we often use singleton patterns, which are more commonly used in iOS development, and have recently been considered using singleton mode in iOS development.In the Objective-c, It is necessary to define a static variable in the. m file to

This article mainly introduces the difference between static class and static variable usage in PHP, analyzes the definition, function and use skill of static class and static variable in PHP in detail, and needs friends to refer to This paper

Static can modify member variables, methods, free blocks, inner classes. Static-Decorated member variables: the static-decorated member variable is also called a class or global variable, and the static-decorated member variable is initialized when

Static represents the meaning of "global" or "static", which modifies member variables and member methods, and can also form statically static blocks of code, but there is no concept of global variables in the Java language. member variables and

/** * Richter Replacement principle: * Can use the parent class place, must be able to use the subclass * What is polymorphic: * Reference to the parent class, the object that points to the subclass * Polymorphism of the prerequisites: * There are

http://www.cnblogs.com/wolf-lifeng/p/3156936.html2.3 Global Scope 2.3.1 OverviewThe global scope is the largest namespace scope, unlike the user-defined namespace scope, where the global scope does not need to be defined, and it naturally exists in

Reprint Please specify source: http://blog.csdn.net/xyang81/article/details/42836783In the previous chapter we learned how to access static and instance methods in any Java class in the local code, and in this chapter we will learn about instance

In one of the previous blogs I wrote about the sequence of initialization of programs in a class, but in Java object-oriented, there are still inheritance relationships between classes. So about the initialization order of the program, we can be

static denotes "global" or "static" meaning, used to decorate member variables and member methods, or to form static-code blocks, but the concept of global variables is not available in the Java language. The member variables and member methods

static code blocks are executed only once, when the Java Virtual machine loads the class, and if the class contains more than one static block, then executes from top to down One: Static variables What is a static variable A state variable is a

Beginner Java, in the face of this static modifier, Leng two days of time, still pondering today, now will realize the things recorded:1, the static modifier, the content (variables, methods, blocks of code that have been temporarily learned about

Java beginners (II) -- Java BASICS (I) and java beginners In this article, we start to learn about Java. First, we need to understand the basic structure of Java programs before learning how to write Java.I. Basic Structure of Java program The basic

static denotes "global" or "static" meaning, used to decorate member variables and member methods, or to form static-code blocks, but the concept of global variables is not available in the Java language. The member variables and member methods

For static variables, static initialization blocks, variables, initialization blocks, constructors, their initialization order is (static variable, static initialization block) > (variable, initialization block) > constructor. We can verify this by

static denotes "global" or "static" meaning, used to decorate member variables and member methods, or to form static-code blocks, but the concept of global variables is not available in the Java language. The member variables and member methods that

In the previous delegate (Delegate) type, I used the static keyword when I defined the public method, resulting in the inability to access this method in the form of an object. Method name, which we will learn to specify static variables. Variable:

Local VariablesIt can be divided into dynamic storage type and static storage type from storage mode. Local variables in a function, such as not specifically declared as static storage classes, are dynamically allocated storage space by default. The