Original blog, reprint please indicate the source--Zhou Xuewei http://www.cnblogs.com/zxouxuewei/Static is used in two ways: static in process-oriented programming and static in object-oriented programming. The former applies to ordinary variables
the difference between static variable and ordinary variable
The description of the global variable (external variable) before being labeled static constitutes a static global variable. The global variable itself is the static storage mode, static
1, can local variables and global variable duplicate?
A: Yes, the local will screen the overall situation. To use a global variable, you need to use the "::"
Local variables can have the same name as global variables, and when referenced within a
First, the syntax definition difference: the static keyword must be added before the static variable, but not before the instance variable.Differences during program running: instance variables belong to the attributes of an object. You must create
Using the static modifier to declare static members that belong to the type itself, rather than to a particular object, can be used for classes, fields, methods, properties, operators, events, and constructors, but not for indexers, destructors, or
Instance variable:
An instance variable is declared in a class, but outside of the method, a constructor or any block.
When space is allocated to an object in the heap, the slots create values for each instance variable.
When an object is
The difference between static class and static variable usage in PHP, PHP variable
This paper analyzes the difference between static class and static variable usage in PHP. Share to everyone for your reference. The specific analysis is as
Static Keywords of C ++
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
The common methods and member variables here refer to non-static methods and non-static member variablesFirst, Static is the meaning, is a modifier, can be used to modify variables or methods.Static member variables have global variables that do not
PHP static member variables and non-static member variables, php static. PHP static member variables and non-static member variables. php static data members can be divided into static variables and non-static variables. static Member: the static
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