difference between static data member and static member function
A normal function is any function that is not a member of any class. Normal functions that operate upon a class are referred to as non-member functions, however a non-member function can also be a member of another class. Any class may declare any non-member function to be a friend of the class, in which case the function becomes a friend function.A member function is a member of a class and may be declared static or non-static. Non-static member functions have the following 3 properties:Private access to the class members.Scoped to the class.Must be invoked against an object of the class (has a 'this' pointer).Static member functions have the first two properties only while friend functions have the first property only. Non-member functions that are not friends of the class have none of these properties.
There is no difference between public static void and static public void
Static member functions, member function templates and constructors cannot be virtual.
To scope class members to the class (rather than to instances of the class), declare them as static members of the class. Static members are accessible even when no instances of the class exist. As such, static member functions do not have access to a 'this' pointer, unlike ordinary (nonstatic) member functions.
Static data is data that does not change from program load to program exit. Static data member do not apply for c. In c++, a static data member is one that is common for all instances of that class.
A normal function is any function that is not a member of any class. Normal functions that operate upon a class are referred to as non-member functions, however a non-member function can also be a member of another class. Any class may declare any non-member function to be a friend of the class, in which case the function becomes a friend function.A member function is a member of a class and may be declared static or non-static. Non-static member functions have the following 3 properties:Private access to the class members.Scoped to the class.Must be invoked against an object of the class (has a 'this' pointer).Static member functions have the first two properties only while friend functions have the first property only. Non-member functions that are not friends of the class have none of these properties.
There is no difference between public static void and static public void
Static member functions, member function templates and constructors cannot be virtual.
Static functions are tied to a class, not to a particular object. A static function can only access static variables because it has no knowledge of member variables.
To scope class members to the class (rather than to instances of the class), declare them as static members of the class. Static members are accessible even when no instances of the class exist. As such, static member functions do not have access to a 'this' pointer, unlike ordinary (nonstatic) member functions.
Static data is data that does not change from program load to program exit. Static data member do not apply for c. In c++, a static data member is one that is common for all instances of that class.
difference between constant and static variables in java
With respect to a given class, all functions can be split into four categories: 1. Member functions. 2. Static member functions. 3. Friend functions. 4. Non-member functions. All class member functions have the following three properties with respect to the class in which they are declared a member: 1. Private access to the class representation. 2. Scoped to the class. 3. Invoked through an instance of the class (has a 'this' pointer). Static member functions have the first two properties only. Friend functions have the first property only. Non-member functions have none of these properties.
'global static'?! There is no such thing.
Version: static reference to a specific entity of a specific instance. Function: dynamic reference to existing algorithm to perform or execute.
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Static stays the same and dynamic is always different.