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function of static relay
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∙ 11y ago
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What is the difference between static function and global static function?
'global static'?! There is no such thing.
Can static member function be overloaded?
Yes. Any function can be overloaded. However you cannot override a static member function. Only instance members can be overridden.
Do static variable retain their values even after exiting the function?
Yes. That is the definition of static.
Why static variables in a function have global extent?
A variable declared static outside of a function has a scope the of the source file only. It is not a global variable. A variable declared outside of a function and without the static qualifier would be a global variable.
Which is the keyword used to limit the scope of a function to the file in which it resides?
Declare the function static.
What is function of static relay?
function of static relay
What is Electromechanical relay?
Static relay
What is the difference between static function and global static function?
'global static'?! There is no such thing.
What is the Use of static function?
A static function is a member function that is not associated with any instance of the class; it has no this pointer.
How do you create static variables in PHP?
Use the "static" keyword to declare a static variable within a function like shown below. <?php function fun() { static $variable; static $another_variable = ''; } ?>
Scope of static variables?
Scope of static variable is with in the file if it is static global. Scope of static variable is with in the function if variable is declared local to a function. But the life time is throughout the program
When Static function can work with static data member only?
Always.
Can static member function be overloaded?
Yes. Any function can be overloaded. However you cannot override a static member function. Only instance members can be overridden.
Do static variable retain their values even after exiting the function?
Yes. That is the definition of static.
Why static variables in a function have global extent?
A variable declared static outside of a function has a scope the of the source file only. It is not a global variable. A variable declared outside of a function and without the static qualifier would be a global variable.
What is the pupouse of static function?
A static function, not part of a class, is visible only to other code within the same compilation unit, i.e. the same source file. A static function, part of a class, can only operate on static class data, which is per class data as opposed to per instance data.
Which is the keyword used to limit the scope of a function to the file in which it resides?
Declare the function static.
