Class variables are also known as static variables , and they are declared outside a method, with the help of the keyword ‘static’. Static variable is the one that is common to all the instances of the class. A single copy of the variable is shared among all objects.
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Static Member Variables In A Class As static variables are initialized only once and are shared by all objects of a class, the static variables are never initialized by a constructor. Instead, the static variable should be explicitly initialized outside the class only once using the scope resolution operator (::) .
Read moreHow do you declare a static variable in a class?
Static Member Variables In A Class As static variables are initialized only once and are shared by all objects of a class, the static variables are never initialized by a constructor. Instead, the static variable should be explicitly initialized outside the class only once using the scope resolution operator (::) .
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Rules for Static Class A static class can contain static variables, static methods , static properties, static operators, static events, and static constructors. A static class cannot contain instance members and constructors.
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A static method, by definition, is called on a class and not on an instance of that class.
Read moreCan class object call static method?
A static method, by definition, is called on a class and not on an instance of that class.
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Declaring Static Variable It is declared by using the static keyword followed by the variable name . The syntax is given below. Syntax: static [data_type] [variable_name];
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