In general, a static variable is used in any situation in which all instances share a common data value.

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Quizplus · Accepted Answer

A static variable is declared with the keyword "static" and is initialized only once at the start of the program's execution. All instances of the class share the same copy of the static variable, which means that any modification to the static variable's value by one instance will be reflected in all the other instances. This makes static variables useful in situations where you want to maintain a common value across all instances of a class.

In General, a Static Variable Is Used in Any Situation