Question

what is mean by local variable and global variable?

Answer 1

Global variables are declared outside any function, and they can be accessed (or used) on any function in the program. Local variables are declared inside a function, and can be used only inside that function. It is possible to have local variables with the same name in different functions.

Answer 2

Global variable

A variable which is declared inside a class but outside any method is called global variable.

Local variable

A variable which is declared inside a method is called local variable.

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