class-variables

What does @@variable mean in Ruby?

A variable prefixed with @ is an instance variable, while one prefixed with @@ is a class variable. Check out the following example; its output is in the comments at the end of the puts lines: You can see that @@shared is shared between the classes; setting the value in an instance of one changes the value for all other instances of that class and … Read more

Are static class variables possible in Python?

Variables declared inside the class definition, but not inside a method are class or static variables: As @millerdev points out, this creates a class-level i variable, but this is distinct from any instance-level i variable, so you could have This is different from C++ and Java, but not so different from C#, where a static member can’t be accessed using … Read more