Learn the basic concepts and differences between static and non-static variables in Java, ... String name; declares a non-static variable named name of type String and does not assign it any value.

Non-static variables, or instance variables, are unique to each instance of a class. When a new object is created, these variables get their own memory space. They are separate for each object, ...

You can also declare non-static member classes, which are nested non-static classes that you declare at the same level as instance fields, methods, and constructors. Consider this example: ...