Learn the basic concepts and differences between static and non-static variables in Java, and how to use them correctly in your code.

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, ...

// The static method can not use non static data member or call non-static method directly. // this and super cannot be used in static context.