👉 The term "squarishly" is a technical term in computer science that refers to an object of a class that represents both a reference to another class and a reference to itself. This can be particularly useful for implementing circular references, where one object references another object multiple times. In the context of programming languages like Java or C++, when you define a class with a private field that is used in a method, it means that this field must be accessed using an instance variable (i.e.,