Notes on our project

References

Java overloads the period symbol in references to methods, statics, and fields. Given w.x.y.z we can't tell whether this is some static field z in a class w.x.y, or perhaps y is a static field in class w.x and z is a field of the instance Y

To simplify matters, I've changeed notation for fields and methods as follows

The period symbol is used only within a class reference. Thus, w.x.y.z is class z in package w.x.y.
To reference a static field or method of a class, use two colons (::), so that java.lang.System::out is the System.out output stream. To reference a field of an instance, use ->. Thus, (obj)->a references field a using the reference obj
Methods work the same way. To call a static method, use: java.lang.Math::abs(num).
All references and methods also include the return type of the result, which appears after a single colon. Thus, the reference above for System.out is really java.lang.System::out : java.io.PrintStream and to print something using println (java.lang.System::out : java.io.PrintStream) -> println : void ("hello") and the absolute value method would be java.lang.Math :: abs : int (num)