protocol.md

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default	Queen's Protocol	2

Queen's Protocol

In the effort of implementing real object-oriented applications, the Queen programming language comes with a strict set of rules.

1. Any public instance methods should be declared in an interface.
2. A class is either abstract or final, no in-between.
3. Immutable-first: all instance fields and method parameters are final by default.
4. Fields of a class cannot be public (except static constants).
5. No static void methods (with the exception of the main method).
6. The keywords class and implements become implementation and of respectively.
7. The keyword mutable is introduced (as antonym to final).
8. No Enums allowed. Enums are actually good in very few cases, yet they encourage shallow and meaningless abstractions.