English: A UML class diagram featuring two abstract classes; Room and MazeGame, as well as four concrete classes; MagicRoom and OrdinaryRoom which inherits from Room, and MagicMazeGame and OrdinaryMazeGame which inherits from the abstract class MazeGame. The MazeGame abstract class declares an abstract method named MakeRoom which is implemented by the MagicMazeGame and OrdinaryMazeGame classes.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse