Java doesn’t support multiple inheritance through class extension, however. When viewing an inheritance hierarchy, you can easily detect multiple inheritance by the presence of a diamond pattern.

Compare inheritance and composition, the two fundamental ways to relate Java classes, then practice debugging ClassCastExceptions in Java inheritance.

Must be Java, where private does not mean private. Simply put, if you can bypass the mechanism, then the mechanism has failed. Each class should be the expert on handling all communication needed ...