Why is multiple inheritance so abhorred? MI can be a powerful feature when executed correctly, but it's hard to master.

I recently read an article entitled "Why is multiple inheritance so abhorred" in which code was reproduced without using code tags.

Java’s single inheritance limitation is usually not a problem in the normal course of development. In fact, the need to use multiple inheritance could be a sign of a bad design. There are times ...

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