Single inheritance and multiple inheritance The example in Figure 1 illustrates single inheritance in which a child category inherits state and behaviors from one immediate parent category. In ...

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.

However, there's one frustrating limitation: You cannot prevent other developers from extending certain classes. A method might accept a specific type and its subclasses, but you want to restrict ...