Suppose I have a parent class and I want to be able to get a list of all its subclasses. As far as I know there is no inherent way to do this (is there?), but what I can do is have the subclasses ...

Contains common behaviors for all airplanes: takeOff() → shows airplane is taking off. fly() → generic flying behavior. land() → airplane lands. This is the parent class (or superclass) that defines ...

The main class used in Java problems is Throwable. This class provide functions that we can use in our errors exceptions. As subclasses of Throwable, Java provide the ...