The first half of this introduction to Java inheritance teaches you how to use the extends keyword to derive a child class from a parent class, invoke parent class constructors and methods ...

In Java, we use the reserved word super ... This is another way to cast the object You’ve learned some important concepts of inheritance, so now it’s time to try out an inheritance challenge.

Java's open inheritance model can feel like an open invitation to unintended extensions. The problem becomes especially poignant when a switch statement or a nesting of if statements assumes that a ...