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 ...

Unlike some languages, such as C++, Java does not allow multiple inheritance with classes. You can use multiple inheritance with interfaces, however. The difference between a class and an ...

Java's open inheritance model can feel like an open invitation to unintended ... The key concept with sealed classes is that they are declared using the sealed keyword, followed by the permits clause ...