Use Java's extends keyword to derive a child class from a parent class, invoke parent class constructors and methods, override methods, and more.

However, an ideal solution would be to restrict the inheritance to a few specific classes. That's exactly where the sealed class comes into the picture. What is a sealed class? Sealed classes, ...

Andrew Oliver decries the alphabet soup of the Lambda project, saying too many ingeredients are making it a stew. Also, what about his idea of dropping inheritance from Java 8? Share your thoughts ...