Learn the differences between these Java language elements and how to use them in your programs. Abstract classes and interfaces ... multiple inheritance (extending more than one class) can cause ...

Because loosely coupled code offers more ... such as C++, Java does not allow multiple inheritance with classes. You can use multiple inheritance with interfaces, however. The difference between ...

Consider the following simplified example: public sealed interface Expr permits ... while making code more readable and easier to maintain. Here's how it works. Use sealed classes in Java to control ...