Jeff Friesen. Figure 1. A pair of inheritance hierarchies are rooted in the common vehicle category. Single inheritance and multiple inheritance. The example in Figure 1 illustrates single ...

Rather than expressing class inheritance with a very distinct syntax, would it make sense to use a syntax of anonymous member objects (similar to anonymous unions)? The advantages of such over a ...

Java’s single inheritance limitation is usually not a problem in the normal course of development. In fact, the need to use multiple inheritance could be a sign of a bad design.

Inheritance is a powerful construct. But there are very few Java syntax checkpoints that limit the potential for inheritance-based, object-oriented corruption. The sealed Java class helps reign in the ...

Sealed classes make Java an even more powerful and expressive language and set the stage for even more sophisticated techniques such as pattern matching, which we'll explore in a subsequent article. A ...