Many mistakenly assume that interfaces only sidestep Java’s failure to support multiple implementation inheritance. In reality, that workaround is only a side-effect of interface usage ...

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 ... clause to explicitly name the classes that can extend or implement the sealed class or interface. Consider the following ...

In other words, a Java class that supports the SOLID open-closed principle will find use in originally un-envisioned scenarios, and be flexible enough to work with newly created classes, interfaces ...