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Compare inheritance and composition, the two fundamental ways to relate Java classes, then practice debugging ClassCastExceptions in Java inheritance.

Investigates the separation between types and classes by putting to use a special feature of Java regarding classes, interfaces and inheritance. We propose an original method which, from a single ...

In Java, a class cannot directly access the grandparent’s members. Hierarchical Inheritance: In Hierarchical Inheritance, one class serves as a superclass (base class) for more than one subclass. In ...

I’m currently reading Ken Pugh’s Interface Oriented Design (more on that after I finish the book), and it got me thinking of a way to change the design to use interfaces instead of inheritance. I ...

Java’s interface language feature confuses many Java newbies. Many mistakenly assume that interfaces only sidestep Java’s failure to support multiple implementation inheritance. In reality ...