Polymorphism—or an object’s ability to execute specialized actions based on its type—is what makes Java code flexible.Many design patterns created by the Gang Of Four rely on some form of ...

Imagine you are an expert object-oriented Java developer who meticulously crafts code the way an artist cares for their masterpiece. You believe clean code is an absolute necessity. Classes with clear ...

The first half of this tutorial introduced the basics of inheritance in Java. You learned how to use Java’s extends and super keywords to derive a child class from a parent class, invoke parent ...